API Reference

Outbound: Application status change

post
https://api-bnpl-wl.sandbox.open-co.tech/x-outbound-webhook-application-status

Direction: Outbound (BNPL WL → Partner). This is NOT a callable API endpoint — it documents the payload we send to your configured webhook_url.

Sent to your webhook_url when an application transitions to a new status. Triggered on key transitions: APPLICATION_DECLINED (after credit evaluation) and FUNDED (after disbursement).

Headers sent:

HeaderDescription
Content-Typeapplication/json
X-Webhook-Signaturebase64url ECDSA signature of the body (verify with our public key)

Your endpoint must:

  • Return HTTP 2xx within 10 seconds
  • Be idempotent (you may receive the same event more than once)
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Body Params
string
enum
Allowed:
uuid
string
enum

New application status

Allowed:
string | null

Previous status before transition (included when available)

string | null

Merchant order reference

date-time

Timestamp of the status change

string

Base64url ECDSA-P521-SHA256 signature of the request body. Identical to the X-Webhook-Signature header — included in the body as a convenience for partners whose infrastructure strips custom headers.

Response
200

Your endpoint should return HTTP 2xx to acknowledge receipt

Updated 19 days ago

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Response
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Updated 19 days ago