---
title: "List Collections"
method: GET
path: "/v1/collections"
tags: ["collections"]
---

# List Collections

`GET /v1/collections`

## Request

- Base URL: `https://api.trychannel3.com`
- URL: `https://api.trychannel3.com/v1/collections`
- Auth: API key in header `x-api-key`

List collections, optionally filtered to one partner user.

## Query parameters

- `user_id` string, nullable: Optional partner user id. When provided, returns only that user's collections. When omitted, returns all collections for this API key.
- `page_token` string, nullable: Opaque token from a previous list response.
- `limit` integer

## Response `200`

Successful Response

- PaginatedCollectionsResponse
  - `items` CollectionResponse[], required
    - `collection_id` string, required
    - `name` string, required
    - `description` string, nullable
    - `user_id` string, nullable
    - `clauses` CollectionClause[], required
      - `brand_ids` string[], nullable: OR within this list (any slot). AND with the clause's other lists. OR against other clauses.
      - `website_ids` string[], nullable: Merchant ids; OR within this list (any matching offer). AND with the clause's other lists. Domains are accepted on write and stored as merchant ids.
      - `category_ids` string[], nullable: OR within this list. AND with the clause's other lists.
      - `product_ids` string[], nullable
      - `clause_id` string, required
    - `created_at` string, date-time, required
    - `updated_at` string, date-time, required
  - `next_page_token` string, nullable

## Other responses

- `401`: Unauthorized - Invalid or missing authentication
- `402`: Payment required
- `422`: Validation Error
- `500`: Internal Server Error

## Changes

- **2026-10-16** `93329818bdf4`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/channel3-ai/apis/channel3-typescript-api/changes/v1/collections/get.md)

---

[API](https://skmtc.dev/channel3-ai/apis/channel3-typescript-api.md) - [All operations](https://skmtc.dev/channel3-ai/apis/channel3-typescript-api/llms.txt) - [OpenAPI document](https://skmtc.dev/channel3-ai/apis/channel3-typescript-api/revisions/f9f7b422ab5d?raw)