Deep dives into the exact mechanics behind a specific feature, for integrators who already have a working sandbox integration from the quickstarts above. This is additional material on top of the public API reference, quickstarts, and sandbox examples, not a replacement for them.
These guides are hosted on, and gated by, the Nexiel customer dashboard at dashboard.nexiel.io, the same secure sign-in that already protects your API keys, KYB status, and request history. Clicking a guide below takes you to sign-in if you are not already logged in there.
The exact HMAC-SHA256 scheme behind the X-Nexiel-Signature header, a working verification code sample, retry/backoff behavior, and precisely what counts as a duplicate request under Idempotency-Key.
Read the guide (dashboard sign-in required) →