Popular TPAPs in India include Google Pay, PhonePe, Paytm, and Amazon Pay, which offer seamless UPI transactions to millions of users. To become a TPAP, entities must meet NPCI’s eligibility norms, ensure secure infrastructure, and undergo compliance checks. https://indore.craigslist.org/lgs/d/upi-tpap-third-party-application/7843563446.html