generated: '2026-07-17'
method: searched
source: >-
  Public package registries (npm, PyPI, RubyGems, Packagist, Maven Central,
  CocoaPods) and the payjp GitHub org (https://github.com/payjp). All libraries
  below are authored/published by PAY.JP (PAY, Inc.) and are first-party.
packages:
  - language: javascript
    registry: npm
    name: payjp
    url: https://www.npmjs.com/package/payjp
    version: 3.1.2
    install: npm install payjp
    repo: https://github.com/payjp/payjp-node
    official: true
    note: Server-side Node.js / TypeScript SDK (author PAY.JP <support@pay.jp>).
  - language: python
    registry: pypi
    name: payjp
    url: https://pypi.org/project/payjp/
    version: 1.6.1
    install: pip install payjp
    repo: https://github.com/payjp/payjp-python
    official: true
    note: PAY.JP Python bindings.
  - language: ruby
    registry: rubygems
    name: payjp
    url: https://rubygems.org/gems/payjp
    version: 1.1.7
    install: gem install payjp
    repo: https://github.com/payjp/payjp-ruby
    official: true
    note: Ruby gem, ~1.9M downloads.
  - language: php
    registry: packagist
    name: payjp/payjp-php
    url: https://packagist.org/packages/payjp/payjp-php
    version: 1.8.0
    install: composer require payjp/payjp-php
    repo: https://github.com/payjp/payjp-php
    official: true
    note: Payjp PHP Library.
  - language: java
    registry: maven-central
    name: jp.pay:payjp-java
    url: https://central.sonatype.com/artifact/jp.pay/payjp-java
    version: 0.8.0
    install: "implementation 'jp.pay:payjp-java:0.8.0'"
    repo: https://github.com/payjp/payjp-java
    official: true
    note: Server-side Java SDK.
  - language: kotlin
    registry: maven-central
    name: jp.pay:payjp-android
    url: https://central.sonatype.com/artifact/jp.pay/payjp-android
    version: 2.2.0
    install: "implementation 'jp.pay:payjp-android:2.2.0'"
    repo: https://github.com/payjp/payjp-android
    official: true
    note: >-
      Android SDK (client-side tokenization). Companion artifacts under jp.pay:
      payjp-android-core, -cardform, -cardio, -coroutine, -verifier.
  - language: swift
    registry: cocoapods
    name: PAYJP
    url: https://cocoapods.org/pods/PAYJP
    install: "pod 'PAYJP'"
    repo: https://github.com/payjp/payjp-ios
    official: true
    note: iOS SDK (client-side tokenization, Apple Pay).
  - language: go
    registry: github
    name: github.com/payjp/payjp-go
    url: https://github.com/payjp/payjp-go
    install: go get github.com/payjp/payjp-go/v1
    repo: https://github.com/payjp/payjp-go
    official: true
    note: Go SDK (module distributed via GitHub, not a central registry).
  - language: perl
    registry: github
    name: payjp-perl
    url: https://github.com/payjp/payjp-perl
    repo: https://github.com/payjp/payjp-perl
    official: true
    note: Perl bindings (source-only on GitHub).
client_side:
  - name: payjp.js
    url: https://js.pay.jp/
    note: Browser tokenization library (loaded from https://js.pay.jp/v2/pay.js).
  - name: Checkout
    url: https://checkout.pay.jp/
    note: Hosted, drop-in payment form / button.