---
title: "Changes to Log Traces"
method: POST
path: "/projects/{project_id}/traces"
---

# Changes to Log Traces

`POST /projects/{project_id}/traces`

> Every recorded change to this operation, newest first.
> 34 revisions in range; 2 not diffed.

## Timeline

Changed in 6 of 34 revisions.

- **2026-10-15** `cdaf9547c14d`: 96 info
- **2026-09-18** `20760c217c4f`: 1 info
- **2026-09-05** `ffb734d6931b`: 32 info
- **2026-08-13** `344acdc36dbb`: 16 info
- **2026-08-05** `1f7a6a4a81ad`: 1 info
- **2026-07-26** `05003e7835a2`: 1 info

## Changes

- **2026-10-15** `cdaf9547c14d`: 96 info
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `retriever_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `session_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `session_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `session_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `session_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `session_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `session_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `session_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - added the new `session_call` enum value to the request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #7: HttpSpan]/spans/items/oneOf[subschema #6: ControlSpan]/applies_to/anyOf[subschema #1: ControlAppliesTo]/`
  - …56 more
- **2026-09-18** `20760c217c4f`: 1 info
  - added the new optional request property `traces/items/dataset_generated_output`
- **2026-09-05** `ffb734d6931b`: 32 info
  - added `http` discriminator mapping keys to the `traces/items/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property
  - added `http` discriminator mapping keys to the `traces/items/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property `oneOf` list
  - added `#/components/schemas/HttpSpan` to the `traces/items/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/` request property `oneOf` list
- **2026-08-13** `344acdc36dbb`: 16 info
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #2: WorkflowSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #4: RetrieverSpan]/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #5: ToolSpan]/spans/items/oneOf[subschema #3: LlmSpan]/provider`
- **2026-08-05** `1f7a6a4a81ad`: 1 info
  - added the new optional request property `traces/items/spans/items/oneOf[subschema #1: AgentSpan]/agent_name`
- **2026-07-26** `05003e7835a2`: 1 info
  - the endpoint scheme security `ClassicAPIKeyHeader` was added to the API

---

[Operation](https://skmtc.dev/galileo/apis/galileo-api-server/docs/projects/:project_id/traces/post.md) - [API](https://skmtc.dev/galileo/apis/galileo-api-server.md) - [Page](https://skmtc.dev/galileo/apis/galileo-api-server/changes/projects/:project_id/traces/post)
