Interswitch Security Headers ArticlesIntroduction Design Overview Authentication HTTP Headers for Authentication Realm Header Computation Authorization Computation Signature Computation Communication HTTP Response Code HTTP Error Codes Interswitch Response Code Sample Code Strong Authentication API Introduction Webservice API Appendix FAQ Doc navigation← CollegePAY WEBInterswitch Payment Gateway - API/Web Implementation → Was this article helpful to you? Yes 2 No 1 How can we help? Name Email subject message