Error
Webhooks
Create an HMAC-signed builder webhook.
Requires an idempotency key. For 24 hours, an exact retry returns the same encrypted-at-rest one-time secret and endpoint generation. The operation remains a non-reusable tombstone after its secret is scrubbed; retry with a different request or after the replay window returns 409.
POST
Error
Authorizations
Builder identity and quota key. It never substitutes for a wallet session or restricted trading authorization and can never sign or custody assets.
Headers
Required string length:
8 - 128Body
application/json
Last modified on August 11, 2026

