swagger-api/swagger-codegen

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swagger-codegen contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition.

Stars: 17.8k
Forks: 6k
Open beginner issues: 1
Indexed issues: 3.1k

Dominant language: Mustache
License: Apache-2.0
Last GitHub push: Aug 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

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3,072 open issues indexed

What is the difference between this project/repo and github.com/OpenAPITools/openapi-generator ? Open

Issue: Bug P2 pull-request-welcome

Difficulty 3/5 1-2 days Newbie friendliness 25/100

swagger-api/swagger-codegen#12467 · 2 comments · Opened Sep 14, 2024
Elixir - generated code has errors and warnings on latest (1.7) elixir (pr incoming) Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

swagger-api/swagger-codegen#12465 · Opened Sep 13, 2024
shade build-time error on master (3.3.0:shade: java.lang.NoSuchMethodError) Open

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

swagger-api/swagger-codegen#12463 · Opened Sep 12, 2024
[PHP] Cannot use "parent" when current class scope has no parent Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

swagger-api/swagger-codegen#12462 · Opened Sep 11, 2024
Java template uses an removed method(DeserializationContext.mappingException(String)) Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

swagger-api/swagger-codegen#12461 · Opened Sep 11, 2024
skipIfSpecIsUnchanged: true not working across operation systems Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

swagger-api/swagger-codegen#12460 · Opened Sep 9, 2024
Syntax error in generated code for retrofit2 class auth.OAuth since v3.0.52 Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12458 · 2 comments · 1 reaction · Opened Aug 29, 2024
Generated Python API returns wrong JSON Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

swagger-api/swagger-codegen#12457 · 1 comment · Opened Aug 29, 2024
CORS Error When Accessing Swagger API Deployed on AWS EC2 Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

swagger-api/swagger-codegen#12456 · Opened Aug 27, 2024
Error : missing swagger input or config! on docker image Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

swagger-api/swagger-codegen#12453 · 1 comment · Opened Aug 24, 2024
[PHP] Codegen generates models for schemas that are not objects Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

swagger-api/swagger-codegen#12450 · Opened Aug 18, 2024
[PHP] Class "" not found Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12449 · 2 comments · Opened Aug 14, 2024
[KOTLIN] allOf doesn't generate $ref Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

swagger-api/swagger-codegen#12446 · Opened Aug 14, 2024
collectionFormat 'multi' is not properly handled in generated code Open

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

swagger-api/swagger-codegen#12445 · Opened Aug 13, 2024
[PHP] Bug generating list of maps results in "Uncaught Error: Class "int[]][" not found" Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

swagger-api/swagger-codegen#12440 · Opened Aug 8, 2024
[Typescript-Angular] canConsumeForm function can be simplified Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

swagger-api/swagger-codegen#12439 · Opened Aug 7, 2024
Is swagger codegen compatible and working with JDK17 Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

swagger-api/swagger-codegen#12438 · 3 comments · Opened Aug 6, 2024
Incompatibility with Connexion Version in Swagger Codegen for Flask Server Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12437 · Opened Aug 4, 2024
Unable to Generate GO clients when schema has enums on it Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12430 · 1 comment · Opened Jul 27, 2024
The scopes from security declaration of an operation are ignored Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

swagger-api/swagger-codegen#12429 · Opened Jul 22, 2024
[JAVA][Jersey2][Regression] Inconsistency between ApiClient deserialisation method for swagger2 and swagger3 Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

swagger-api/swagger-codegen#12424 · Opened Jul 18, 2024
[JAVA] selectHeaderAccept is removing values of the accept header Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

swagger-api/swagger-codegen#12422 · 1 comment · 2 reactions · Opened Jul 11, 2024
[GO] Generator creates identifiers starting with a number Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12421 · 1 comment · Opened Jul 11, 2024
[Typescript-Angular] No package.json Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12417 · 1 comment · Opened Jul 6, 2024
[RUST] Exception in thread "main" java.lang.RuntimeException: Can't load config class with name rust Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

swagger-api/swagger-codegen#12416 · 1 comment · 9 reactions · Opened Jul 5, 2024
OAS 3.1 support? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12413 · 10 reactions · Opened Jun 19, 2024
Regression: Swagger CodeGen generates duplicate fields in child DTOs Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

swagger-api/swagger-codegen#12409 · 4 comments · Opened May 30, 2024
[PHP] Bug missing commas in key-value arrays of generated models and parameter of function calls Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12404 · Opened May 24, 2024
Do you have any plan to support Harmony SDK? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

swagger-api/swagger-codegen#12403 · Opened May 22, 2024
NullPointerException Thrown when Both `properties` and `allOf` are Defined in a `schema` Object Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12402 · 1 comment · 1 reaction · Opened May 17, 2024
[Typescript Axios] Bug generating Map or Map<String,String> Model Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12401 · Opened May 17, 2024
Wrong dynamic query parameter names in spring Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

swagger-api/swagger-codegen#12399 · Opened May 14, 2024
[JAVASpring] Incorrect model classnames but only in lists? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12391 · 1 reaction · Opened May 6, 2024
Invalid anonymous model name with non-ascii title Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

swagger-api/swagger-codegen#12389 · Opened May 2, 2024
[TypeScript-Fetch] Invalid interface definition while setting additionalProperties as true Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12388 · Opened Apr 30, 2024
[typescript-axios] query property renamed to _query Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12387 · 2 reactions · Opened Apr 29, 2024
Swagger-codegen 3.0.54 do not support msf4j server stub Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12386 · Opened Apr 29, 2024
config "enumPropertyNaming" not working as expected Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

swagger-api/swagger-codegen#12385 · Opened Apr 27, 2024
NullPointerException running swagger-codegen-cli for model with nullable integer enum property in schema definition Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

swagger-api/swagger-codegen#12371 · Opened Apr 17, 2024
swagger codegen depends on non compatible apache 2.0 transitive library Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12370 · Opened Apr 15, 2024
Using APIClient (Python) in AWS Lambda function Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

swagger-api/swagger-codegen#12368 · Opened Apr 8, 2024
In rust code generation trait objects should contain an explicit `dyn` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12383 · 1 comment · Opened Apr 4, 2024
Recursive types in rust can't compile. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12384 · 2 comments · 1 reaction · Opened Apr 4, 2024
[c#] csharp and csharp-dotnet2 needs new codegen Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

swagger-api/swagger-codegen#12366 · 3 comments · 3 reactions · Opened Mar 27, 2024
Path parameters aren't propagated to operation level Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

swagger-api/swagger-codegen#12365 · 1 reaction · Opened Mar 26, 2024
PHP client SDK response elements are re-written and converted to lower case in all models Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12364 · Opened Mar 26, 2024
swagger-codegen python depends on PyYAML>5.1,<6.0 but PyYAML 5.4 is broken Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

swagger-api/swagger-codegen#12362 · 1 comment · 1 reaction · Opened Mar 25, 2024
Swagger api Open

Difficulty 5/5 Over a week Newbie friendliness 1/100

swagger-api/swagger-codegen#12359 · Opened Mar 22, 2024
[GO] Bug when other go tools does not see code generated by swagger-codegen as code generated Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

swagger-api/swagger-codegen#12358 · 2 comments · 2 reactions · Opened Mar 20, 2024
[CSHARP] swagger-codegen-cli produces invalid constructors with AllOf Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swagger-api/swagger-codegen#12356 · Opened Mar 15, 2024

swagger-api/swagger-codegen

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