bopen

MOCK MERCHANT HARNESS

Transaction parameters

Amount (£)Currency

Idempotency key

Merchant ID (X-Merchant-Client-Id)

Select simulated bank

( ) Monzo( ) Barclays( ) NatWest

Auto-redirect to mock bank on successUse full SCA simulation (/dev/mock-bank-sca login + OTP)

Disable auto-redirect to test idempotency: click Initiate twice with the same key and confirm HTTP 200 + same payment_id.

POST https://api.app.bopen.tech/api/v1/payments

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