---
title: "List websocket notification prices"
method: GET
path: "/pricing/ws"
tags: ["Pricing"]
---

# List websocket notification prices

`GET /pricing/ws`

Public endpoint returning current websocket notification prices per chain ID and subscription type. No authentication required. Rate-limited per IP (default 30 requests per 60 seconds). Empty results return an empty JSON array.

## Query parameters

- `chain_id` string
- `subscription_type` string

## Response `200`

Current websocket notification prices

- WSNotificationPrice[]
  - `vm` 'evm', required — Virtual machine type (currently always "evm").
  - `chain_id` string, required — Numeric chain ID (e.g. "1", "137", "8453").
  - `subscription_type` string, required — Websocket subscription type (e.g. "newHeads").
  - `price_per_million` number, required — Price per one million notifications.

## Other responses

- `429` — Rate limit exceeded (per-IP limit; default 30 requests per 60 seconds)
- `503` — Pricing data temporarily unavailable

## Changes

- **2026-08-27** `4f83158e3dc8` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/routemesh/apis/routemesh-api/changes/pricing/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)