Supabase · Rate Limits

Supabase Rate Limits

Supabase rate limits per-project.

Supabase Rate Limits is the machine-readable rate-limit profile for Supabase on the APIs.io network, in the API Commons Rate Limits shape.

It captures 8 rate-limit definitions, measuring signups_per_hour, emails_per_hour, concurrent, messages_per_second, and concurrent_invocations.

An exhausted limit returns HTTP 429.

This profile was written by API Evangelist and has not been verified against a page the provider published; treat every limit as unconfirmed until a dated transcription replaces it.

The profile also includes response codes documented for throttled.

Tagged areas include Rate Limiting, Postgres, and Auth.

8 Limits Exhausted: HTTP 429
Method: generated, dated 2026-05-04.
Written by API Evangelist on 2026-05-04 and not verified against a page the provider published. Treat every limit as unconfirmed until a dated transcription replaces it.
View Source
Rate LimitingPostgresAuth

Limits

Auth signups (Free) project
signups_per_hour · hour
30
Auth signups (Pro) project
signups_per_hour · hour
150
Auth email send (default SMTP) project
emails_per_hour · hour
4
Realtime concurrent connections (Free) project
concurrent
200
Realtime concurrent connections (Pro) project
concurrent
500
Realtime messages/sec (Free) project
messages_per_second
100
Realtime messages/sec (Pro) project
messages_per_second
500
Edge Function invocations project
concurrent_invocations
50

Sources

Work with this as data

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

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

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