{ "opencollection": "1.0.0", "info": { "name": "Fiserv BankingHub 3-D Secure Authorization API", "version": "1.0.0" }, "request": { "auth": { "type": "bearer", "token": "{{bearerToken}}" } }, "items": [ { "info": { "name": "Authorization", "type": "folder" }, "items": [ { "info": { "name": "Fiserv Authorize a payment transaction", "type": "http" }, "http": { "method": "PUT", "url": "https://cert.api.fiservapps.com/auth", "body": { "type": "json", "data": "{}" } }, "docs": "Submits an authorization request to process a payment. The authorization verifies the cardholder account and places a hold on funds. The response includes a retref (retrieval reference number) used for subsequent capture, void, or refund operations." } ] } ], "bundled": true }