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API endpoints

Authentication: pass your API key in the x-api-key header. Request a key. Pin a version with x-api-version: 2026-04.blanc — see API versioning.

Key endpoints

Supported chains

See Supported chains for the full list with token addresses.

Account types

Transaction path

The default transaction path is Warp (native relay). ERC-4337 userops are opt-in.

Common error codes

All non-2xx responses share the envelope { code, message, traceId, details? }. Switch on code. See Error handling and the versioning guide for the full list.

Intent status values

See Tracking intents for more details on the lifecycle.

SDK install