Unity

Unity Relay API

NAT-traversal relay service that allows peer-to-peer multiplayer sessions without exposing player IPs. Allocates host/join codes, encrypted DTLS connections, and short-lived relay endpoints across global regions.

GitHub

Documentation

📖
Documentation
https://services.docs.unity.com/relay-allocations/v1/

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/unity-relay-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑ 
aid: unity-com:unity-relay-api
name: Unity Relay API
tags:
- Multiplayer
- Relay
- Networking
- Gaming
humanURL: https://services.docs.unity.com/relay-allocations/v1/
properties:
- url: https://services.docs.unity.com/relay-allocations/v1/
  type: Documentation
description: NAT-traversal relay service that allows peer-to-peer multiplayer sessions without exposing
  player IPs. Allocates host/join codes, encrypted DTLS connections, and short-lived relay endpoints across
  global regions.