The spark_api gem handles most of the boilerplate for communicating with the Spark API rest services, including authentication and request parsing.

A Ruby client wrapper for the TestRail API (v2)

A Ruby interface to the Uber API.

For Libraries, a just-in-time last-mile service aggregator, taking OpenURL input

Betterment's library for developing and testing service-oriented apps in isolation with WebMock and Sinatra-based fakes.

A Ruby interface to WhatsApp Enterprise API.

A Ruby wrapper for accessing Yammer's REST API

AppFog.com CLI

Alexa Web Information Service library (AWIS)

Combined events calendar for Google Calendar, iCal, and friends.

Integration with Apple Sign In and Devise for backend. Validate and Verify user token.

This library provides Ruby calls to interact with the Avalara Tax API

A set of helper methods that are webdriven.

BlockScore makes ID verification easier and faster. See https://blockscore.com for more.

Provides ActiveModel compatible wrappers for Braintree models and more.

Wrapper for Braze API

Buffer is an API Wrapper Gem for Bufferapp.com's API

A simple API caching layer built on top of HTTParty and Redis

A simple API caching layer built on top of HTTParty and Redis

Cangaroo helps developers integrating their apps with any service