Jsup helps you build fast json responses for your apis

A JSON resource presenter for a specific api media type

Enable api to respond to jsonapi query string

Take standardized API results and turn them into a Schema

Pushes a yaml or json file to the Marathon API.

Dump the Twitter streaming API to a CSV or JSON file and then filter, handle retweets, apply sentiment analysis, and more.

json2ruby is intended to generate ruby model classes/modules from existing JSON data, e.g. responses from an API.

SchemaConformist is an automatic JSON request/response validator for your API testing in Rails.

Middleman Extension that generates JSON and XML endpoints

Add Json Web Tokens to Solidus API

cloud api's via amqp and json'

ResourceFull provides a fully-compliant ActiveResource server implementation built on ActionController. Additionally, it provides RESTful parameter queryability, paging, sorting, separation of controller concerns, multiple formats (HTML, XML, JSON), CRUD access permissions, and ...

Bullet Proof JSON for Ruby takes the hassle out of API response handling by offering: Seamless Request Handling - automatically manage timeouts and errors so your app stays resilient, Smart Throttling - respect API rate limits without overcomplicating your code, Robust Retry Mechanism - never mis...

Parses JSON formatted Hangouts data (from Takeout or the 'API') into more useful data structures

An interface to load objects from external APIs provided in XML and JSON formats

Queries Library of Congress' subject heading search API and returns results in JSON.

Add-ons including API Key, remove format extensions (.json, .xml) for requests, and configuration file (sites.yml) for each environment's default settings.

AST-based converter from GitHub-Flavored Markdown (GFM) to Slack Block Kit block arrays, using commonmarker for parsing. Produces structured Block Kit JSON ready for the Slack API.

Easily get XML or JSON from the Eve: Online API with optional caching and throttling.

It looks for APIs under /api. This will be configureable in the future.