Timeouts and Limits

Some API families, such as SLAS and Omnichannel Inventory (OCI), do not have gateway timeouts.

TypeTimeoutHTTP status code if exceededCustomizable
API Client → SCAPI Gateway
Connection Idle400s-No
SCAPI > Troubleshoot > (default) Timeouts
Shopper-API Read/Write10s504Yes
Custom-API Read/Write (Shopper)10s504Yes. For details, see Timeouts API and Custom API Limitations.
Custom-API Read/Write (Admin)60s504Yes. For details, see Timeouts API and Custom API Limitations.
Admin-API Read/Write60s504Yes. For details, see Timeouts API.
Hook Execution (per hook)
Shopper-API10s500Yes
Admin-API60s500Yes

SCAPI enforces the following request and response size constraints to ensure optimal performance and system stability.

TypeLimitHTTP status code if exceededCustomizable
SCAPI > Troubleshoot > Request and Response Constraints
Max. request line (URL) and headers24kB400No
Max request payload5MB413No
Max response payload10MB500No
Script API - Quotas (Hooks & Custom APIs)
Default limitAPI Quotas400Yes. For details, see Implement Quota Overrides
Storefront LimitAPI Quotas400Yes. For details, see Implement Quota Overrides
Hook Circuit Breaker
50 hook errors within last 100 requestsOCAPI Hook Circuit Breaker503No