Own Paytm Merchant
Each website owner connects their own MID and merchant key. Money goes to their own Paytm merchant settlement flow.
Generate a unique checkout for each order, show a QR/payment link, verify the transaction server-side and send signed webhooks back to your website.
Each website owner connects their own MID and merchant key. Money goes to their own Paytm merchant settlement flow.
Create orders from PHP, Node, Java, mobile apps or any server that can make HTTPS requests.
HMAC authentication, replay protection, idempotency, exact amount verification and unique provider transaction IDs.