Accept PaymentsServer to ServerOPayAuthentication / Credentials

OPay Authentication / Credentials

OPay requests use the standard SaySwitch API authentication header.

Headers

Authorization: Bearer YOUR_SECRET_KEY
Content-Type: application/json

Keep your secret key private and make OPay requests from your server.

Initialize Endpoint

POST https://backendapi.sayswitchgroup.com/api/s2s/v1/transaction/opay/initialize

Dashboard Configuration

  • Set your webhook URL in your dashboard settings to receive transaction notifications.
  • Without a configured webhook URL, your server will not be notified of completed transactions.