Azure SignalR Service · Rate Limits

Microsoft Azure Signalr Rate Limits

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

It captures 8 rate-limit definitions, including Concurrent connections per unit (Free) — Concurrent connections per unit for Free tier; Concurrent connections per unit (Standard/Premium) — Concurrent connections per unit for Standard/Premium tier; Included messages per unit per day (Free) — Included messages per unit per day for Free tier.

Tagged areas include Real-Time, WebSocket, SignalR, Messaging, and Push.

8 Limits
Transcribed from the provider's documentation on 2026-11-05 — learn.microsoft.com/en-us/azure/azure-resource-manager/ma....
View Source
Real-TimeWebSocketSignalRMessagingPush

Limits

Concurrent connections per unit (Free) per-unitFree
Concurrent connections per unit for Free tier
Concurrent connections per unit (Standard/Premium) per-unitStandard/Premium
Concurrent connections per unit for Standard/Premium tier
Included messages per unit per day (Free) per-unitFree
Included messages per unit per day for Free tier
· per 1 day
Included messages per unit per day (Standard/Premium) per-unitStandard/Premium
Included messages per unit per day for Standard/Premium tier
· per 1 day
Units per subscription per region (Free) per-subscription-regionFree
Azure SignalR Service units per subscription per region for Free tier
Total units per subscription per region per-subscription-region
Total Azure SignalR Service unit counts per subscription per region
default 150, maximum Unlimited
Data-plane REST request header size per-request
Header size is a maximum of 16 KB.
Data-plane REST request body size per-request
Body size is a maximum of 1 MB.

Sources

Work with this as data

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

MCP server

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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-signalr-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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