--- title: "Changes to Create a span" method: POST path: "/api/request-logs/" --- # Changes to Create a span `POST /api/request-logs/` > Every recorded change to this operation, newest first. ## Timeline Changed in 7 of 19 revisions. - **2026-10-21** `c30bcb383ee8`: 5 breaking, 58 info - **2026-10-02** `b830b79cfd52`: 4 warning, 3 info - **2026-09-17** `6fa8242da8c2`: 1 warning, 1 info - **2026-09-12** `22b868ef3f22`: 1 info - **2026-08-13** `4e064cf81dae`: 4 breaking, 278 warning, 8 info - **2026-07-31** `c26d550029f8`: 10 breaking, 1 warning, 284 info - **2026-07-26** `77d94e49bc7a`: 56 warning ## Changes - **2026-10-21** `c30bcb383ee8`: 5 breaking, 58 info - added the new required request property `model` - request body became required - the `cost` response's property format changed from `double` to no format for status `201` - the `latency` response's property format changed from `double` to no format for status `201` - the `time_to_first_token` response's property format changed from `double` to no format for status `201` - api operation id `spans_createSpan` removed and replaced with `createSpan` - api tag `Spans` added - api tag `spans` removed - added the new optional request property `completion_message` - added the new optional request property `completion_tokens` - added the new optional request property `completion_unit_price` - added the new optional request property `cost` - added the new optional request property `custom_identifier` - added the new optional request property `customer_identifier` - added the new optional request property `customer_params` - added the new optional request property `error_code` - added the new optional request property `error_message` - added the new optional request property `frequency_penalty` - added the new optional request property `full_request` - added the new optional request property `full_response` - added the new optional request property `generation_time` - added the new optional request property `group_identifier` - added the new optional request property `input` - added the new optional request property `is_custom_prompt` - added the new optional request property `keywordsai_params` - added the new optional request property `latency` - added the new optional request property `log_type` - added the new optional request property `max_tokens` - added the new optional request property `messages` - added the new optional request property `metadata` - added the new optional request property `output` - added the new optional request property `positive_feedback` - added the new optional request property `presence_penalty` - added the new optional request property `prompt_id` - added the new optional request property `prompt_messages` - added the new optional request property `prompt_name` - added the new optional request property `prompt_tokens` - added the new optional request property `prompt_unit_price` - added the new optional request property `properties` - added the new optional request property `respan_params` - …23 more - **2026-10-02** `b830b79cfd52`: 4 warning, 3 info - added the new `failed` enum value to the `status` response property for the response status `201` - added the new `pending` enum value to the `status` response property for the response status `201` - added the new `running` enum value to the `status` response property for the response status `201` - added the new `warning` enum value to the `status` response property for the response status `201` - added the non-success response with the status `403` - removed the non-success response with the status `401` - removed the `error` enum value from the `status` response property for the response status `201` - **2026-09-17** `6fa8242da8c2`: 1 warning, 1 info - deleted the `header` request parameter `Authorization` - the endpoint scheme security `RespanApiKey` was added to the API - **2026-09-12** `22b868ef3f22`: 1 info - api operation id `create-span` removed and replaced with `spans_createSpan` - **2026-08-13** `4e064cf81dae`: 4 breaking, 278 warning, 8 info - the response property `id` became optional for the status `201` - the `environment` response's property type changed from no type to `string` for status `201` - the `id` response's property type changed from `integer` to `string` for status `201` - the `status` response's property type changed from no type to `string` for status `201` - removed the request property `LLM_based_answer_relevance` - removed the request property `LLM_based_context_precision` - removed the request property `LLM_based_faithfulness` - removed the request property `amount_to_pay` - removed the request property `audio_input_file` - removed the request property `audio_output_file` - removed the request property `audio_response_format` - removed the request property `base64_embedding` - removed the request property `based_log_unique_id` - removed the request property `blurred` - removed the request property `cache_bit` - removed the request property `cache_key` - removed the request property `cache_miss_bit` - removed the request property `cached` - removed the request property `calling_model` - removed the request property `category` - removed the request property `company_organization` - removed the request property `completion_message` - removed the request property `completion_messages` - removed the request property `completion_text` - removed the request property `completion_text_vector` - removed the request property `completion_tokens` - removed the request property `cost` - removed the request property `covered_by` - removed the request property `custom_endpoint` - removed the request property `custom_identifier` - removed the request property `custom_region` - removed the request property `customer_email` - removed the request property `customer_identifier` - removed the request property `customer_name` - removed the request property `customer_user` - removed the request property `customer_user_unique_id` - removed the request property `deployment_name` - removed the request property `dimensions` - removed the request property `embedding` - removed the request property `encoding_format` - …250 more - **2026-07-31** `c26d550029f8`: 10 breaking, 1 warning, 284 info - the response property `latency` became nullable for the status `201` - the response property `prompt_cache_creation_tokens` became nullable for the status `201` - the response property `prompt_cache_hit_tokens` became nullable for the status `201` - the response property `time_to_first_token` became nullable for the status `201` - the response property `unique_id` became nullable for the status `201` - added `#/components/schemas/EnvironmentA4fEnum, #/components/schemas/BlankEnum` to the `environment` response property `oneOf` list for the response status `201` - added `#/components/schemas/RequestLogCreateStatusEnum, #/components/schemas/BlankEnum` to the `status` response property `oneOf` list for the response status `201` - the `environment` response's property type changed from `string` to no type for status `201` - the `id` response's property type changed from `string` to `integer` for status `201` - the `status` response's property type changed from `string` to no type for status `201` - removed the optional property `organization_id` from the response with the `201` status - added the new optional request property `LLM_based_answer_relevance` - added the new optional request property `LLM_based_context_precision` - added the new optional request property `LLM_based_faithfulness` - added the new optional request property `amount_to_pay` - added the new optional request property `audio_input_file` - added the new optional request property `audio_output_file` - added the new optional request property `audio_response_format` - added the new optional request property `base64_embedding` - added the new optional request property `based_log_unique_id` - added the new optional request property `blurred` - added the new optional request property `cache_bit` - added the new optional request property `cache_key` - added the new optional request property `cache_miss_bit` - added the new optional request property `cached` - added the new optional request property `calling_model` - added the new optional request property `category` - added the new optional request property `company_organization` - added the new optional request property `completion_message` - added the new optional request property `completion_messages` - added the new optional request property `completion_text` - added the new optional request property `completion_text_vector` - added the new optional request property `completion_tokens` - added the new optional request property `cost` - added the new optional request property `covered_by` - added the new optional request property `custom_endpoint` - added the new optional request property `custom_identifier` - added the new optional request property `custom_region` - added the new optional request property `customer_email` - added the new optional request property `customer_identifier` - …255 more - **2026-07-26** `77d94e49bc7a`: 56 warning - removed the request property `completion_message` - removed the request property `completion_tokens` - removed the request property `completion_unit_price` - removed the request property `cost` - removed the request property `custom_identifier` - removed the request property `customer_identifier` - removed the request property `customer_params` - removed the request property `environment` - removed the request property `error_message` - removed the request property `frequency_penalty` - removed the request property `full_request` - removed the request property `full_response` - removed the request property `generation_time` - removed the request property `group_identifier` - removed the request property `input` - removed the request property `is_custom_prompt` - removed the request property `keywordsai_params` - removed the request property `latency` - removed the request property `log_type` - removed the request property `max_tokens` - removed the request property `messages` - removed the request property `metadata` - removed the request property `model` - removed the request property `output` - removed the request property `positive_feedback` - removed the request property `presence_penalty` - removed the request property `prompt_id` - removed the request property `prompt_messages` - removed the request property `prompt_name` - removed the request property `prompt_tokens` - removed the request property `prompt_unit_price` - removed the request property `properties` - removed the request property `respan_params` - removed the request property `response_format` - removed the request property `span_name` - removed the request property `span_parent_id` - removed the request property `span_workflow_name` - removed the request property `start_time` - removed the request property `status` - removed the request property `status_code` - …16 more --- [Operation](https://skmtc.dev/keywordsai/apis/respan-api/docs/api/request-logs/post.md) - [API](https://skmtc.dev/keywordsai/apis/respan-api.md) - [Page](https://skmtc.dev/keywordsai/apis/respan-api/changes/api/request-logs/post)