Lushai Dev.
UPI & Paytm Merchant Collection API

PayTM Gateway by Lushai Dev

UPI payment collection gateway with instant order session creation, dynamic payment URL generation, real-time status verification, and sub-500ms HMAC webhooks.

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< 500ms Webhooks

Real-time HTTP callbacks notify your store server within 500 milliseconds of customer payment confirmation.

HMAC-SHA256 Signatures

Cryptographically signed payloads prevent tampering and guarantee authenticity on every incoming webhook.

Dynamic Checkout Links

Direct customer redirection to responsive hosted checkout pages with QR codes and native UPI app triggers.

Payment Lifecycle Pipeline

End-to-End Transaction Flow

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Integration Endpoints & Schemas

Base URL: https://paytm.lushai.dev/api

POST /api/create-order.php
curl -X POST https://paytm.lushai.dev/api/create-order.php \
  -H "Content-Type: application/json" \
  -d '{
    "user_token": "YOUR_MERCHANT_TOKEN",
    "amount": "100.00",
    "order_id": "ORD123456",
    "customer_mobile": "9876543210",
    "redirect_url": "https://yourwebsite.com/callback",
    "remark1": "order_checkout",
    "remark2": "session_ref"
  }'

# Response (201 Created):
{
  "status": true,
  "message": "Order Created Successfully",
  "result": {
    "orderId": "ORD123456",
    "payment_url": "https://paytm.lushai.dev/pay/instant-pay/329f10a842b109c847"
  }
}

Frequently Asked Questions

Order sessions, webhook verification, and UPI settlement.

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