JSON, API, Collections

neilflatley/jsonpath-mapper: A json to json transformation utility with a few nice features to use when translating for example API responses into a domain object for use in your domain-driven JavaScript applications

Queries · SoftCreatR/JSONPath Wiki

JSONPath Online Evaluator

GitHub - justinrainbow/json-schema: PHP implementation of JSON schema. Fork of the http://jsonschemaphpv.sourceforge.net/ project

JSONata

Postman API Builder - Webinar

From zero to OpenAPI 3.0: Postman live stream on Twitch

APIMATIC - Dashboard

APITransform: Convert Postman Collections to OpenAPI Spec [Free]

OpenAPI-GUI v3.0.0

Bundesstelle für Open Data

Structuring a complex schema — Understanding JSON Schema 7.0 documentation

Combining schemas | Ajv JSON schema validator

JSON Schema Tool

JSON Schema Validator - Newtonsoft

Compare two JSON responses with Postman

apilayer - Scalable B2B APIs

GeoJSON Utilities - Anzeige, Auswahl und Export von Verwaltungsgebieten in Deutschland

Postleitzahlen - Germany

JSON-API: How to create an API in PHP? | TSH.io

API development: ETags and Conditional Get

Bizcoder - Implementing Conditional Request Handling for your API

Bizcoder - Using Etags and Last-modified headers to improve performance with HTTP conditional requests

Avoid Data Corruption in Your REST API with ETags

Best Practices: API Design. Well designed APIs = Happy Developers… | by Varun Joshi | codeburst

Best Practices: API Design [Part 2] | by Varun Joshi | codeburst

JSON:API — A specification for building APIs in JSON

Introduction to the JSON API - Laravel News

nahid/jsonq: A PHP query builder for JSON

swisnl/json-api-client