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Documentation Index

Fetch the complete documentation index at: https://developers-sandbox.uqpaytech.com/llms.txt

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Global Acquiring enables you to accept payments from customers worldwide through a single API. It supports online card payments, e-wallet transactions, in-store POS, and hosted checkout flows.

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Key capabilities

  • Multiple integration options — Accept payments via direct API, hosted payment page, POS terminals, or shareable payment links.
  • Card and e-wallet support — Process Mastercard, Visa, UnionPay cards and AlipayCN, AlipayHK, WeChatPay, GrabPay and more e-wallets.
  • 3D Secure — Built-in 3DS authentication to reduce fraud and meet regional compliance requirements.
  • Payment lifecycle management — Handle refunds, cancellations, and settlement reconciliation through the API.
  • Sandbox environment — Test your integration with dedicated test cards and e-wallet sandbox accounts before going live.

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Get started

Quickstart

Accept your first card payment in the sandbox in a few API calls.

Core concepts

Understand Payment Intents and Payment Attempts, the building blocks of the acquiring system.

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Build your integration

Direct API

Build a custom checkout by creating payment intents and handling payment attempts directly via API.

Hosted payment page

Redirect customers to a UQPAY-hosted checkout page. Minimal integration effort with no PCI scope on your end.

3DS - Option 1

Add 3DS authentication to card payments using integration option 1.

3DS - Option 2

Add 3DS authentication to card payments using integration option 2.

POS API

Process in-store payments through physical POS terminals.

Payment links

Generate shareable payment links without any frontend integration.

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Manage and test

Refunds

Issue full or partial refunds against completed payments.

Cancellations

Cancel a payment intent before it reaches a final state.

Settlement reports

Download and reconcile settlement data for completed transactions.

Testing in sandbox

Test cards, e-wallet sandbox setup, and go-live checklist.