Redirect process is a process after the merchant receives an response from Faspay, the merchant receives TRX_ID (transaction ID) and then the TRX_ID merchant store and perform a redirect.
Endpoint URL Redirect Process
Endpoint URL is used as a feedback URL that will process the data that is redirected from the merchant system. There are two URLs that needs to be used, namely Production and Development. For the implementation of the testing or UAT can use the URL development
Redirect Parameter Request Process
Request parameters are parameters that must be provided by the merchant's system can redirect the system Faspay process.
Transaction ID (Issued/generated by Faspay (Media Indonusa)) Notes: Unique Transaction ID for 1 day or as long as it hasn't been paid and hasn't expired
sha1(md5((user_id + password + bill_no))
Examples hit faspay redirect : https://dev.faspay.co.id/pws/100003/0830000010100000/e0ba1b2dc29ab4cb4221df092f44b1c4e6f45c63?trx_id=3100440033666278&merchant_id=31004&bill_no=31004001
For Two Step Channel redirect is not something that mandatory, you can display the transaction detail at your website with your own design.