Alchemy · Rate Limits

Alchemy Rate Limits

Alchemy enforces per-second compute-unit throughput plus monthly CU caps. Different methods have different CU costs.

4 Limits Throttle: 429
Web3BlockchainRPCNFTIndexingAccount AbstractionRate Limiting

Limits

Free Throughput api_key
compute_units_per_second
330
Free plan default CU/sec.
Growth Throughput api_key
compute_units_per_second
660
Growth plan CU/sec.
Scale Throughput api_key
compute_units_per_second
1500
Scale plan CU/sec.
Monthly CU Cap account
compute_units
see plan
Monthly compute unit ceiling per plan.

Policies

Backoff Strategy
Exponential backoff with jitter on 429.
CU Budgeting
Track CU consumption per method using the Alchemy dashboard usage tab.

Sources