The Electrum QR Payment Service Interface is a RESTful HTTP based messaging protocol, intended to provide retailers and partners with a framework to facilitate QR code payments.
The Electrum QR Payment Service Interface is licensed under an Apache 2.0 license.
The Electrum implementation of the Electrum QR Payment Service Interface is written in Java. If you are planning a Java implementation of the Electrum QR Payment Service Interface, then it is highly recommended that you include the Electrum Payment QR Service Interface as a dependency in your project to save you from having to re-implement the interface. This can be done using the following Maven dependency:
<dependency> <groupId>io.electrum</groupId> <artifactId>qr-payment-service-interface</artifactId> <version>1.1.0</version> </dependency>
The Electrum QR Payment Service Interface is described as a Swagger (OpenApi) document. It is highly recommended that widely available swagger tooling is used to generate a project in your preferred language as a starting point to a new integration project.