Changes to POST /create-sms-chat

Changed in 8 of the 28 revisions of this API.▲31●11○8

1. May 28, 202640402ca870b9●1
2. May 12, 20266dff2a12f866▲3
3. May 8, 20267dd16ddf69d8●1
4. May 7, 2026f1a0d7c1e36c○1
5. Apr 20, 20268ee53928bf31▲25●9○5
6. Mar 9, 20268fbf8c54a142▲3
7. Feb 23, 2026bcff6899fa2a○1
8. Feb 10, 20260bf5cea5dfcc○1

What changed

• May 28, 202640402ca870b9●1See the full diff
  • ●

    changed the pattern of the request property override_agent_version/oneOf[subschema #2] from ^(latest|(?!(?:v\d+)$)[a-z][a-z0-9_-]{0,19})$ to ^(latest|latest_published|(?!(?:latest|latest_published|v\d+)$)[a-z][a-z0-9_-]{0,19})$

    request-property-pattern-changed

• May 12, 20266dff2a12f866▲3See the full diff
  • ▲

    the retell_llm_dynamic_variables/additionalProperties request property type changed from no type to string

    request-property-type-changed

  • ▲

    the collected_dynamic_variables/additionalProperties response's property type changed from no type to string for status 200

    response-property-type-changed

  • ▲

    the retell_llm_dynamic_variables/additionalProperties response's property type changed from no type to string for status 200

    response-property-type-changed

• May 8, 20267dd16ddf69d8●1See the full diff
  • ●

    changed the pattern of the request property override_agent_version/oneOf[subschema #2] from ^[a-z0-9_-]+$ to ^(latest|(?!(?:v\d+)$)[a-z][a-z0-9_-]{0,19})$

    request-property-pattern-changed

• May 7, 2026f1a0d7c1e36c○1See the full diff
  • ○

    request property override_agent_version list-of-types was widened by adding types string to media type application/json

    request-property-list-of-types-widened

• Apr 20, 20268ee53928bf31▲25●9○5See the full diff
  • ▲

    the message_with_tool_calls/items/oneOf[#/components/schemas/Message] response's property type changed from object to no type for status 200

    response-property-type-changed

  • ▲

    the message_with_tool_calls/items/oneOf[#/components/schemas/NodeTransitionMessage] response's property type changed from object to no type for status 200

    response-property-type-changed

  • ▲

    the message_with_tool_calls/items/oneOf[#/components/schemas/StateTransitionMessage] response's property type changed from object to no type for status 200

    response-property-type-changed

  • ▲

    the message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallInvocationMessage] response's property type changed from object to no type for status 200

    response-property-type-changed

  • ▲

    the message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallResultMessage] response's property type changed from object to no type for status 200

    response-property-type-changed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/Message]/content from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/Message]/created_timestamp from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/Message]/message_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/Message]/role from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/NodeTransitionMessage]/created_timestamp from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/NodeTransitionMessage]/message_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/NodeTransitionMessage]/role from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/StateTransitionMessage]/created_timestamp from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/StateTransitionMessage]/message_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/StateTransitionMessage]/role from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallInvocationMessage]/arguments from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallInvocationMessage]/message_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallInvocationMessage]/name from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallInvocationMessage]/role from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallInvocationMessage]/tool_call_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallResultMessage]/content from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallResultMessage]/created_timestamp from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallResultMessage]/message_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallResultMessage]/role from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallResultMessage]/tool_call_id from the response with the 200 status

    response-required-property-removed

  • ●

    removed the optional property message_with_tool_calls/items/oneOf[#/components/schemas/NodeTransitionMessage]/former_node_id from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property message_with_tool_calls/items/oneOf[#/components/schemas/NodeTransitionMessage]/former_node_name from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property message_with_tool_calls/items/oneOf[#/components/schemas/NodeTransitionMessage]/new_node_id from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property message_with_tool_calls/items/oneOf[#/components/schemas/NodeTransitionMessage]/new_node_name from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property message_with_tool_calls/items/oneOf[#/components/schemas/StateTransitionMessage]/former_state_name from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property message_with_tool_calls/items/oneOf[#/components/schemas/StateTransitionMessage]/new_state_name from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallInvocationMessage]/created_timestamp from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallInvocationMessage]/thought_signature from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallResultMessage]/successful from the response with the 200 status

    response-optional-property-removed

  • ○

    added MessageBase subschema #2 to the message_with_tool_calls/items/oneOf[#/components/schemas/Message] response property allOf list for the response status 200

    response-property-all-of-added

  • ○

    added NodeTransitionMessageBase subschema #2 to the message_with_tool_calls/items/oneOf[#/components/schemas/NodeTransitionMessage] response property allOf list for the response status 200

    response-property-all-of-added

  • ○

    added StateTransitionMessageBase subschema #2 to the message_with_tool_calls/items/oneOf[#/components/schemas/StateTransitionMessage] response property allOf list for the response status 200

    response-property-all-of-added

  • ○

    added ToolCallInvocationMessageBase subschema #2 to the message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallInvocationMessage] response property allOf list for the response status 200

    response-property-all-of-added

  • ○

    added ToolCallResultMessageBase subschema #2 to the message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallResultMessage] response property allOf list for the response status 200

    response-property-all-of-added

• Mar 9, 20268fbf8c54a142▲3See the full diff
  • ▲

    the from_number request property's minLength was increased from 0 to 1

    request-property-min-length-increased

  • ▲

    the override_agent_id request property's minLength was increased from 0 to 1

    request-property-min-length-increased

  • ▲

    the to_number request property's minLength was increased from 0 to 1

    request-property-min-length-increased

• Feb 23, 2026bcff6899fa2a○1See the full diff
  • ○

    added the optional property message_with_tool_calls/items/oneOf[#/components/schemas/ToolCallResultMessage]/successful to the response with the 200 status

    response-optional-property-added

• Feb 10, 20260bf5cea5dfcc○1See the full diff
  • ○

    added the optional property chat_cost/product_costs/items/is_transfer_leg_cost to the response with the 200 status

    response-optional-property-added