OpenAPI Client Generators AI Coding Tools

Tools for automatically generating API clients, SDKs, and type definitions from OpenAPI/Swagger specifications. Does NOT include general code generation tools, API testing frameworks, or validation rule engines unrelated to OpenAPI schema consumption.

There are 63 openapi client generators tools tracked. 5 score above 50 (established tier). The highest-rated is yhnavein/swaggie at 61/100 with 24 stars.

Get all 63 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=ai-coding&subcategory=openapi-client-generators&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

#	Tool	Score	Tier	Stars	Language
1	yhnavein/swaggie Tool for generating TypeScript client code for given Swagger API endpoints	61	Established	24	TypeScript
2	grafana/openapi-to-k6 A CLI tool to convert an OpenAPI schema to a TypeScript client to use with k6.	59	Established	66	TypeScript
3	reagento/descanso A modern and simple way to create clients for REST like APIs	57	Established	130	Python
4	mikestead/openapi-client Generate ES6 or Typescript service integration code from an OpenAPI 2 spec	55	Established	93	TypeScript
5	verizonconnect/ngx-form-generator Generate Angular ReactiveForms from OpenAPI documents	51	Established	46	TypeScript
6	SamuelMarks/cdd-c OpenAPI ↔ C. Frontend for C, concentrating on: generation from code;...	47	Emerging	9	C
7	vermiculus/apiwrap.el Generate wrappers for your API endpoints!	46	Emerging	50	Emacs Lisp
8	openvalidation/openvalidation Compose validation rules in the language you use every day, openVALIDATION...	43	Emerging	70	Java
9	vitwit/JS-SDKGen JS-SDKGen is a Javascript SDK Code generator for your API. It uses apidoc...	42	Emerging	7	JavaScript
10	Max-Health-Inc/BabelFHIR-TS Generate profile-aware TypeScript interfaces, validators, and a type-safe...	41	Emerging	8	TypeScript
11	983033995/AutoAPIGen 一款专为 VSCode 打造的高效插件，根据接口文档自动生成 TypeScript 接口请求代码及类型定义，提升开发效率，减少手动编码错误。	41	Emerging	3	TypeScript
12	CreateAPI/CreateAPI Delightful code generator for OpenAPI specs	41	Emerging	443	Swift
13	apioo/typeschema TypeSchema is a JSON format to describe data models in a language neutral format	41	Emerging	165	PHP
14	Eximchain/abi2api Autogenerate nodejs server APIs for calling your smart contract's functions via web3.	41	Emerging	4	JavaScript
15	PierroD/fastapi-crudrouter-mongodb This is the MongoDB version of awtkns CRUDRouter for FastAPI	40	Emerging	9	Python
16	apioo/typeapi TypeAPI is an OpenAPI alternative to describe REST APIs for type-safe code...	39	Emerging	74	PHP
17	tyrchen/quenya Quenya is a framework to build high-quality REST API applications based on...	39	Emerging	146	Elixir
18	Luxoft/gengen Tool for generating models and Angular services based on OpenAPIs and Swagger's JSON.	39	Emerging	17	TypeScript
19	openapi-json-schema-tools/openapi-json-schema-generator OpenAPI JSON Schema Generator allows auto-generation of API client...	38	Emerging	172	Java
20	Arshia001/FSharp.GrpcCodeGenerator A protoc plugin to enable generation of F# code + supporting libraries	38	Emerging	80	F#
21	beenotung/create-rpc Starter template of Typescript web server with auto-generated client SDK...	36	Emerging	—	TypeScript
22	lukoerfer/cake-openapi-generator Cake Addin for code generation via the OpenAPI Generator (f.k.a. Swagger Codegen)	35	Emerging	10	C#
23	Cstannahill/schemantic A fully typed, extensible, modular TypeScript type generator for OpenAPI...	34	Emerging	7	TypeScript
24	welovecoding/swaxios A Swagger API client generator based on axios and written in TypeScript. 🌊	33	Emerging	17	TypeScript
25	andrenth/ocaml-swagger Swagger 2.0 code generator for OCaml	33	Emerging	43	OCaml
26	quotient-im/gtad Generate Things from API Descriptions	33	Emerging	16	C++
27	lukoerfer/cake-codegen-nswag Cake Addin for code generation from OpenAPI specifications via NSwag	33	Emerging	6	PowerShell
28	openvalidation/openvalidation-openapi Generate OpenAPI service stubs with complete validation layer using this...	33	Emerging	5	Java
29	nshkrdotcom/arsenal Metaprogramming framework for automatic REST API generation from OTP operations	32	Emerging	4	Elixir
30	yugokato/openapi-test-client Dynamically generate/update API test clients from any OpenAPI 3.x...	32	Emerging	4	Python
31	celom/drizzle-proto-generator Generate gRPC Protocol Buffer definitions from Drizzle schemas.	31	Emerging	—	TypeScript
32	type-safe-dx/openapi-typescript-any-client Create type-safe fetcher from OpenAPI 3 specs, with any fetch client, such...	31	Emerging	3	TypeScript
33	apioo/psx-website Build type-safe REST APIs	31	Emerging	1	MDX
34	JetBrains-Research/rocqstar-rag BigRocq is a utility, that takes a Rocq (former Coq) project as input and...	31	Emerging	10	TypeScript
35	ikemtz/OData-TS-Generator NPM package to create TS client models for OData endpoints	31	Emerging	4	TypeScript
36	jakubkozera/openapi-ui A modern, feature-rich OpenAPI/Swagger documentation and testing interface...	30	Emerging	42	JavaScript
37	seanpfeifer/twirp-gen Protobuf client code generators for Twirp services...	29	Experimental	7	C#
38	NinjaCodeGen/ncg-crud-ngx-bs Angular 4+ Bootstrap 4 CRUD/Admin app by NinjaCodegen	28	Experimental	9	TypeScript
39	urmzd/oag Fast OpenAPI 3.x code generator for TypeScript, React/SWR, and FastAPI —...	24	Experimental	—	Rust
40	NinjaCodeGen/ncg-crud-ngx-kui Angular 4+ Kendo UI CRUD/Admin app by NinjaCodegen	24	Experimental	3	TypeScript
41	VannaDii/tsoa-next Build type-safe OpenAPI APIs for Node.js using TypeScript decorators with...	23	Experimental	1	TypeScript
42	ArmanKyro/crypto-exchange-api-catalog 🔍 Discover and catalog cryptocurrency exchange APIs with a versatile tool...	22	Experimental	—	Python
43	MukundaKatta/APIForge API scaffold generator — generate FastAPI projects from OpenAPI specs with...	22	Experimental	—	Python
44	MIDAS-CODE-NET/midas-sdk Official TypeScript SDK for the Midas Code API	22	Experimental	—	TypeScript
45	MIDAS-CODE-NET/examples Example projects using the Midas Code API	22	Experimental	—	TypeScript
46	EvanSchleret/laravel-typebridge Bridge Laravel resources to deterministic TypeScript types.	22	Experimental	—	PHP
47	foo-ogawa/micro-contracts Contract-first vertical slices for TypeScript Web/API systems. OpenAPI as...	22	Experimental	—	TypeScript
48	GGROM1/schemantic 🔧 Generate TypeScript types and API clients for OpenAPI schemas with ease...	22	Experimental	—	TypeScript
49	rohas-dev/rohas Build scalable event-driven applications with schema-driven development....	22	Experimental	4	Rust
50	amanguptaofficial/auto-api-client Automatically generate TypeScript API clients and React hooks from...	19	Experimental	—	TypeScript
51	fazpu/angular-swagger2 Generated code for Angular based on Swagger v2 definition - typings /...	19	Experimental	1	TypeScript
52	abbish/openvpn-profile-validator When you have a batch of OpenVPN profile files, but some of them may have...	19	Experimental	4	Python
53	cmurestudillos/postman-to-swagger-converter Aplicación de escritorio Electron que convierte fácilmente colecciones de...	19	Experimental	1	JavaScript
54	teobler/openapi-schema-resolver A tool for resolving openAPI json schema to typescript type definition.	18	Experimental	2	TypeScript
55	TonEnfer/SignalP SignalP - SignalR + Protobuf	17	Experimental	1	C#
56	edgarmedrano/Open4GLWebServices A SOAP stub and WSDL generator for OpenEdge (PROGRESS) built with OpenEdge.	17	Experimental	1	OpenEdge ABL
57	ktanaka101/openapi-dry-validation-generator Generate dry-validation(ruby) from openapi spec file	17	Experimental	1	Rust
58	Kolot-lu/swagger-type-parser CLI tool to generate TypeScript type definitions from OpenAPI/Swagger...	16	Experimental	1	TypeScript
59	MahdiZarrinkolah/vika-cli A modern, high-performance OpenAPI generator for TypeScript, Zod & Fetch...	14	Experimental	1	Rust
60	saoudkhalid/open-spec-correct 🤖 Automate API corrections by analyzing descriptions and generating...	14	Experimental	—	Python
61	taikaiiss/SwaggerAH 🛡️ Detect unauthorized access to Swagger/OpenAPI documents and generate...	14	Experimental	—	—
62	fischor/protogen-javascript The protogen package makes it easy to write protoc plugins in JavaScript/Typescript	11	Experimental	3	TypeScript
63	AccelByte/extend-codegen-cli AccelByte Extend Code Generator	11	Experimental	—	—

Comparisons in this category

openapi-to-k6 and openapi-client (59 vs 55) swaggie and gengen (61 vs 39)