# Developer tools

[PHP SDK](https://github.com/ratepay/php-sdk)

With our PHP SDK we provide examples of how to use the PHP Library.

[PHP Library](https://github.com/ratepay/php-library)

With our PHP Library we provide the basic functions of our Payment API 1.8.

[PHP Microservice RAMP](https://github.com/ratepay/ramp)

With our PHP microservice RAMP, we provide a subservice that enables the transmission of operations to Ratepay via JSON objects.

SDK 01
SDK 02
SDK 03
SDK 04
SDK 05