A Ruby implementation for securely decrypting Google Pay PaymentMethodTokens using ECv2 protocol. Supports key rotation and multiple merchant configurations.

Peoples Payments Ruby Client

This gem helps to simplify the integration to Powerpay21 Payment gateway for Ruby applications

Ruby library for integrating with the MundiPagg payment web services

A gem for alipay, contains mobile payment

Rails integration for Tamara payment solution.

SDK Integration with Apolopag Payment

Integration with Balanced Payments on dune-investissement specifically with Bank Accounts.

DTA is a fileformat used by e.g. german banks to transmit payment informations. It has been replaced by SEPA nowadays but is still used at some places.

a mortgage calculator that enables a user to input an extra amount to current monthly payment to see in how many fewer months mortgage will be paid off.

Doku Payment Gateway for ruby (rails)

Unofficial fork. Integrate with the Fat Zebra internet payment gateway (www.fatzebra.com.au), including purchase, refund, auth, capture and recurring billing functionality.

Connect to the EML payments APIs and Transaction Notification Serices

This gem contains class for scheme, mandate, direct debit, payment schedules and account info

None of current gems cover advanced payments, so here we go.

Ruby SDK for working with Paylike payment services.

API client library for DIDWW payment gateway (UPS)

Whalestack SDK. Programmatically accept and settle payments in digital currencies.

This product is used for managing payments under The Yandex.Checkout API For usage by those who implemented Yandex.Checkout using the API method.

DIBS payment gateway library