---
title: "Read records from source"
method: POST
path: "/pipeline_read"
tags: ["Stateless Sync API"]
---

# Read records from source

`POST /pipeline_read`

Streams NDJSON messages (records, state, catalog). Optional NDJSON body provides live events as input.

## Query parameters

- `state_limit` integer — Stop streaming after N state messages.
- `time_limit` number — Stop streaming after N seconds.
- `sync_run_id` string — Optional sync run identifier used to track bounded sync progress.

## Response `200`

NDJSON stream of sync messages

## Other responses

- `400` — Invalid params

## Changes

- **2026-04-20** `1e719ad9a31f` — 1 breaking
  - removed the media type `application/json` from the request body
- **2026-04-20** `8bea86f53f8e` — 1 info
  - added the optional property `oneOf[#/components/schemas/LogMessage]/log/data` to the response with the `200` status
- **2026-04-20** `735e87c5d125` — 5 warning, 5 info
  - removed the request property `state/sync_run/progress/streams/additionalProperties/time_range`
  - removed the optional property `oneOf[#/components/schemas/EofMessage]/eof/ending_state/sync_run/progress/streams/additionalProperties/time_range` from the response with the `200` status
  - removed the optional property `oneOf[#/components/schemas/EofMessage]/eof/request_progress/streams/additionalProperties/time_range` from the response with the `200` status
  - removed the optional property `oneOf[#/components/schemas/EofMessage]/eof/run_progress/streams/additionalProperties/time_range` from the response with the `200` status
  - …6 more
- **2026-04-20** `43c276a91cb0` — 1 info
  - added the new optional `query` request parameter `sync_run_id`
- …earlier changes not shown

[Full history](https://skmtc.dev/stripe/apis/stripe-sync-engine/changes/pipeline_read/post.md)

---

[API](https://skmtc.dev/stripe/apis/stripe-sync-engine.md) · [All operations](https://skmtc.dev/stripe/apis/stripe-sync-engine/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/stripe/stripe-sync-engine/revisions/b5bd4fac9f3c/schema)