Buf : A CLI tool to help working with Protocol Buffers.
Buf currently contains:
A linter that enforces good API design choices and structure.
A breaking ch...
Hurl : Hurl is a command line tool that runs HTTP requests defined in a simple plain text format.
It can chain requests, capture values and evaluate queries ...
HTTP API design : This guide describes a set of HTTP+JSON API design practices, originally extracted from work on the Heroku Platform API.
Freebase : A community-curated database of well-known people, places, and things
Hoppscotch : A free, online, open source API request builder
Bluepine is a DSL for defining API Schema/Endpoint with the capabilities to generate Open API (v3) spec, validate API request and serialize object for API response based on single schema definition.