# PayLater Docs

> The PayLater API lets you build Buy Now, Pay Later into any checkout in Qatar: payment links, POS request-to-pay, refunds and real-time webhooks, plus plugins for Magento, WooCommerce, Shopify, Odoo and OpenCart.

Markdown versions of every page are linked below. The whole site in one file is at [llms-full.txt](https://docs.paylaterapp.com/llms-full.txt). Sandbox base URL: `https://connect.uat.paylaterapp.com`. Production base URL: `https://connect.paylaterapp.com`.

## Getting Started

- [Introduction](https://docs.paylaterapp.com/index.md): The PayLater API lets you build Buy Now, Pay Later into any checkout in Qatar: payment links, POS request-to-pay, refunds and real-time webhooks, plus plugins for Magento, WooCommerce, Shopify, Odoo and OpenCart.
- [Quickstart](https://docs.paylaterapp.com/quickstart.md): From zero to your first PayLater payment link in the sandbox.
- [Authentication](https://docs.paylaterapp.com/authentication.md): Exchange your client credentials for an OAuth 2.0 bearer token.
- [Test environment](https://docs.paylaterapp.com/test-environment.md): Sandbox credentials, test shoppers, and test cards for the PayLater sandbox.
- [Postman collection](https://docs.paylaterapp.com/postman.md): Download the official PayLater API Postman collection and environments — every endpoint, with the OAuth token saved automatically and ready-to-run sandbox variables.
- [Use with AI assistants](https://docs.paylaterapp.com/ai-assistants.md): Point Claude Code, Codex, Cursor and chat assistants at the PayLater docs with llms.txt, Markdown copies of every page and paste-ready instructions.

## API Reference

- [Generate Payment Link](https://docs.paylaterapp.com/generate-payment-link.md): Create a hosted PayLater checkout link and redirect the shopper to complete a Buy Now, Pay Later payment.
- [Request to Pay (POS)](https://docs.paylaterapp.com/request-to-pay.md): Push a payment request to a registered shopper’s PayLater app — built for the point of sale.
- [Check Payment Status](https://docs.paylaterapp.com/check-payment-status.md): Poll the live status of any PayLater order by its merchant order ID.
- [Get Shopper Information](https://docs.paylaterapp.com/get-shopper-information.md): Look up a shopper’s PayLater spending limit by mobile number and email.
- [Get Transaction by Order ID](https://docs.paylaterapp.com/get-transaction-by-order-id.md): Retrieve full customer, loan, and status details for a single PayLater order.
- [Get Transactions](https://docs.paylaterapp.com/get-transactions.md): Retrieve a paginated, filterable list of your PayLater transactions.
- [Full Refund](https://docs.paylaterapp.com/full-refund.md): Refund an entire PayLater order within the refund window.
- [Partial Refund](https://docs.paylaterapp.com/partial-refund.md): Refund part of a PayLater order within the refund window.

## Webhooks

- [Webhooks](https://docs.paylaterapp.com/webhooks.md): Receive signed, real-time PayLater notifications when an order's status changes, and verify them with HMAC SHA-256.

## Errors

- [Error handling & response codes](https://docs.paylaterapp.com/errors.md): How PayLater reports errors, plus the common response codes and refund/status codes you’ll encounter.

## Plugins & Platforms

- [Magento 2 BNPL plugin setup](https://docs.paylaterapp.com/magento.md): Install and configure the PayLater Buy Now, Pay Later plugin for Adobe Commerce / Magento 2 — step by step, with screenshots.
- [WooCommerce BNPL plugin setup](https://docs.paylaterapp.com/woocommerce.md): Install and configure the PayLater Buy Now, Pay Later plugin for WooCommerce / WordPress — step by step, with screenshots.
- [Shopify BNPL payment method setup](https://docs.paylaterapp.com/shopify.md): Integrate the PayLater Buy Now, Pay Later plugin into your Shopify store — manual setup, step by step, with screenshots.
- [Odoo 18 BNPL payment provider setup](https://docs.paylaterapp.com/odoo.md): Install and configure the PayLater Buy Now, Pay Later plugin for your Odoo online store — step by step, with screenshots.
- [OpenCart 4 BNPL extension setup](https://docs.paylaterapp.com/opencart.md): Install and configure the PayLater Buy Now, Pay Later plugin for OpenCart — step by step, with screenshots.

## Go Live

- [Production checklist](https://docs.paylaterapp.com/go-live.md): Move your PayLater integration from sandbox to production.

## Release Notes

- [Release Notes](https://docs.paylaterapp.com/release-notes.md): Versioned release notes for the PayLater API and commerce plugins — what changed, when, and which package to download.