specification: API Commons Rate Limits
specificationVersion: '0.1'
schema: https://raw.githubusercontent.com/api-evangelist/interface-research/main/schema/api-commons.yml#/$defs/RateLimits
provider: Supabase
providerId: supabase
created: '2026-05-04'
# Provenance stamped 2026-08-11: this artifact was written by the API Evangelist
# bulk sweep dated 2026-05-04, not harvested from the provider. See roadmap#35.
method: generated
modified: '2026-05-04'
reconciled: true
tags:
  - Rate Limiting
  - Postgres
  - Auth
description: Supabase rate limits per-project.
sources:
  - https://supabase.com/pricing
  - https://supabase.com/docs/guides/platform/going-into-prod
headers: {}
responseCodes:
  throttled: 429
limits:
  - name: Auth signups (Free)
    scope: project
    metric: signups_per_hour
    limit: 30
    timeFrame: hour
  - name: Auth signups (Pro)
    scope: project
    metric: signups_per_hour
    limit: 150
    timeFrame: hour
  - name: Auth email send (default SMTP)
    scope: project
    metric: emails_per_hour
    limit: 4
    timeFrame: hour
  - name: Realtime concurrent connections (Free)
    scope: project
    metric: concurrent
    limit: 200
  - name: Realtime concurrent connections (Pro)
    scope: project
    metric: concurrent
    limit: 500
  - name: Realtime messages/sec (Free)
    scope: project
    metric: messages_per_second
    limit: 100
  - name: Realtime messages/sec (Pro)
    scope: project
    metric: messages_per_second
    limit: 500
  - name: Edge Function invocations
    scope: project
    metric: concurrent_invocations
    limit: 50