---
title: "Get supported chains"
method: GET
path: "/chains"
tags: ["Chains"]
---

# Get supported chains

`GET /chains`

Retrieves all supported blockchain networks, optionally filtered by network type (mainnet/testnet)

## Query parameters

- `network` 'mainnet' | 'testnet'

## Response `200`

Supported chains retrieved successfully

- string[]

## Other responses

- `401` — Unauthorized - Invalid or missing API key

## Changes

> 9 revisions in range; 2 could not be searched.

- **2025-12-13** `0172b83f90c7` — 2 info
  - added the media type `application/json` for the response with the status `200`
  - added the non-success response with the status `401`
- **2025-11-11** `fce39ccb3e9d` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/horuslabsio/apis/chainrails-api/changes/chains/get.md)

---

[API](https://skmtc.dev/horuslabsio/apis/chainrails-api.md) · [All operations](https://skmtc.dev/horuslabsio/apis/chainrails-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/horuslabsio/chainrails-api/revisions/dcf19c1bab20/schema)