Repositories list

• open-banking-us-openapi

  Public
  The OpenAPI specification for Mastercard Open Banking APIs (🇺🇸), along with a suite of tests using a generated API client and the Test Drive sandbox.

  apiopenapimastercard+ 3

  apiopenapimastercardfinicityopenbankingopenapi-generator

  Java

  •

  Apache License 2.0

  •7474 forks•5555 stars•66 issues•22 pull requests•Updated May 1, 2026May 1, 2026

• oauth2-client-java

  Public
  Access Mastercard APIs with OAuth 2.0 and FAPI 2.0

  oauth2mastercardfapi+ 2

  oauth2mastercardfapiclient-credentials-flowfapi2

  Java

  •

  Other

  •00 forks•33 stars•00 issues•33 pull requests•Updated Apr 29, 2026Apr 29, 2026

• flow

  Public
  Testing framework

  javatesting

  javatesting

  Java

  •

  Apache License 2.0

  •2020 forks•2424 stars•3737 issues•2020 pull requests•Updated Apr 27, 2026Apr 27, 2026

• insomnia-plugin-mastercard

  Public
  An Insomnia plugin for handling authentication and encryption for consuming Mastercard APIs.

  oauth2encryptionoauth1+ 7

  oauth2encryptionoauth1jwemastercardinsomniaoauth1afapiinsomnia-pluginsfapi2

  JavaScript

  •

  Apache License 2.0

  •2828 forks•5151 stars•00 issues•77 pull requests•Updated Apr 23, 2026Apr 23, 2026

• promotions-digital-enablement-reference-app

  Public
  Demonstrates how clients can consume Promotions Digital Enablement API which support different promotions activities to Mastercard Network.

  Java

  •

  Apache License 2.0

  •88 forks•11 star•00 issues•55 pull requests•Updated Apr 16, 2026Apr 16, 2026

• developers-agent-toolkit

  Public
  The Mastercard Developers Agent Toolkit allows popular agent frameworks to integrate with Mastercard Developers Platform for service discovery and integration g…

  apiworkflowtypescript+ 9

  apiworkflowtypescriptmcpvscodecursordevelopersclaudellmgenerative-ai+ 2

  TypeScript

  •

  MIT License

  •2323 forks•4646 stars•00 issues•88 pull requests•Updated Apr 16, 2026Apr 16, 2026

• oauth2-client-js

  Public
  Access Mastercard APIs with OAuth 2.0 and FAPI 2.0

  oauth2mastercardfapi+ 2

  oauth2mastercardfapiclient-credentials-flowfapi2

  TypeScript

  •

  Other

  •00 forks•55 stars•00 issues•99 pull requests•Updated Apr 15, 2026Apr 15, 2026

• connect-transfer-ios-sdk

  Public
  Objective-C

  •

  MIT License

  •11 fork•11 star•00 issues•11 pull request•Updated Apr 15, 2026Apr 15, 2026

• connect-transfer-react-native-sdk

  Public
  React Native project for PDS/BPS Support

  TypeScript

  •

  MIT License

  •00 forks•00 stars•00 issues•88 pull requests•Updated Apr 14, 2026Apr 14, 2026

• p11perftest

  Public
  Utility to benchmark speed of operations of a PKCS#11 implementation.

  benchmarkinghsmperformance-analysis+ 3

  benchmarkinghsmperformance-analysispkcs11performance-testingpkcs11-tool

  C++

  •

  Apache License 2.0

  •44 forks•1313 stars•00 issues•22 pull requests•Updated Apr 13, 2026Apr 13, 2026

• oauth1-signer-python

  Public
  Python library for generating a Mastercard API compliant OAuth signature.

  pythonopenapipython3+ 3

  pythonopenapipython3oauth1mastercardoauth1a

  Python

  •

  MIT License

  •2222 forks•3030 stars•00 issues•00 pull requests•Updated Apr 13, 2026Apr 13, 2026

• carbon-calculator-reference-app-IN

  Public
  Carbon Calculator reference application for India region.

  Java

  •

  Apache License 2.0

  •11 fork•11 star•00 issues•66 pull requests•Updated Apr 10, 2026Apr 10, 2026

• oauth1-signer-nodejs

  Public
  Zero dependency library for generating a Mastercard API compliant OAuth signature.

  nodejsjavascriptopenapi+ 3

  nodejsjavascriptopenapioauth1mastercardoauth1a

  JavaScript

  •

  MIT License

  •1818 forks•3939 stars•11 issue•11 pull request•Updated Apr 10, 2026Apr 10, 2026

• oauth1-signer-go

  Public
  Library for generating a Mastercard API compliant OAuth signature.

  gogolangopenapi+ 3

  gogolangopenapioauth1mastercardoauth1a

  Go

  •

  MIT License

  •1414 forks•2323 stars•00 issues•11 pull request•Updated Apr 8, 2026Apr 8, 2026

• oauth1-signer-java

  Public
  Zero dependency library for generating a Mastercard API compliant OAuth signature.

  javaopenapioauth1+ 2

  javaopenapioauth1mastercardoauth1a

  Java

  •

  MIT License

  •4141 forks•6767 stars•00 issues•00 pull requests•Updated Apr 7, 2026Apr 7, 2026

• carbon-calculator-reference-app

  Public
  Carbon Calculator Reference Application

  Java

  •

  Apache License 2.0

  •2828 forks•77 stars•00 issues•55 pull requests•Updated Mar 31, 2026Mar 31, 2026

• made

  Public
  The Mastercard Adaptive Design Ecosystem, known as Made, is a family of web and mobile design systems.

  MDX

  •

  Other

  •00 forks•1818 stars•66 issues•1212 pull requests•Updated Mar 30, 2026Mar 30, 2026

• client-encryption-nodejs

  Public
  Library for Mastercard API compliant payload encryption/decryption.

  nodejsjavascriptencryption+ 5

  nodejsjavascriptencryptionopenapifledecryptionmastercardfield-level-encryption

  JavaScript

  •

  MIT License

  •2727 forks•4343 stars•00 issues•11 pull request•Updated Mar 30, 2026Mar 30, 2026

• terraform-provider-restapi

  Public
  A terraform provider to manage objects in a RESTful API

  Go

  •

  Apache License 2.0

  •251251 forks•915915 stars•3939 issues•1313 pull requests•Updated Mar 19, 2026Mar 19, 2026

• client-encryption-java

  Public
  Library for Mastercard API compliant payload encryption/decryption.

  javaencryptionopenapi+ 5

  javaencryptionopenapijwefledecryptionmastercardfield-level-encryption

  Java

  •

  MIT License

  •9494 forks•130130 stars•00 issues•00 pull requests•Updated Mar 18, 2026Mar 18, 2026

• client-encryption-csharp

  Public
  Library for Mastercard API compliant payload encryption/decryption.

  encryptioncsharpopenapi+ 7

  encryptioncsharpopenapinetcorejwefledecryptionmastercardnetstandard13field-level-encryption

  C#

  •

  MIT License

  •2323 forks•3131 stars•00 issues•11 pull request•Updated Mar 18, 2026Mar 18, 2026

• crossborder-services-oauth2-reference-app

  Public
  Java

  •

  Other

  •44 forks•11 star•00 issues•88 pull requests•Updated Mar 13, 2026Mar 13, 2026

• crossborder-services-reference-app

  Public
  Demonstrates how Cross-border APIs can be used for the supported transaction types.

  Java

  •

  MIT License

  •1010 forks•77 stars•00 issues•99 pull requests•Updated Mar 13, 2026Mar 13, 2026

• postman-encryption-lib

  Public
  Library for encrypting mastercard api requests in postman

  JavaScript

  •

  MIT License

  •11 fork•00 stars•00 issues•44 pull requests•Updated Feb 13, 2026Feb 13, 2026

• petstore-application-java

  Public
  Java

  •

  Other

  •55 forks•11 star•00 issues•11 pull request•Updated Feb 12, 2026Feb 12, 2026

• pkcs11-tools

  Public
  A set of tools to manage objects on PKCS#11 cryptographic tokens. Compatible with many PKCS#11 library, including major HSM brands, NSS and softoken.

  windowsmacoslinux+ 13

  windowsmacoslinuxcertificatex509bsdsolarisaixpkcs11pkcs+ 6

  C

  •

  Other

  •4040 forks•213213 stars•22 issues•11 pull request•Updated Feb 9, 2026Feb 9, 2026

• connect-components-web-sdk

  Public
  JavaScript

  •

  MIT License

  •00 forks•00 stars•00 issues•22 pull requests•Updated Feb 7, 2026Feb 7, 2026

• mangos

  Public
  Shell

  •33 forks•22 stars•1313 issues•11 pull request•Updated Jan 29, 2026Jan 29, 2026

• connect-react-native-sdk

  Public
  mastercardopenbanking

  mastercardopenbanking

  TypeScript

  •

  MIT License

  •33 forks•11 star•00 issues•11 pull request•Updated Jan 21, 2026Jan 21, 2026

• client-encryption-go

  Public
  Library for Mastercard API compliant payload encryption/decryption.

  goencryptionopenapi+ 4

  goencryptionopenapijwefledecryptionmastercard

  Go

  •

  MIT License

  •1313 forks•2020 stars•00 issues•11 pull request•Updated Jan 16, 2026Jan 16, 2026