---
title: "Changes to Get Session"
method: GET
path: "/projects/{project_id}/sessions/{session_id}"
---

# Changes to Get Session

`GET /projects/{project_id}/sessions/{session_id}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 14 revisions.

- **2026-08-13** `344acdc36dbb` — 960 warning, 32 info
- **2026-08-05** `1f7a6a4a81ad` — 7 breaking, 35 warning, 3 info
- **2026-07-26** `05003e7835a2` — 1 info

## Changes

- **2026-08-13** `344acdc36dbb` — 960 warning, 32 info
  - removed the optional property `metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #1: MetricNotComputed]/scorer_type` from the response with the `200` status
  - removed the optional property `metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #2: MetricPending]/scorer_type` from the response with the `200` status
  - removed the optional property `metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #3: MetricComputing]/scorer_type` from the response with the `200` status
  - removed the optional property `metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #4: MetricNotApplicable]/scorer_type` from the response with the `200` status
  - removed the optional property `metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #5: MetricSuccess]/critique` from the response with the `200` status
  - removed the optional property `metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #5: MetricSuccess]/scorer_type` from the response with the `200` status
  - removed the optional property `metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #6: MetricError]/scorer_type` from the response with the `200` status
  - removed the optional property `metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #7: MetricFailed]/scorer_type` from the response with the `200` status
  - removed the optional property `metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #8: MetricRollUp]/critique` from the response with the `200` status
  - removed the optional property `metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #8: MetricRollUp]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #1: MetricNotComputed]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #2: MetricPending]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #3: MetricComputing]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #4: MetricNotApplicable]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #5: MetricSuccess]/critique` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #5: MetricSuccess]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #6: MetricError]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #7: MetricFailed]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #8: MetricRollUp]/critique` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #8: MetricRollUp]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #1: MetricNotComputed]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #2: MetricPending]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #3: MetricComputing]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #4: MetricNotApplicable]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #5: MetricSuccess]/critique` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #5: MetricSuccess]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #6: MetricError]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #7: MetricFailed]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #8: MetricRollUp]/critique` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #8: MetricRollUp]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/spans/items/oneOf[subschema #2: ExtendedWorkflowSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #1: MetricNotComputed]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/spans/items/oneOf[subschema #2: ExtendedWorkflowSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #2: MetricPending]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/spans/items/oneOf[subschema #2: ExtendedWorkflowSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #3: MetricComputing]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/spans/items/oneOf[subschema #2: ExtendedWorkflowSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #4: MetricNotApplicable]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/spans/items/oneOf[subschema #2: ExtendedWorkflowSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #5: MetricSuccess]/critique` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/spans/items/oneOf[subschema #2: ExtendedWorkflowSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #5: MetricSuccess]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/spans/items/oneOf[subschema #2: ExtendedWorkflowSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #6: MetricError]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/spans/items/oneOf[subschema #2: ExtendedWorkflowSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #7: MetricFailed]/scorer_type` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/spans/items/oneOf[subschema #2: ExtendedWorkflowSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #8: MetricRollUp]/critique` from the response with the `200` status
  - removed the optional property `traces/items/oneOf[subschema #1: ExtendedTraceRecordWithChildren]/spans/items/oneOf[subschema #1: ExtendedAgentSpanRecordWithChildren]/spans/items/oneOf[subschema #2: ExtendedWorkflowSpanRecordWithChildren]/metric_info/anyOf[subschema #1]/additionalProperties/oneOf[subschema #8: MetricRollUp]/scorer_type` from the response with the `200` status
  - …952 more
- **2026-08-05** `1f7a6a4a81ad` — 7 breaking, 35 warning, 3 info
  - added `#/components/schemas/ExtendedTraceRecordWithChildren, #/components/schemas/StubTraceRecord` to the `traces/items/` response property `oneOf` list for the response status `200`
  - the `traces/items/` response's property type/format changed from `object`/`` to ``/`` for status `200`
  - removed the required property `traces/items/id` from the response with the `200` status
  - removed the required property `traces/items/project_id` from the response with the `200` status
  - removed the required property `traces/items/run_id` from the response with the `200` status
  - removed the required property `traces/items/session_id` from the response with the `200` status
  - removed the required property `traces/items/trace_id` from the response with the `200` status
  - removed the optional property `traces/items/annotation_aggregates` from the response with the `200` status
  - removed the optional property `traces/items/annotation_agreement` from the response with the `200` status
  - removed the optional property `traces/items/annotation_queue_ids` from the response with the `200` status
  - removed the optional property `traces/items/annotations` from the response with the `200` status
  - removed the optional property `traces/items/created_at` from the response with the `200` status
  - removed the optional property `traces/items/dataset_input` from the response with the `200` status
  - removed the optional property `traces/items/dataset_metadata` from the response with the `200` status
  - removed the optional property `traces/items/dataset_output` from the response with the `200` status
  - removed the optional property `traces/items/error_message` from the response with the `200` status
  - removed the optional property `traces/items/external_id` from the response with the `200` status
  - removed the optional property `traces/items/feedback_rating_info` from the response with the `200` status
  - removed the optional property `traces/items/file_ids` from the response with the `200` status
  - removed the optional property `traces/items/file_modalities` from the response with the `200` status
  - removed the optional property `traces/items/files` from the response with the `200` status
  - removed the optional property `traces/items/fully_annotated` from the response with the `200` status
  - removed the optional property `traces/items/has_children` from the response with the `200` status
  - removed the optional property `traces/items/input` from the response with the `200` status
  - removed the optional property `traces/items/is_complete` from the response with the `200` status
  - removed the optional property `traces/items/metric_info` from the response with the `200` status
  - removed the optional property `traces/items/metrics` from the response with the `200` status
  - removed the optional property `traces/items/metrics_batch_id` from the response with the `200` status
  - removed the optional property `traces/items/name` from the response with the `200` status
  - removed the optional property `traces/items/num_spans` from the response with the `200` status
  - removed the optional property `traces/items/output` from the response with the `200` status
  - removed the optional property `traces/items/overall_annotation_agreement` from the response with the `200` status
  - removed the optional property `traces/items/progress_message` from the response with the `200` status
  - removed the optional property `traces/items/redacted_input` from the response with the `200` status
  - removed the optional property `traces/items/redacted_output` from the response with the `200` status
  - removed the optional property `traces/items/session_batch_id` from the response with the `200` status
  - removed the optional property `traces/items/spans` from the response with the `200` status
  - removed the optional property `traces/items/status_code` from the response with the `200` status
  - removed the optional property `traces/items/tags` from the response with the `200` status
  - removed the optional property `traces/items/type` from the response with the `200` status
  - …5 more
- **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/sessions/:session_id/get.md) · [API](https://skmtc.dev/galileo/apis/galileo-api-server.md) · [Page](https://skmtc.dev/galileo/apis/galileo-api-server/changes/projects/:project_id/sessions/:session_id/get)
