Api Design Python Packages

jentic-problem-details

Reusable RFC 9457 Problem Details for HTTP APIs. OpenAPI schemas and examples ready to $ref, plus Python and TypeScript packages.

openapi-resolver

A python 3 module for resolving $refs in OpenAPI specs and create bundles.

restful-checker

RESTful API validator with HTML report

ai-api-lint

AI-friendly API linter for OpenAPI specifications — validate APIs for LLM tool-calling readiness

flask-route-bridge

route-bridge lets you define backend APIs once and automatically use them in frontend apps as simple function calls. It generates a typed client from a shared contract, removing fetch boilerplate and supporting Express, Flask, Next.js, and Node.js with clean DX.