---
title: "List supported WebSocket chains"
method: GET
path: "/chains/ws"
tags: ["Chains"]
---

# List supported WebSocket chains

`GET /chains/ws`

Returns the EVM chains supported over WebSocket, sorted by chain ID. Public endpoint, no authentication required. Returns an empty array when no chains are supported.

## Response `200`

Supported WebSocket chains

- ChainInfo[]
  - `chain_id` string, required — Numeric chain ID (e.g. "1", "137", "8453").
  - `name` string, required — Human-readable chain name.

## Other responses

- `500` — Internal server error

## Changes

- **2026-08-28** `c7fb79e9e4c0` — 1 info
  - endpoint added

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

---

[API](https://skmtc.dev/routemesh/apis/routemesh-api.md) · [All operations](https://skmtc.dev/routemesh/apis/routemesh-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/routemesh/routemesh-api/revisions/ec927412b199/schema)