---
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

## Other responses

- `400` — Bad Request
- `500` — Internal Server Error

---

[API](https://skmtc.net/application-research/apis/estuary-api.md) · [All operations](https://skmtc.net/application-research/apis/estuary-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/application-research/estuary-api/versions/b9ae518bf64b/schema)