1. Pay In
Lesspay2.0
  • LESSPAY2 API Reference
    • Get started
    • Authentication
    • Parameter Specifications
    • Pay In
      • Overview
      • Development Guidelines
      • Local Payment Methods (LPMs)
      • Error Codes
      • Card payment
        • Card Payment
        • 3D Secure (3DS) Configuration
        • Fraud & Dispute Webhook Notifications
      • API List
        • Create Payin
        • Fetch Payin
      • Webhook
        • Payin webhook
    • Pay Out
      • Overview
      • Development Guidelines
      • Multiple Transfer Methods
      • Error Codes
      • API List
        • Create Payout
        • Payout Supported Banks
        • Fetch Payout
      • Webhook
        • Payout webhook
  1. Pay In

Overview

The Pay In API allows merchants to accept payments from users. It supports creating orders, handling payments via a checkout page or API, and receiving asynchronous notifications upon payment completion.

Flow#

0.
Onboarding: Contact Lesspay Product Operations to apply for merchant qualification and obtain your APPID and appSecret.
1.
Create Order: Merchant initiates a create order request.
2.
Payment: User completes payment via the returned checkout URL or parameters.
3.
Notification: Steps 1 & 2 are asynchronous. Once payment is confirmed, Lesspay notifies the merchant via Webhook.
4.
Verification: Merchant can query the order status to verify result.
For a detailed Sequence Diagram, please refer to Pay In Development Guidelines.
Modified at 2025-12-19 06:43:13
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