---
title: "List channels for a cycler"
method: GET
path: "/cyclers/{cycler_id}/channels"
tags: ["Cyclers", "Channels"]
---

# List channels for a cycler

`GET /cyclers/{cycler_id}/channels`

## Request

- Base URL: `https://api.ionworks.com`
- URL: `https://api.ionworks.com/cyclers/{cycler_id}/channels`
- Auth: none declared

List channels for a cycler with pagination and filtering.

Filter parameters support Supabase filter operators:
- Text fields (name, id_text, created_by_email): use ``ilike.%value%`` for
  partial match
- Date fields: use ``gte.value``, ``lte.value``, etc.
- Date range: use created_at_gt and created_at_lt for between queries

``q`` is the free-text search box's param: it narrows on channel name substring
plus a prefix full-text match over ``search_vector``, and composes with the
column filters above.

## Path parameters

- `cycler_id` string, uuid, required

## Query parameters

- `limit` integer
- `offset` integer
- `q` string, nullable: Free-text search on channel name plus prefix full-text match, matching the global search. Composes with the column filters.
- `id_text` string, nullable
- `name` string, nullable
- `created_by_email` string, nullable
- `created_at` string, nullable
- `created_at_gt` string, nullable
- `created_at_lt` string, nullable
- `updated_at` string, nullable
- `updated_at_gt` string, nullable
- `updated_at_lt` string, nullable
- `order_by` 'name' | 'created_at' | 'updated_at'
- `order` 'asc' | 'desc'

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

## Changes

- **2026-09-30** `ea3d377fec1a`: 1 breaking
  - for the `path` request parameter `cycler_id`, the format changed from no format to `uuid`

[Operation history](https://skmtc.dev/ionworks/apis/ionworks-api/changes/cyclers/:cycler_id/channels/get.md)

---

[API](https://skmtc.dev/ionworks/apis/ionworks-api.md) - [All operations](https://skmtc.dev/ionworks/apis/ionworks-api/llms.txt) - [OpenAPI document](https://skmtc.dev/ionworks/apis/ionworks-api/revisions/abebbbc5f60a?raw)