---
title: "Lookup collection contents"
method: GET
path: "/v1/collections/{collection_id}/content"
tags: ["Collections"]
---

# Lookup collection contents

`GET /v1/collections/{collection_id}/content`

Retrieve the contents of a collection (the `data` from when you created or updated a collection). Each `row` in the collection is represented as a JSON blob in the response.

## Response `200`

Returns your collection's contents—the `data` (or `url` contents) from your POST or PUT call.

- object

## Other responses

- `404` — The collection `id` does not exist.
- `429` — Your request is over the 10-per-second limit. `Retry-After` tells you how many seconds you must wait before you send the next request.

## Changes

- **2026-09-02** `5da2740beeb5` — 1 info
  - added the media type `application/json` for the response with the status `429`

[Change history](https://skmtc.dev/customer/apis/customer-io-journeys-api-reference/changes/v1/collections/:collection_id/content/get.md)

---

[API](https://skmtc.dev/customer/apis/customer-io-journeys-api-reference.md) · [All operations](https://skmtc.dev/customer/apis/customer-io-journeys-api-reference/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/customer/customer-io-journeys-api-reference/revisions/00b93971a49f/schema)