StdLib : The Standard Library for Functions as a Service. Discover pre-built APIs, compose your own, build apps, and move your business faster than ever with n...
Quicktype : Quicktype generates types and helper code for reading JSON in C#, Swift, JavaScript, Flow, Python, TypeScript, Go, Rust, Objective-C, Kotlin, C++ and ...
Mockbin : Mockbin allows you to generate custom endpoints to test, mock, and track HTTP requests & responses between libraries, sockets and APIs.
XgeneCloud : XgeneCloud is an API Framework platform that instantly generates REST / GraphQL APIs on any SQL database.
Supports MySQL, PostgreSQL, MSSQL, SQLite &...
Online javascript beautifier : Beautify, unpack or deobfuscate JavaScript and HTML, make JSON/JSONP readable, etc.
Val Town is a social website to write and run code. Vals are small JavaScript/TypeScript snippets that run on their servers. You can create APIs, scheduled functions, email yourself, and persist small pieces of data — all from the browser.