--- title: "Changes to Create an assistant" method: POST path: "/ai/assistants" --- # Changes to Create an assistant `POST /ai/assistants` > Every recorded change to this operation, newest first. > 501 revisions in range; 1 not diffed. ## Timeline Changed in 66 of 501 revisions. - **2026-11-03** `95cf730459ef`: 4 info - **2026-11-02** `e66cf62f8967`: 2 breaking, 4 warning, 10 info - **2026-10-29** `59e4b863d7cd`: 24 breaking, 24 info - **2026-10-29** `f9913510ce24`: 2 info - **2026-10-29** `05f63900fdb1`: 24 info - **2026-10-27** `88d383e3ad64`: 6 warning, 6 info - **2026-10-21** `d27fdd1cefb6`: 2 info - **2026-10-21** `279d149de88f`: 4 warning, 16 info - **2026-10-19** `042186142b82`: 2 info - **2026-10-16** `1a3ac015020a`: 1 warning, 1 info - **2026-10-16** `6dc3afd40778`: 4 info - **2026-10-16** `cb788f179f7a`: 4 info - **2026-10-15** `e33b4a326dda`: 5 breaking, 1 warning, 2 info - **2026-10-15** `da303e40b51e`: 3 breaking, 4 warning, 43 info - **2026-09-28** `20b4163bd538`: 4 info - **2026-09-28** `da597059c87c`: 2 info - **2026-09-25** `88a6ea092777`: 4 warning, 4 info - **2026-09-24** `9a704d487035`: 12 info - **2026-09-22** `9621f6123ebc`: 2 warning - **2026-09-21** `1581f4d44566`: 2 warning, 2 info - **2026-09-21** `d18924181c6e`: 2 info - **2026-09-17** `4596ec306e59`: 2 warning, 2 info - **2026-09-17** `c44ea87f727b`: 4 breaking, 40 info - **2026-09-16** `88030e1b5f1b`: 2 info - **2026-09-16** `a6a61a29ecdd`: 1 breaking, 6 warning, 55 info - **2026-08-17** `1571b0380bd7`: 2 info - **2026-08-04** `ca70e22d0d63`: 3 breaking, 1 info - **2026-07-30** `924fbdb1e5a1`: 2 warning, 2 info - **2026-07-22** `ce9e90fc16f3`: 2 warning, 2 info - **2026-07-16** `020dcdb3d9da`: 3 breaking, 1 info - **2026-07-13** `afc3349ad4f1`: 2 breaking, 2 warning, 4 info - **2026-07-07** `2c2d1971907f`: 3 breaking, 1 info - **2026-07-03** `80dbfc37f51e`: 2 warning, 2 info - **2026-07-02** `224ed0d8a5c3`: 3 breaking, 5 info - **2026-06-05** `9d4dc75f2a3f`: 2 breaking, 6 info - **2026-06-04** `7216337d9db5`: 4 info - **2026-06-03** `96e848b3ec27`: 2 info - **2026-05-26** `80c2ba0df707`: 2 info - **2026-05-22** `d6add3dbf755`: 1 warning, 13 info - **2026-05-08** `1e19f40b7351`: 3 breaking, 1 warning, 12 info - **2026-04-29** `b8d5cf41556f`: 15 info - **2026-04-29** `45ad68578201`: 6 warning, 26 info - **2026-04-16** `4e371a6192d2`: 1 breaking, 1 info - **2026-04-08** `b8f205403681`: 2 breaking, 1 warning, 12 info - **2026-03-16** `afa337492fd2`: 2 breaking, 1 warning, 1 info - **2026-03-13** `e7e6d0c4c7a1`: 2 info - **2026-03-13** `15f303216d18`: 2 breaking, 1 warning, 1 info - **2026-03-03** `5f79821a0c5b`: 1 breaking, 1 info - **2026-02-20** `e7ccacab0b26`: 1 breaking, 5 info - **2026-02-04** `a3a64a14ed68`: 3 breaking, 7 warning, 40 info - **2026-02-03** `6a9394d3d3bb`: 8 breaking, 30 warning, 9 info - **2026-01-28** `f6552562a30c`: 2 breaking, 1 warning, 9 info - **2026-01-13** `7cc874d9c532`: 2 info - **2026-01-13** `3734a0e713b7`: 1 breaking, 19 info - **2025-11-06** `64676b6cf12e`: 1 breaking, 8 warning, 6 info - **2025-11-04** `8db42671bed8`: 6 info - **2025-11-04** `e1d4f6e14600`: 1 warning - **2025-09-26** `1c30b9f0f7b6`: 4 info - **2025-08-05** `f618a1006b1a`: 2 info - **2025-07-08** `1059b083160b`: 2 info - **2025-06-12** `c2036b3f2a0b`: 2 breaking, 1 warning, 6 info - **2025-06-04** `5d997afa352c`: 1 info - **2025-05-30** `327879eacdce`: 1 breaking, 1 info - **2025-05-13** `513864624275`: 2 info - **2025-04-30** `65b6555d5292`: 2 info - **2025-04-21** `265be71025a4`: 1 breaking, 1 info ## Changes - **2026-11-03** `95cf730459ef`: 4 info - added the new optional request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/voice_settings/language` - added the new optional request property `voice_settings/language` - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/voice_settings/language` to the response with the `200` status - added the optional property `voice_settings/language` to the response with the `200` status - **2026-11-02** `e66cf62f8967`: 2 breaking, 4 warning, 10 info - the `interruption_settings/start_speaking_plan` request property type changed from `object` to no type - the `interruption_settings/start_speaking_plan` response's property type changed from `object` to no type for status `200` - removed the request property `interruption_settings/start_speaking_plan/transcription_endpointing_plan` - removed the request property `interruption_settings/start_speaking_plan/wait_seconds` - removed the optional property `interruption_settings/start_speaking_plan/transcription_endpointing_plan` from the response with the `200` status - removed the optional property `interruption_settings/start_speaking_plan/wait_seconds` from the response with the `200` status - added the new optional request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/external_llm/extra_headers` - added the new optional request property `delegation_settings/external_llm/allOf[subschema #1: ExternalLLM]/extra_headers` - added the new optional request property `external_llm/extra_headers` - added the new optional request property `fallback_config/external_llm/extra_headers` - added `#/components/schemas/StartSpeakingPlan, subschema #2` to the `interruption_settings/start_speaking_plan` request property `anyOf` list - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/external_llm/extra_headers` to the response with the `200` status - added the optional property `delegation_settings/external_llm/allOf[subschema #1: ExternalLLM]/extra_headers` to the response with the `200` status - added the optional property `external_llm/extra_headers` to the response with the `200` status - added the optional property `fallback_config/external_llm/extra_headers` to the response with the `200` status - added `#/components/schemas/StartSpeakingPlan, subschema #2` to the `interruption_settings/start_speaking_plan` response property `anyOf` list for the response status `200` - **2026-10-29** `59e4b863d7cd`: 24 breaking, 24 info - removed `subschema #2` from the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-account-number` request property `oneOf` list - removed `subschema #2` from the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-routing-number` request property `oneOf` list - removed `subschema #2` from the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/expiration-date` request property `oneOf` list - removed `subschema #2` from the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/payment-card-number` request property `oneOf` list - removed `subschema #2` from the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/postal-code` request property `oneOf` list - removed `subschema #2` from the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/security-code` request property `oneOf` list - added `subschema #2: Pay Tool Prompt List` to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-account-number` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-routing-number` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts/expiration-date` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts/payment-card-number` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts/postal-code` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts/security-code` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-account-number` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-routing-number` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/prompts/expiration-date` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/prompts/payment-card-number` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/prompts/postal-code` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/prompts/security-code` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-account-number` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-routing-number` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/expiration-date` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/payment-card-number` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/postal-code` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/security-code` response property `oneOf` list for the response status `200` - added `subschema #2: Pay Tool Prompt List` to the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-account-number` request property `oneOf` list - added `subschema #2: Pay Tool Prompt List` to the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-routing-number` request property `oneOf` list - added `subschema #2: Pay Tool Prompt List` to the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/expiration-date` request property `oneOf` list - added `subschema #2: Pay Tool Prompt List` to the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/payment-card-number` request property `oneOf` list - added `subschema #2: Pay Tool Prompt List` to the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/postal-code` request property `oneOf` list - added `subschema #2: Pay Tool Prompt List` to the `tools/items/oneOf[subschema #14: PayTool]/pay/prompts/security-code` request property `oneOf` list - removed `subschema #2` from the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-account-number` response property `oneOf` list for the response status `200` - removed `subschema #2` from the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-routing-number` response property `oneOf` list for the response status `200` - removed `subschema #2` from the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts/expiration-date` response property `oneOf` list for the response status `200` - removed `subschema #2` from the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts/payment-card-number` response property `oneOf` list for the response status `200` - removed `subschema #2` from the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts/postal-code` response property `oneOf` list for the response status `200` - removed `subschema #2` from the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts/security-code` response property `oneOf` list for the response status `200` - removed `subschema #2` from the `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-account-number` response property `oneOf` list for the response status `200` - removed `subschema #2` from the `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/prompts/bank-routing-number` response property `oneOf` list for the response status `200` - removed `subschema #2` from the `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/prompts/expiration-date` response property `oneOf` list for the response status `200` - removed `subschema #2` from the `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/prompts/payment-card-number` response property `oneOf` list for the response status `200` - …8 more - **2026-10-29** `f9913510ce24`: 2 info - added the new optional request property `telephony_settings/greeting_delay_ms` - added the optional property `telephony_settings/greeting_delay_ms` to the response with the `200` status - **2026-10-29** `05f63900fdb1`: 24 info - added the new optional request property `tools/items/oneOf[subschema #14: PayTool]/pay/inter_digit_timeout_millis` - added the new optional request property `tools/items/oneOf[subschema #14: PayTool]/pay/max_attempts` - added the new optional request property `tools/items/oneOf[subschema #14: PayTool]/pay/min_postal_code_length` - added the new optional request property `tools/items/oneOf[subschema #14: PayTool]/pay/postal_code` - added the new optional request property `tools/items/oneOf[subschema #14: PayTool]/pay/prompts` - added the new optional request property `tools/items/oneOf[subschema #14: PayTool]/pay/timeout_millis` - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/inter_digit_timeout_millis` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/max_attempts` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/min_postal_code_length` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/postal_code` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/prompts` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #14: PayTool]/pay/timeout_millis` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/inter_digit_timeout_millis` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/max_attempts` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/min_postal_code_length` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/postal_code` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/prompts` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #14: PayTool]/pay/timeout_millis` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #14: PayTool]/pay/inter_digit_timeout_millis` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #14: PayTool]/pay/max_attempts` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #14: PayTool]/pay/min_postal_code_length` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #14: PayTool]/pay/postal_code` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #14: PayTool]/pay/prompts` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #14: PayTool]/pay/timeout_millis` to the response with the `200` status - **2026-10-27** `88d383e3ad64`: 6 warning, 6 info - added the new `assemblyai/universal-3-6-pro` enum value to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/challenger/anyOf[subschema #1: TranscriptionChallenger]/model` response property for the response status `200` - added the new `assemblyai/universal-3-6-pro` enum value to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/fallback_models/items/model` response property for the response status `200` - added the new `assemblyai/universal-3-6-pro` enum value to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/model` response property for the response status `200` - added the new `assemblyai/universal-3-6-pro` enum value to the `transcription/challenger/anyOf[subschema #1: TranscriptionChallenger]/model` response property for the response status `200` - added the new `assemblyai/universal-3-6-pro` enum value to the `transcription/fallback_models/items/model` response property for the response status `200` - added the new `assemblyai/universal-3-6-pro` enum value to the `transcription/model` response property for the response status `200` - added the new `assemblyai/universal-3-6-pro` enum value to the request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/challenger/anyOf[subschema #1: TranscriptionChallenger]/model` - added the new `assemblyai/universal-3-6-pro` enum value to the request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/fallback_models/items/model` - added the new `assemblyai/universal-3-6-pro` enum value to the request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/model` - added the new `assemblyai/universal-3-6-pro` enum value to the request property `transcription/challenger/anyOf[subschema #1: TranscriptionChallenger]/model` - added the new `assemblyai/universal-3-6-pro` enum value to the request property `transcription/fallback_models/items/model` - added the new `assemblyai/universal-3-6-pro` enum value to the request property `transcription/model` - **2026-10-21** `d27fdd1cefb6`: 2 info - added the new optional request property `insight_settings/model` - added the optional property `insight_settings/model` to the response with the `200` status - **2026-10-21** `279d149de88f`: 4 warning, 16 info - added the new `speechmatics/linden-1` enum value to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/model` response property for the response status `200` - added the new `speechmatics/linden-1` enum value to the `transcription/model` response property for the response status `200` - added the new `speechmatics/standard` enum value to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/model` response property for the response status `200` - added the new `speechmatics/standard` enum value to the `transcription/model` response property for the response status `200` - added the new optional request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/challenger/anyOf[subschema #1: TranscriptionChallenger]/settings/anyOf[subschema #1: TranscriptionSettingsConfig]/remove_disfluencies` - added the new optional request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/fallback_models/items/settings/anyOf[subschema #1: TranscriptionSettingsConfig]/remove_disfluencies` - added the new optional request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/settings/remove_disfluencies` - added the new optional request property `transcription/challenger/anyOf[subschema #1: TranscriptionChallenger]/settings/anyOf[subschema #1: TranscriptionSettingsConfig]/remove_disfluencies` - added the new optional request property `transcription/fallback_models/items/settings/anyOf[subschema #1: TranscriptionSettingsConfig]/remove_disfluencies` - added the new optional request property `transcription/settings/remove_disfluencies` - added the new `speechmatics/linden-1` enum value to the request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/model` - added the new `speechmatics/linden-1` enum value to the request property `transcription/model` - added the new `speechmatics/standard` enum value to the request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/model` - added the new `speechmatics/standard` enum value to the request property `transcription/model` - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/challenger/anyOf[subschema #1: TranscriptionChallenger]/settings/anyOf[subschema #1: TranscriptionSettingsConfig]/remove_disfluencies` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/fallback_models/items/settings/anyOf[subschema #1: TranscriptionSettingsConfig]/remove_disfluencies` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/settings/remove_disfluencies` to the response with the `200` status - added the optional property `transcription/challenger/anyOf[subschema #1: TranscriptionChallenger]/settings/anyOf[subschema #1: TranscriptionSettingsConfig]/remove_disfluencies` to the response with the `200` status - added the optional property `transcription/fallback_models/items/settings/anyOf[subschema #1: TranscriptionSettingsConfig]/remove_disfluencies` to the response with the `200` status - added the optional property `transcription/settings/remove_disfluencies` to the response with the `200` status - **2026-10-19** `042186142b82`: 2 info - added the new optional request property `privacy_settings/pii_redaction` - added the optional property `privacy_settings/pii_redaction` to the response with the `200` status - **2026-10-16** `1a3ac015020a`: 1 warning, 1 info - added the new `illustrated_workspace` enum value to the `avatar_settings/anyOf[subschema #1: AvatarSettings]/oneOf[subschema #1: TelnyxAvatarSettings]/background_id` response property for the response status `200` - added the new `illustrated_workspace` enum value to the request property `avatar_settings/anyOf[subschema #1: AvatarSettingsRequest]/oneOf[subschema #1: TelnyxAvatarSettings]/background_id` - **2026-10-16** `6dc3afd40778`: 4 info - added the new optional request property `tools/items/oneOf[subschema #7: TransferTool]/transfer/bridge_beep` - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #7: TransferTool]/transfer/bridge_beep` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #7: TransferTool]/transfer/bridge_beep` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #7: TransferTool]/transfer/bridge_beep` to the response with the `200` status - **2026-10-16** `cb788f179f7a`: 4 info - added the new optional request property `tools/items/oneOf[subschema #7: TransferTool]/transfer/warm_transfer_acceptance/timeout_secs` - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #7: TransferTool]/transfer/warm_transfer_acceptance/timeout_secs` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #7: TransferTool]/transfer/warm_transfer_acceptance/timeout_secs` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #7: TransferTool]/transfer/warm_transfer_acceptance/timeout_secs` to the response with the `200` status - **2026-10-15** `e33b4a326dda`: 5 breaking, 1 warning, 2 info - the `avatar_settings/anyOf[subschema #1: AvatarSettingsRequest]/oneOf[subschema #1: TelnyxAvatarSettings]/avatar_id` request property's minLength was increased from `0` to `1` - removed `subschema #1: Stock avatar ID, subschema #2: Custom avatar ID` from the `avatar_settings/anyOf[subschema #1: AvatarSettingsRequest]/oneOf[subschema #1: TelnyxAvatarSettings]/avatar_id` request property `oneOf` list - added the pattern `^[A-Za-z0-9][A-Za-z0-9._:-]{0,127}$` to the request property `avatar_settings/anyOf[subschema #1: AvatarSettingsRequest]/oneOf[subschema #1: TelnyxAvatarSettings]/avatar_id` - the `avatar_settings/anyOf[subschema #1: AvatarSettingsRequest]/oneOf[subschema #1: TelnyxAvatarSettings]/avatar_id` request property type changed from no type to `string` - the `avatar_settings/anyOf[subschema #1: AvatarSettings]/oneOf[subschema #1: TelnyxAvatarSettings]/avatar_id` response's property type changed from no type to `string` for status `200` - the `avatar_settings/anyOf[subschema #1: AvatarSettingsRequest]/oneOf[subschema #1: TelnyxAvatarSettings]/avatar_id` request property's maxLength was set to `128` - removed `subschema #1: Stock avatar ID, subschema #2: Custom avatar ID` from the `avatar_settings/anyOf[subschema #1: AvatarSettings]/oneOf[subschema #1: TelnyxAvatarSettings]/avatar_id` response property `oneOf` list for the response status `200` - the `avatar_settings/anyOf[subschema #1: AvatarSettings]/oneOf[subschema #1: TelnyxAvatarSettings]/avatar_id` response's property pattern `^[A-Za-z0-9][A-Za-z0-9._:-]{0,127}$` was added for the status `200` - **2026-10-15** `da303e40b51e`: 3 breaking, 4 warning, 43 info - added `#/components/schemas/VisionTool` to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/` response property `oneOf` list for the response status `200` - added `#/components/schemas/VisionTool` to the `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/` response property `oneOf` list for the response status `200` - added `#/components/schemas/VisionTool` to the `tools/items/` response property `oneOf` list for the response status `200` - the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/settings/keyterm` request property's maxLength was set to `1000` - the `transcription/settings/keyterm` request property's maxLength was set to `1000` - added the new `telnyx/basira` enum value to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/model` response property for the response status `200` - added the new `telnyx/basira` enum value to the `transcription/model` response property for the response status `200` - added the new optional request property `avatar_settings` - added the new optional request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/challenger` - added the new optional request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/fallback_models` - added the new optional request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/settings/prompt` - added the new optional request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/voice_settings/tool_call_audio` - added the new optional request property `telephony_settings/conversation_ended_full_history` - added the new optional request property `tools/items/oneOf[subschema #13: PayTool -> subschema #14: PayTool]/pay/connector_parameters` - added the new optional request property `tools/items/oneOf[subschema #13: PayTool -> subschema #14: PayTool]/pay/valid_card_types` - added the new optional request property `tools/items/oneOf[subschema #7: TransferTool]/transfer/warm_transfer_acceptance/require_acceptance` - added the new optional request property `transcription/challenger` - added the new optional request property `transcription/fallback_models` - added the new optional request property `transcription/settings/prompt` - added the new optional request property `voice_settings/tool_call_audio` - the `end_of_turn_confidence_threshold` request property default value `0.4` was removed - the `end_of_turn_confidence_threshold` request property default value `0.4` was removed - request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/settings/end_of_turn_confidence_threshold` deprecated - request property `transcription/settings/end_of_turn_confidence_threshold` deprecated - added the new `telnyx/basira` enum value to the request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/model` - added the new `telnyx/basira` enum value to the request property `transcription/model` - added `#/components/schemas/VisionTool` to the `tools/items/` request property `oneOf` list - added the optional property `avatar_settings` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #13: PayTool -> subschema #14: PayTool]/pay/connector_parameters` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #13: PayTool -> subschema #14: PayTool]/pay/valid_card_types` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #7: TransferTool]/transfer/warm_transfer_acceptance/require_acceptance` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/challenger` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/fallback_models` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/settings/prompt` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/voice_settings/tool_call_audio` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #13: PayTool -> subschema #14: PayTool]/pay/connector_parameters` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #13: PayTool -> subschema #14: PayTool]/pay/valid_card_types` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #7: TransferTool]/transfer/warm_transfer_acceptance/require_acceptance` to the response with the `200` status - added the optional property `telephony_settings/conversation_ended_full_history` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #13: PayTool -> subschema #14: PayTool]/pay/connector_parameters` to the response with the `200` status - …10 more - **2026-09-28** `20b4163bd538`: 4 info - added the new optional request property `delegation_settings` - added the new optional request property `websocket_settings` - added the optional property `delegation_settings` to the response with the `200` status - added the optional property `websocket_settings` to the response with the `200` status - **2026-09-28** `da597059c87c`: 2 info - added the new optional request property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNodeReq]/message` - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/message` to the response with the `200` status - **2026-09-25** `88a6ea092777`: 4 warning, 4 info - removed the request property `tools/items/oneOf[subschema #2: WebhookTool]/webhook/timeout_ms` - removed the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #2: WebhookTool]/webhook/timeout_ms` from the response with the `200` status - removed the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #2: WebhookTool]/webhook/timeout_ms` from the response with the `200` status - removed the optional property `tools/items/oneOf[subschema #2: WebhookTool]/webhook/timeout_ms` from the response with the `200` status - added the new optional request property `tools/items/oneOf[subschema #2: WebhookTool]/timeout_ms` - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #2: WebhookTool]/timeout_ms` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #2: WebhookTool]/timeout_ms` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #2: WebhookTool]/timeout_ms` to the response with the `200` status - **2026-09-24** `9a704d487035`: 12 info - added the new optional request property `tools/items/oneOf[subschema #7: TransferTool]/transfer/targets/oneOf[subschema #1]/items/extension` - added the new optional request property `tools/items/oneOf[subschema #7: TransferTool]/transfer/targets/oneOf[subschema #1]/items/sip_auth_password` - added the new optional request property `tools/items/oneOf[subschema #7: TransferTool]/transfer/targets/oneOf[subschema #1]/items/sip_auth_username` - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #7: TransferTool]/transfer/targets/oneOf[subschema #1]/items/extension` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #7: TransferTool]/transfer/targets/oneOf[subschema #1]/items/sip_auth_password` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #7: TransferTool]/transfer/targets/oneOf[subschema #1]/items/sip_auth_username` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #7: TransferTool]/transfer/targets/oneOf[subschema #1]/items/extension` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #7: TransferTool]/transfer/targets/oneOf[subschema #1]/items/sip_auth_password` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #7: TransferTool]/transfer/targets/oneOf[subschema #1]/items/sip_auth_username` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #7: TransferTool]/transfer/targets/oneOf[subschema #1]/items/extension` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #7: TransferTool]/transfer/targets/oneOf[subschema #1]/items/sip_auth_password` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #7: TransferTool]/transfer/targets/oneOf[subschema #1]/items/sip_auth_username` to the response with the `200` status - **2026-09-22** `9621f6123ebc`: 2 warning - added the new `10011` enum value to the `errors/items/code` response property for the response status `409` - added the new `domain_graduation_limit_exceeded` enum value to the `errors/items/code` response property for the response status `409` - **2026-09-21** `1581f4d44566`: 2 warning, 2 info - added the new `omi-health/omi-med-stt-v1` enum value to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/model` response property for the response status `200` - added the new `omi-health/omi-med-stt-v1` enum value to the `transcription/model` response property for the response status `200` - added the new `omi-health/omi-med-stt-v1` enum value to the request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/model` - added the new `omi-health/omi-med-stt-v1` enum value to the request property `transcription/model` - **2026-09-21** `d18924181c6e`: 2 info - added the new optional request property `interruption_settings/interrupt_prediction_threshold` - added the optional property `interruption_settings/interrupt_prediction_threshold` to the response with the `200` status - **2026-09-17** `4596ec306e59`: 2 warning, 2 info - added the new `assemblyai/universal-3-5-pro` enum value to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/transcription/model` response property for the response status `200` - added the new `assemblyai/universal-3-5-pro` enum value to the `transcription/model` response property for the response status `200` - added the new `assemblyai/universal-3-5-pro` enum value to the request property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNodeReq]/transcription/model` - added the new `assemblyai/universal-3-5-pro` enum value to the request property `transcription/model` - **2026-09-17** `c44ea87f727b`: 4 breaking, 40 info - removed `#/components/schemas/HangupTool` from the `tools/items/` request property `oneOf` list - added `#/components/schemas/FunctionTool, #/components/schemas/inference-embedding_HangupTool` to the `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/` response property `oneOf` list for the response status `200` - added `#/components/schemas/FunctionTool, #/components/schemas/inference-embedding_HangupTool` to the `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/` response property `oneOf` list for the response status `200` - added `#/components/schemas/FunctionTool, #/components/schemas/inference-embedding_HangupTool` to the `tools/items/` response property `oneOf` list for the response status `200` - added `#/components/schemas/FunctionTool, #/components/schemas/inference-embedding_HangupTool` to the `tools/items/` request property `oneOf` list - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #10: SendMessageTool -> subschema #11: SendMessageTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #11: SkipTurnTool -> subschema #12: SkipTurnTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #12: PayTool -> subschema #13: PayTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #13: UpdateDynamicVariablesTool -> subschema #14: UpdateDynamicVariablesTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #1: WebhookTool -> subschema #2: WebhookTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #2: ClientSideTool -> subschema #3: ClientSideTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #3: RetrievalTool -> subschema #4: RetrievalTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #4: HandoffTool -> subschema #5: HandoffTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #6: TransferTool -> subschema #7: TransferTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #7: InviteTool -> subschema #8: InviteTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #8: SIPReferTool -> subschema #9: SIPReferTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #1: FlowNode]/tools/items/items/oneOf[subschema #9: DTMFTool -> subschema #10: DTMFTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #10: SendMessageTool -> subschema #11: SendMessageTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #11: SkipTurnTool -> subschema #12: SkipTurnTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #12: PayTool -> subschema #13: PayTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #13: UpdateDynamicVariablesTool -> subschema #14: UpdateDynamicVariablesTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #1: WebhookTool -> subschema #2: WebhookTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #2: ClientSideTool -> subschema #3: ClientSideTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #3: RetrievalTool -> subschema #4: RetrievalTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #4: HandoffTool -> subschema #5: HandoffTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #6: TransferTool -> subschema #7: TransferTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #7: InviteTool -> subschema #8: InviteTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #8: SIPReferTool -> subschema #9: SIPReferTool]/shared` to the response with the `200` status - added the optional property `conversation_flow/nodes/items/oneOf[subschema #2: ToolNode]/tool/items/oneOf[subschema #9: DTMFTool -> subschema #10: DTMFTool]/shared` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #10: SendMessageTool -> subschema #11: SendMessageTool]/shared` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #11: SkipTurnTool -> subschema #12: SkipTurnTool]/shared` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #12: PayTool -> subschema #13: PayTool]/shared` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #13: UpdateDynamicVariablesTool -> subschema #14: UpdateDynamicVariablesTool]/shared` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #1: WebhookTool -> subschema #2: WebhookTool]/shared` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #2: ClientSideTool -> subschema #3: ClientSideTool]/shared` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #3: RetrievalTool -> subschema #4: RetrievalTool]/shared` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #4: HandoffTool -> subschema #5: HandoffTool]/shared` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #6: TransferTool -> subschema #7: TransferTool]/shared` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #7: InviteTool -> subschema #8: InviteTool]/shared` to the response with the `200` status - added the optional property `tools/items/oneOf[subschema #8: SIPReferTool -> subschema #9: SIPReferTool]/shared` to the response with the `200` status - …4 more - **2026-09-16** `88030e1b5f1b`: 2 info - added the new optional request property `privacy_settings/in_transit_data_locality` - added the optional property `privacy_settings/in_transit_data_locality` to the response with the `200` status - …earlier changes are on the page: https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/ai/assistants/post --- [Operation](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/docs/ai/assistants/post.md) - [API](https://skmtc.dev/team-telnyx/apis/telnyx-api-2.md) - [Page](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/ai/assistants/post)