Installation

This guide will help you add Payper to your Java project using Maven or Gradle.

Prerequisites

• Java 17 or higher - Payper is tested on Java LTS releases 17, 21, and 25
• Maven 3.6+ or Gradle 7.0+ - Your build tool of choice

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Maven Installation

Payper is available on Maven Central. Add the appropriate dependency for the PayPal API you want to use.

Orders API

MavenGradle (Groovy)Gradle (Kotlin)

<dependency>
    <groupId>io.github.eealba.payper</groupId>
    <artifactId>payper-orders-v2</artifactId>
    <version>1.0.0</version>
</dependency>

implementation 'io.github.eealba.payper:payper-orders-v2:1.0.0'

implementation("io.github.eealba.payper:payper-orders-v2:1.0.0")

Subscriptions API

MavenGradle (Groovy)Gradle (Kotlin)

<dependency>
    <groupId>io.github.eealba.payper</groupId>
    <artifactId>payper-subscriptions-v1</artifactId>
    <version>1.0.0</version>
</dependency>

implementation 'io.github.eealba.payper:payper-subscriptions-v1:1.0.0'

implementation("io.github.eealba.payper:payper-subscriptions-v1:1.0.0")

Payments API

MavenGradle (Groovy)Gradle (Kotlin)

<dependency>
    <groupId>io.github.eealba.payper</groupId>
    <artifactId>payper-payments-v2</artifactId>
    <version>1.0.0</version>
</dependency>

implementation 'io.github.eealba.payper:payper-payments-v2:1.0.0'

implementation("io.github.eealba.payper:payper-payments-v2:1.0.0")

Invoices API

MavenGradle (Groovy)Gradle (Kotlin)

<dependency>
    <groupId>io.github.eealba.payper</groupId>
    <artifactId>payper-invoices-v2</artifactId>
    <version>1.0.0</version>
</dependency>

implementation 'io.github.eealba.payper:payper-invoices-v2:1.0.0'

implementation("io.github.eealba.payper:payper-invoices-v2:1.0.0")

Catalog Products API

MavenGradle (Groovy)Gradle (Kotlin)

<dependency>
    <groupId>io.github.eealba.payper</groupId>
    <artifactId>payper-catalog-products-v1</artifactId>
    <version>1.0.0</version>
</dependency>

implementation 'io.github.eealba.payper:payper-catalog-products-v1:1.0.0'

implementation("io.github.eealba.payper:payper-catalog-products-v1:1.0.0")

Webhooks API

MavenGradle (Groovy)Gradle (Kotlin)

<dependency>
    <groupId>io.github.eealba.payper</groupId>
    <artifactId>payper-webhooks-v1</artifactId>
    <version>1.0.0</version>
</dependency>

implementation 'io.github.eealba.payper:payper-webhooks-v1:1.0.0'

implementation("io.github.eealba.payper:payper-webhooks-v1:1.0.0")

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Next Steps

• Quick Start Guide - Learn how to make your first API call
• Authentication - Configure your PayPal credentials
• API Documentation - Explore available APIs