grepQL - GraphQL IDE - Generates every queries from the schema
PublicAPIs - Explore the largest API directory in the galaxy
Simple API Generator - Instantly generate openapi (OAS) 3.0.0 CRUD APIs
API List - A collective list of APIs. Build something.
Mock API Generator - Generate custom data & API to build apps in less than 30s
API for Product Managers - The A to Z of APIs for product managers