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Ruby Programming Language and Popular API Gems (ruby)

About this repository

This is not our API. This repository is an independent, third-party profile of a company's publicly available API surface, maintained by API Evangelist. API Evangelist does not operate, host, resell, or support this company's APIs, and is not affiliated with or endorsed by the company unless stated on the profile.

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Full detail: Where this data comes from

A profile of the Ruby programming language ecosystem from an API perspective: the language and its standard library HTTP surface (Net::HTTP), the rubygems.org package registry and its public v1/v2 REST API, Bundler, RBS type signatures, popular HTTP/REST client gems (Faraday, http.rb, HTTParty, Excon, Typhoeus, REST Client, HTTPClient), and the major Ruby frameworks used to build APIs (Rails API mode, Sinatra, Grape).

APIs.json: https://raw.githubusercontent.com/api-evangelist/ruby/refs/heads/main/apis.yml

Scope

  • Type: Index

Tags

  • Programming Language
  • Ruby
  • HTTP
  • REST
  • API Clients
  • Frameworks
  • Libraries
  • Package Registry

Timestamps

  • Created: 2026-05-23
  • Modified: 2026-05-23

APIs

Net::HTTP (Ruby Standard Library)

The HTTP client class shipped with the Ruby standard library. Provides class and instance methods for GET, POST, PUT, DELETE, HEAD, PATCH, OPTIONS, TRACE plus WebDAV methods (COPY, LOCK, MKCOL, MOVE, PROPFIND, PROPPATCH, UNLOCK), TLS, proxy support, and configurable timeouts. Backs many higher-level gems such as Faraday's default adapter.

Tags

  • HTTP Client
  • Standard Library
  • Built-In

Properties

RubyGems.org Registry API v1

Public REST API for the rubygems.org package registry. Endpoints cover gems, versions, downloads, owners, profiles, web hooks, activity, API keys, and OIDC/trusted-publishing token exchange. Authentication is via an API key in the Authorization header with optional OTP header for MFA. Responses available as JSON or YAML.

Tags

  • Package Registry
  • REST
  • Public API

Properties

RubyGems.org Registry API v2

Version 2 of the rubygems.org registry API. Adds gem version detail endpoints with optional platform query parameter, returning richer metadata than v1.

Tags

  • Package Registry
  • REST
  • Public API

Properties

Bundler

Dependency manager for Ruby. Reads a Gemfile, resolves and installs gems from rubygems.org or alternate sources, and writes Gemfile.lock for reproducible installs across environments. Ships as part of modern Ruby distributions.

Tags

  • Dependency Management
  • CLI
  • Package Manager

Properties

RBS (Ruby Type Signatures)

A language for describing the structure of Ruby programs. Lets developers declare classes, modules, method signatures, instance variables and inheritance in separate .rbs files so type checkers and IDE tooling can verify code against an explicit contract.

Tags

  • Type System
  • Schema
  • Contracts

Properties

Faraday

Simple but flexible HTTP client library with a common interface over many adapters (Net::HTTP, Typhoeus, Patron, Excon, HTTPClient, and others) and Rack-style middleware for request/response processing.

Tags

  • HTTP Client
  • Middleware

Properties

HTTParty

HTTP client gem that "makes consuming RESTful web services dead easy" via a class-level DSL. Wraps Net::HTTP with parsing, query handling, and authentication helpers.

Tags

  • HTTP Client
  • REST

Properties

http.rb

Fast Ruby HTTP client built on the llhttp parser with a chainable request-building API, streaming bodies, persistent connections, and fine-grained timeout control.

Tags

  • HTTP Client
  • Streaming

Properties

Excon

EXtended HTTP(S) CONnections library focused on performance, persistent connections, and predictable behavior. Used as an adapter under Faraday and inside Fog/cloud SDKs.

Tags

  • HTTP Client

Properties

Typhoeus

Libcurl-based HTTP client built for running HTTP requests in parallel. Pairs well with Hydra for fan-out integrations against many APIs at once.

Tags

  • HTTP Client
  • Parallel

Properties

REST Client

Simple HTTP and REST client for Ruby inspired by Sinatra's microframework style. Provides class-level GET/POST/PUT/DELETE helpers.

Tags

  • HTTP Client
  • REST

Properties

HTTPClient

Long-standing Ruby HTTP client providing "the functionality of libwww-perl (LWP) in Ruby". Supports keep-alive, cookies, proxies, and SSL.

Tags

  • HTTP Client

Properties

Ruby on Rails (API Mode)

Rails generated with the --api flag boots a slimmer middleware stack and an ApplicationController inheriting from ActionController::API (rather than ActionController::Base), making Rails a first-class JSON API framework while keeping Active Record, routing, and generators.

Tags

  • Web Framework
  • REST
  • JSON API

Properties

Sinatra

"DSL for quickly creating web applications in Ruby with minimal effort." Widely used to stand up small HTTP APIs and microservices without the ceremony of a full-stack framework.

Tags

  • Web Framework
  • Microframework
  • DSL

Properties

Grape

"Opinionated framework for creating REST-like APIs in Ruby." Provides a routing DSL with parameter validation, versioning, and content-negotiation helpers; runs standalone or mounted in Rails.

Tags

  • Web Framework
  • REST
  • DSL

Properties

Common Properties

Maintainers

FN: Kin Lane Email: kin@apievangelist.com

About

A profile of the Ruby programming language ecosystem from an API perspective: the language and its standard library HTTP surface (Net::HTTP), the rubygems.org package registry and its public v1/v2 REST API, Bundler, RBS type signatures, popular HTTP/REST client gems (Faraday, http.rb, HTTParty, Excon, Typhoeus, REST Client, HTTPClient), and the…

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