Top 23 PHP OpenAPI Projects

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1. API Platform

   1 55 9,187 6.7 PHP

   🕸️ Create REST and GraphQL APIs, scaffold Jamstack webapps, stream changes in real-time.

   

2. AppSignal

   www.appsignal.com sponsored

   AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.

   

3. PHP-CRUD-API

   2 11 3,735 7.6 PHP

   Single file PHP script that adds a REST API to a SQL database

   

4. L5-Swagger

   3 4 2,938 6.0 PHP

   OpenApi or Swagger integration to Laravel

   

5. NelmioApiDocBundle

   4 1 2,369 8.7 PHP

   Generates documentation for your REST API from attributes

   

6. scramble

   5 4 2,216 9.2 PHP

   Modern Laravel OpenAPI (Swagger) documentation generator. No PHPDoc annotations required.

   

7. Fusio

   6 13 2,118 8.0 PHP

   Self-Hosted API Management for Builders

   

   Project mention: Ask HN: What Are You Working On? (February 2026) | news.ycombinator.com | 2026-02-08

   Hey HN, I am currently working on three main projects:

   https://www.fusio-project.org

8. Restler

   7 0 1,385 6.2 PHP

   Zero-boilerplate REST API framework for PHP 8+. Auto-generates routes, docs, validation.

   

9. SaaSHub

   www.saashub.com sponsored

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

10. janephp

    8 2 692 9.2 PHP

    :seedling: Jane is a set of libraries to generate Models & API Clients based on JSON Schema / OpenAPI specs

    

11. laravel-openapi

    9 1 461 4.2 PHP

    Generate OpenAPI specification for Laravel Applications

    

12. PSX Framework

    10 4 172 6.2 PHP

    PSX is an innovative PHP framework dedicated to build fully typed REST APIs.

    

13. OpenAPI PSR-7 Message (HTTP Request/Response) Validator

    11 0 168 0.0 PHP

    It validates PSR-7 messages (HTTP request/response) against OpenAPI specifications (by lezhnev74)

    

14. http-router

    12 0 166 7.2 PHP

    A powerful solution as the foundation of your project.

    

15. openapi-httpfoundation-testing

    13 2 120 3.9 PHP

    Validate your HttpFoundation requests and responses against OpenAPI (3+) definitions

    

16. cakephp-swagger-bake

    14 8 60 3.8 PHP

    Automatically generate OpenAPI, Swagger, and Redoc documentation from your existing CakePHP code.

    

17. tina4-php

    15 1 28 9.9 PHP

    Tina4 PHP composer repository

    

18. symfony-json-schema-validation

    16 4 20 7.3 PHP

    Powerful JSON Schema validation for Symfony 7.4+/8+ with automatic OpenAPI documentation generation

    

    Project mention: Six Months Later, the Bundle Is Still Alive | dev.to | 2026-09-03

    So, it's been half a year since the first stable version of Symfony JSON Schema Validation Bundle was released, which turned out to be version 3.

19. gesso

    17 1 10 9.7 PHP

    Gesso — OpenAPI 3.0/3.1/3.2 contract testing for PHP. Framework-independent core with Laravel, Symfony, Pest, and PSR-7 adapters. PHPUnit coverage, request/response validation, fuzzing, and drift detection.

    

    Project mention: Contract testing a Symfony API with OpenAPI | dev.to | 2026-07-27

    git clone https://github.com/studio-design/gesso.git cd gesso/examples/symfony composer install composer test

20. symfony-jsonrpc-api-bundle

    18 2 8 8.9 PHP

    Spec-conformant JSON-RPC 2.0 server for Symfony: methods declared by attribute, request DTOs validated and hydrated for you, batch requests, DoS limits, CORS and OpenAPI generation.

    

    Project mention: How to upload a file over JSON-RPC, when JSON has no type for a file | dev.to | 2026-08-18

    The bundle: github.com/OtezVikentiy/symfony-jsonrpc-api-bundle. Questions and ideas in Discussions, bugs in Issues. As this story shows, a good issue sometimes turns into a feature - feedback of any kind is welcome.

21. openapi-httpfoundation-testing-laravel-example

    19 1 3 2.2 PHP

    OpenAPI HttpFoundation Testing: a Laravel Example

    

22. arazzo-parser

    20 1 2 1.7 PHP

    Parse OpenAPI Arazzo specifications in PHP

    

23. laravel-openapi

    21 1 1 9.8 PHP

    Generate an OpenAPI 3.1 document from your existing Laravel routes. Schemas are read from typed request DTOs (Spatie Data or FormRequest), typed return values, PHPDoc summaries, and auth/scope middleware. A bundled linter (openapi:lint) reports documentation gaps. (by Radiergummi)

    

    Project mention: Ask HN: What are you working on? (June 2026) | news.ycombinator.com | 2026-06-14

    An API documentation generator for Laravel apps: https://github.com/Radiergummi/laravel-openapi

    In contrast to most other libraries in this space, it knows about Laravel conventions and its ecosystem, and tries to infer as much as possible without explicit annotations, using type hints and doc comments and static analysis.

24. NENE2

    22 2 1 9.8 PHP

    JSON APIs first · OpenAPI 3.1 author · MCP catalog · PHP 8.4 micro-framework for AI-readable services.

    

    Project mention: MCP should not mean letting AI touch your database | dev.to | 2026-06-25

    NENE2: https://github.com/hideyukiMORI/NENE2

25. nene-records

    23 1 0 9.8 PHP

    Headless CMS on NENE2 — typed entities, React admin, OpenAPI 3.1, 60+ MCP tools, multi-tenant JWT. M9 complete.

    

    Project mention: I am building self-hosted business tools for small teams in Japan | dev.to | 2026-06-30

    NeNe Records: https://github.com/hideyukiMORI/nene-records

26. SaaSHub

    www.saashub.com sponsored

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    

PHP OpenAPI related posts

• Six Months Later, the Bundle Is Still Alive

  1 project | dev.to | 3 Sep 2026

• I had to build my own Symfony validation bundle because no existing one fits my requirements

  2 projects | dev.to | 11 Mar 2026

• Scramble 0.11.0 – Laravel API docs generator update: Laravel Data support, enforcing schema types, inference improvements

  1 project | dev.to | 4 Jul 2024

• Scramble 0.6.0 - An update of Laravel OpenAPI docs generator that works without PHPDoc annotations

  3 projects | /r/laravel | 20 Nov 2022

• Pragmatic development

  6 projects | dev.to | 13 Oct 2022

• Can you guys recommend a secure and fast framework for creating a REST API?

  5 projects | /r/PHP | 15 Jan 2021
• A note from our sponsor - SaaSHub
  www.saashub.com | 6 Oct 2026

  SaaSHub helps you find the best software and product alternatives Learn more →

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Sponsored

AppSignal knows why the f*#k it crashed.

Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.

www.appsignal.com

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