Azure Web PubSub · Rate Limits

Microsoft Azure Web Pubsub Rate Limits

Microsoft Azure Web Pubsub Rate Limits is the rate-limit profile for Azure Web PubSub on the APIs.io network — every limit transcribed verbatim from the provider’s own documentation on 2026-11-05.

It captures 9 rate-limit definitions, including Units per instance (Free) — Azure Web PubSub Service units per instance for Free tier 1 1; Units per instance (Standard/Premium_P1) — Azure Web PubSub Service units per instance for Standard/Premium_P1 tier 100 100; Units per subscription per region (Free) — Azure Web PubSub Service units per subscription per region for Free tier 5 5.

Tagged areas include Messaging, Pub/Sub, Real-Time, Serverless, and WebSocket.

9 Limits
Transcribed from the provider's documentation on 2026-11-05 — learn.microsoft.com/en-us/azure/azure-resource-manager/ma....
View Source
MessagingPub/SubReal-TimeServerlessWebSocket

Limits

Units per instance (Free) per-instanceFree
Azure Web PubSub Service units per instance for Free tier 1 1
Units per instance (Standard/Premium_P1) per-instanceStandard/Premium_P1
Azure Web PubSub Service units per instance for Standard/Premium_P1 tier 100 100
Units per subscription per region (Free) per-subscription-regionFree
Azure Web PubSub Service units per subscription per region for Free tier 5 5
Total units per subscription per region per-subscription-region
Total Azure Web PubSub Service unit counts per subscription per region 150 Unlimited
Concurrent connections per unit (Free) per-unitFree
Concurrent connections per unit for Free tier 20 20
Concurrent connections per unit (Standard/Premium) per-unitStandard/Premium
Concurrent connections per unit for Standard/Premium tier 1,000 1,000
Included messages per unit per day (Free) per-unitFree
Included messages per unit per day for Free tier 20,000 20,000
· per 1 day
Included messages per unit per day (Standard/Premium) per-unitStandard/Premium
Included messages per unit per day for Standard/Premium tier 1,000,000 1,000,000
· per 1 day
Additional messages per unit per day (Free) per-unitFree
Additional messages per unit per day for Free tier 0 0
· per 1 day

Work with this as data

Every rate limit 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 rate limits

4 MCP tools reach this
  • find_rate_limitsBrowse and filter every rate limit in the catalog.
  • 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 rate limit 
curl "https://apis.io/api/v1/rate-limits/microsoft-azure-web-pubsub-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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