Ably Platform API

ably.io

Provides REST and realtime pub/sub messaging, chat, and data synchronization infrastructure for building realtime applications.

The Ably Platform API API uses api key authentication; has freemium pricing; offers a free tier (Free package $0: 200 concurrent connections, 500 messages/second, 6M messages/month); rate limits: Max message rate: Free 500/second, Standard 2.5k/second, Pro 10k/second, Enterprise unlimited. Verified 2026-07-08 with per-field source links.

Cloud & Infrastructure Verified 2026-07-08 medium confidence

Base URL

not documented null

no source

Auth

api_key

ably.com ↗

Free tier

Free package $0: 200 concurrent connections, 500 messages/second, 6M messages/month

ably.com ↗

Pricing model

freemium

ably.com ↗

Pricing

Free $0; Standard $29/month + usage; Pro $399/month + usage; Enterprise custom. Usage: Messages $2.50/million (as low as $0.50/M with volume), Connections/Channels $1.00/million mins

ably.com ↗

Rate limits

Max message rate: Free 500/second, Standard 2.5k/second, Pro 10k/second, Enterprise unlimited

ably.com ↗

OpenAPI spec

not documented null

no source

MCP server

not documented null

no source