---
title: "Get Evidence By References"
method: POST
path: "/evidence/by_references"
---

# Get Evidence By References

`POST /evidence/by_references`

Fetch evidence items by their references (tool_call_id + evidence_id).

This endpoint is optimized for batch fetching:
- Groups references by tool_call_id
- Fetches each S3 bundle once
- Filters to requested evidence UUIDs

Args:
    request: Contains session_id and list of evidence references
    authorized_user: Authorized user dependency

Returns:
    JSONResponse with evidence dict mapping evidence_id to enriched evidence

## Request body

- EvidenceByReferencesRequest — Request to fetch evidence items by their references.
  - `session_id` string, required
  - `references` EvidenceReferenceRequest[], required
    - `tool_call_id` string, required
    - `evidence_id` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/traversal/apis/fastapi.md) · [All operations](https://skmtc.net/traversal/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/traversal/fastapi/revisions/2134ebffd1ef/schema)