---
title: "Produce a CID of the collection contents"
method: POST
path: "/collections/{coluuid}/commit"
tags: ["collections"]
---

# Produce a CID of the collection contents

`POST /collections/{coluuid}/commit`

This endpoint is used to save the contents in a collection, producing a top-level CID that references all the current CIDs in the collection.

## Path parameters

- `coluuid` string, required

## Response `200`

OK

- string

## Changes

- **2022-10-27** `1566cd255be2` — 2 info
  - removed the non-success response with the status `400`
  - removed the non-success response with the status `500`
- **2022-09-14** `35d2c26f300c` — 2 info
  - removed the non-success response with the status `400`
  - removed the non-success response with the status `500`

[Change history](https://skmtc.dev/application-research/apis/estuary-api/changes/collections/:coluuid/commit/post.md)

---

[API](https://skmtc.dev/application-research/apis/estuary-api.md) · [All operations](https://skmtc.dev/application-research/apis/estuary-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/application-research/estuary-api/revisions/1566cd255be2/schema)