
Android Studio Java Client
RA PAY BD Android Studio Java Client for payment creation, transaction verification, device connection, stored data and API integration.
Download ModuleDownload administrator-published integration modules, use the supported public API endpoints and get the official Android application from one organized developer workspace.
RA PAY BD rapaybd.com Modules published by the administrator remain available here for future downloads.

RA PAY BD Android Studio Java Client for payment creation, transaction verification, device connection, stored data and API integration.
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RA PAY BD C# Client for payment creation, transaction verification, device connection, stored data and API integration.
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RA PAY BD CodeIgniter Service for payment creation, transaction verification, device connection, stored data and API integration.
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RA PAY BD Go Client for payment creation, transaction verification, device connection, stored data and API integration.
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RA PAY BD JavaScript Fetch Client for payment creation, transaction verification, device connection, stored data and API integration.
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RA PAY BD Laravel Service for payment creation, transaction verification, device connection, stored data and API integration.
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RA PAY BD Node.js Client for payment creation, transaction verification, device connection, stored data and API integration.
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RA PAY BD PHP Module for payment creation, transaction verification, device connection, stored data and API integration.
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RA PAY BD Python Client for payment creation, transaction verification, device connection, stored data and API integration.
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RA PAY BD REST / cURL Examples for payment creation, transaction verification, device connection, stored data and API integration.
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RA PAY BD WooCommerce Gateway for payment creation, transaction verification, device connection, stored data and API integration.
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RA PAY BD WordPress Plugin for payment creation, transaction verification, device connection, stored data and API integration.
Download ModuleOnly integration-facing endpoints are documented here. Secret keys and internal administration endpoints are never exposed.
Create a payment request. Authenticate with the Brand API key assigned to your account.
https://pay.rapaybd.com/api/payment/createVerify a transaction before marking an order or invoice as paid.
https://pay.rapaybd.com/api/payment/verifyConnect an authorized application device using user email, Device Key and device identifier. Apps may also send manufacturer, device_model, device_name and platform so the user can see the original connected device.
https://rapaybd.com/api/device-connectPush payment messages from an authorized connected device to Stored Data.
https://rapaybd.com/api/add-dataDownload the official Android application directly from the Developer Center.
Payment create and verify requests use your authorized API-KEY header. Device integration uses the customer's email and Device Key. Never hard-code customer credentials into a public repository.
POST https://pay.rapaybd.com/api/payment/createAccept: application/jsonContent-Type: application/jsonAPI-KEY: YOUR_AUTHORIZED_BRAND_KEY