---
title: "Backfill Chat Endpoint"
method: POST
path: "/api/telemetry-optimizer/observations/backfill-chat"
tags: ["telemetry-optimizer"]
---

# Backfill Chat Endpoint

`POST /api/telemetry-optimizer/observations/backfill-chat`

## Request body

- BackfillChatRequest
  - `chat_id` string, required — Chat UUID to backfill from

## Response `200`

Successful Response

- object

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/deeptrace/apis/fastapi.md) · [All operations](https://skmtc.net/deeptrace/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/deeptrace/fastapi/versions/1af581120ec0/schema)