InstantDB · Rate Limits

Instantdb Rate Limits

InstantDB advertises unlimited API requests on every plan, so the primary hard limits are storage-based (1GB Free, 10GB Pro, 250GB Startup) rather than per-minute request quotas. Instant operates platform-level abuse and fair-use protections on the Admin HTTP API and the realtime sync WebSocket; specific numeric throttles are not published. Per-tier and per-endpoint values are not reconciled in this artifact.

Instantdb Rate Limits is the machine-readable rate-limit profile for InstantDB on the APIs.io network, conforming to the API Commons Rate Limits specification.

It captures 5 rate-limit definitions, measuring requests, storage, connections, and seats.

The profile also includes 2 backoff/retry policies defined and response codes documented for throttled.

Tagged areas include Database, Realtime, Sync, Backend, and Local First.

5 Limits Throttle: 429
DatabaseRealtimeSyncBackendLocal FirstRate LimitingQuotasThrottling

Limits

API Requests app
requests
unlimited (per published plans)
All plans advertise unlimited API requests; no per-minute request cap is published.
Database Storage app
storage
1GB Free / 10GB Pro / 250GB Startup
Storage is the primary enforced ceiling; overage billed at $0.125 per GB on paid tiers.
Admin HTTP API app
requests
see provider documentation
Fair-use / abuse protections apply to api.instantdb.com; specific numbers not published.
Realtime Sync WebSocket app
connections
see provider documentation
Concurrent WebSocket connections to /runtime/session are subject to platform fair-use.
Team Members app
seats
1 Free / 10 Pro / unlimited Startup
Seat limits per app vary by plan.

Policies

Storage-Based Tiers
Ceilings scale with plan storage allotment rather than request-rate quotas.
Backoff Strategy
Clients should implement exponential backoff with jitter and honor Retry-After on 429.

Sources