diff --git a/Makefile b/Makefile
index b506048a..85754f7e 100644
--- a/Makefile
+++ b/Makefile
@@ -2,11 +2,14 @@ default: ci
 
 ci: fmt lint cover
 
-ci-full: ci dependencies-analyze bench
+ci-full: ci dependencies-analyze openapi-check test-all-modules lint-markdown bench
 
 test: 
 	go test ./...
 
+test-all-modules:
+	./test.sh
+
 cover:
 	go test -coverprofile=coverage.out ./...
 	go tool cover -func=coverage.out
@@ -30,14 +33,26 @@ lint:
 	go run github.com/golangci/golangci-lint/cmd/golangci-lint@latest run
 
 lint-markdown:
-	markdownlint --dot .
+	markdownlint --ignore documentation/node_modules --dot .
+
+# Update golden files
+golden-update:
+	(cd examples/petstore && go test -update)
 
+# Check OpenAPI spec generated for the Petstore example. Uses https://github.com/daveshanley/vacuum
+openapi-check:
+	vacuum lint -d examples/petstore/testdata/doc/openapi.json
+
+# Examples
 example:
 	( cd examples/full-app-gourmet && go run . -debug )
 
 example-watch:
 	( cd examples/full-app-gourmet && air -- -debug )
 
+petstore:
+	( cd examples/petstore && go run . -debug )
+
 # Documentation website
 docs:
 	go run golang.org/x/pkgsite/cmd/pkgsite@latest -http localhost:8084
@@ -46,4 +61,5 @@ docs-open:
 	go run golang.org/x/pkgsite/cmd/pkgsite@latest -http localhost:8084 -open
 
 .PHONY: docs-open docs example-watch example lint lint-markdown fmt ci ci-full
-.PHONY: dependencies-analyze build bench cover-web cover test
+.PHONY: dependencies-analyze build bench cover-web cover test petstore test-all-modules
+.PHONY: golden-update openapi-check
diff --git a/examples/petstore/controllers/pets.go b/examples/petstore/controllers/pets.go
new file mode 100644
index 00000000..a7e13dac
--- /dev/null
+++ b/examples/petstore/controllers/pets.go
@@ -0,0 +1,89 @@
+//coverage:ignore
+package controller
+
+import (
+	"github.com/go-fuego/fuego"
+)
+
+type PetsRessources struct {
+	PetsService PetsService
+}
+
+type Pets struct {
+	ID   string `json:"id"`
+	Name string `json:"name" example:"Napoleon"`
+	Age  int    `json:"age" example:"18"`
+}
+
+type PetsCreate struct {
+	Name string `json:"name" validate:"required,min=1,max=100" example:"Napoleon"`
+	Age  int    `json:"age" validate:"max=100" example:"18"`
+}
+
+type PetsUpdate struct {
+	Name string `json:"name" validate:"min=1,max=100" example:"Napoleon"`
+	Age  int    `json:"age" validate:"max=100" example:"18"`
+}
+
+func (rs PetsRessources) Routes(s *fuego.Server) {
+	petsGroup := fuego.Group(s, "/pets")
+
+	fuego.Get(petsGroup, "/", rs.getAllPets)
+	fuego.Post(petsGroup, "/", rs.postPets)
+
+	fuego.Get(petsGroup, "/{id}", rs.getPets)
+	fuego.Put(petsGroup, "/{id}", rs.putPets)
+	fuego.Delete(petsGroup, "/{id}", rs.deletePets)
+}
+
+func (rs PetsRessources) getAllPets(c fuego.ContextNoBody) ([]Pets, error) {
+	return rs.PetsService.GetAllPets()
+}
+
+func (rs PetsRessources) postPets(c *fuego.ContextWithBody[PetsCreate]) (Pets, error) {
+	body, err := c.Body()
+	if err != nil {
+		return Pets{}, err
+	}
+
+	new, err := rs.PetsService.CreatePets(body)
+	if err != nil {
+		return Pets{}, err
+	}
+
+	return new, nil
+}
+
+func (rs PetsRessources) getPets(c fuego.ContextNoBody) (Pets, error) {
+	id := c.PathParam("id")
+
+	return rs.PetsService.GetPets(id)
+}
+
+func (rs PetsRessources) putPets(c *fuego.ContextWithBody[PetsUpdate]) (Pets, error) {
+	id := c.PathParam("id")
+
+	body, err := c.Body()
+	if err != nil {
+		return Pets{}, err
+	}
+
+	new, err := rs.PetsService.UpdatePets(id, body)
+	if err != nil {
+		return Pets{}, err
+	}
+
+	return new, nil
+}
+
+func (rs PetsRessources) deletePets(c *fuego.ContextNoBody) (any, error) {
+	return rs.PetsService.DeletePets(c.PathParam("id"))
+}
+
+type PetsService interface {
+	GetPets(id string) (Pets, error)
+	CreatePets(PetsCreate) (Pets, error)
+	GetAllPets() ([]Pets, error)
+	UpdatePets(id string, input PetsUpdate) (Pets, error)
+	DeletePets(id string) (any, error)
+}
diff --git a/examples/petstore/main.go b/examples/petstore/main.go
new file mode 100644
index 00000000..a22f8b4a
--- /dev/null
+++ b/examples/petstore/main.go
@@ -0,0 +1,21 @@
+package main
+
+import (
+	"github.com/go-fuego/fuego"
+	controller "github.com/go-fuego/fuego/examples/petstore/controllers"
+)
+
+func newPetStoreServer(options ...func(*fuego.Server)) *fuego.Server {
+	s := fuego.NewServer(options...)
+
+	petsRessources := controller.PetsRessources{
+		PetsService: nil, // Dependency injection: we can pass a service here (for example a database service)
+	}
+	petsRessources.Routes(s)
+
+	return s
+}
+
+func main() {
+	newPetStoreServer().Run()
+}
diff --git a/examples/petstore/main_test.go b/examples/petstore/main_test.go
new file mode 100644
index 00000000..05fbb7d3
--- /dev/null
+++ b/examples/petstore/main_test.go
@@ -0,0 +1,30 @@
+package main
+
+import (
+	"context"
+	"os"
+	"testing"
+
+	"github.com/go-fuego/fuego"
+	"github.com/stretchr/testify/require"
+	"gotest.tools/v3/golden"
+)
+
+func TestPetstoreOpenAPIGeneration(t *testing.T) {
+	server := newPetStoreServer(
+		fuego.WithoutStartupMessages(),
+		fuego.WithOpenAPIConfig(fuego.OpenAPIConfig{
+			JsonFilePath:     "testdata/doc/openapi.json",
+			PrettyFormatJson: true,
+		}),
+	)
+
+	server.OutputOpenAPISpec()
+	err := server.OpenApiSpec.Validate(context.Background())
+	require.NoError(t, err)
+
+	generatedSpec, err := os.ReadFile("testdata/doc/openapi.json")
+	require.NoError(t, err)
+
+	golden.Assert(t, string(generatedSpec), "doc/openapi.golden.json")
+}
diff --git a/examples/petstore/testdata/doc/openapi.golden.json b/examples/petstore/testdata/doc/openapi.golden.json
new file mode 100644
index 00000000..2c9e6872
--- /dev/null
+++ b/examples/petstore/testdata/doc/openapi.golden.json
@@ -0,0 +1,271 @@
+{
+	"openapi": "3.0.3",
+	"components": {
+		"requestBodies": {
+			"PetsCreate": {
+				"content": {
+					"application/json": {
+						"schema": {
+							"$ref": "#/components/schemas/PetsCreate"
+						}
+					},
+					"application/xml": {
+						"schema": {
+							"$ref": "#/components/schemas/PetsCreate"
+						}
+					}
+				},
+				"description": "Request body for controller.PetsCreate",
+				"required": true
+			},
+			"PetsUpdate": {
+				"content": {
+					"application/json": {
+						"schema": {
+							"$ref": "#/components/schemas/PetsUpdate"
+						}
+					},
+					"application/xml": {
+						"schema": {
+							"$ref": "#/components/schemas/PetsUpdate"
+						}
+					}
+				},
+				"description": "Request body for controller.PetsUpdate",
+				"required": true
+			}
+		},
+		"schemas": {
+			"Pets": {
+				"properties": {
+					"age": {
+						"type": "integer"
+					},
+					"id": {
+						"type": "string"
+					},
+					"name": {
+						"type": "string"
+					}
+				},
+				"type": "object"
+			},
+			"PetsCreate": {
+				"properties": {
+					"age": {
+						"type": "integer"
+					},
+					"name": {
+						"type": "string"
+					}
+				},
+				"type": "object"
+			},
+			"PetsUpdate": {
+				"properties": {
+					"age": {
+						"type": "integer"
+					},
+					"name": {
+						"type": "string"
+					}
+				},
+				"type": "object"
+			},
+			"unknown-interface": {}
+		}
+	},
+	"info": {
+		"description": "OpenAPI",
+		"title": "OpenAPI",
+		"version": "0.0.1"
+	},
+	"paths": {
+		"/pets/": {
+			"get": {
+				"description": "controller: `github.com/go-fuego/fuego/examples/petstore/controllers.PetsRessources.getAllPets`\n\n---\n\n",
+				"operationId": "GET_/pets/",
+				"responses": {
+					"200": {
+						"content": {
+							"application/json": {
+								"schema": {
+									"items": {
+										"$ref": "#/components/schemas/Pets"
+									},
+									"type": "array"
+								}
+							},
+							"application/xml": {
+								"schema": {
+									"items": {
+										"$ref": "#/components/schemas/Pets"
+									},
+									"type": "array"
+								}
+							}
+						},
+						"description": "OK"
+					},
+					"default": {
+						"description": ""
+					}
+				},
+				"summary": "get all pets",
+				"tags": [
+					"pets"
+				]
+			},
+			"post": {
+				"description": "controller: `github.com/go-fuego/fuego/examples/petstore/controllers.PetsRessources.postPets`\n\n---\n\n",
+				"operationId": "POST_/pets/",
+				"requestBody": {
+					"$ref": "#/components/requestBodies/PetsCreate"
+				},
+				"responses": {
+					"200": {
+						"content": {
+							"application/json": {
+								"schema": {
+									"$ref": "#/components/schemas/Pets"
+								}
+							},
+							"application/xml": {
+								"schema": {
+									"$ref": "#/components/schemas/Pets"
+								}
+							}
+						},
+						"description": "OK"
+					},
+					"default": {
+						"description": ""
+					}
+				},
+				"summary": "post pets",
+				"tags": [
+					"pets"
+				]
+			}
+		},
+		"/pets/{id}": {
+			"delete": {
+				"description": "controller: `github.com/go-fuego/fuego/examples/petstore/controllers.PetsRessources.deletePets`\n\n---\n\n",
+				"operationId": "DELETE_/pets/:id",
+				"parameters": [
+					{
+						"in": "path",
+						"name": "id",
+						"required": true,
+						"schema": {
+							"type": "string"
+						}
+					}
+				],
+				"responses": {
+					"200": {
+						"content": {
+							"application/json": {
+								"schema": {
+									"$ref": "#/components/schemas/unknown-interface"
+								}
+							},
+							"application/xml": {
+								"schema": {
+									"$ref": "#/components/schemas/unknown-interface"
+								}
+							}
+						},
+						"description": "OK"
+					},
+					"default": {
+						"description": ""
+					}
+				},
+				"summary": "delete pets",
+				"tags": [
+					"pets"
+				]
+			},
+			"get": {
+				"description": "controller: `github.com/go-fuego/fuego/examples/petstore/controllers.PetsRessources.getPets`\n\n---\n\n",
+				"operationId": "GET_/pets/:id",
+				"parameters": [
+					{
+						"in": "path",
+						"name": "id",
+						"required": true,
+						"schema": {
+							"type": "string"
+						}
+					}
+				],
+				"responses": {
+					"200": {
+						"content": {
+							"application/json": {
+								"schema": {
+									"$ref": "#/components/schemas/Pets"
+								}
+							},
+							"application/xml": {
+								"schema": {
+									"$ref": "#/components/schemas/Pets"
+								}
+							}
+						},
+						"description": "OK"
+					},
+					"default": {
+						"description": ""
+					}
+				},
+				"summary": "get pets",
+				"tags": [
+					"pets"
+				]
+			},
+			"put": {
+				"description": "controller: `github.com/go-fuego/fuego/examples/petstore/controllers.PetsRessources.putPets`\n\n---\n\n",
+				"operationId": "PUT_/pets/:id",
+				"parameters": [
+					{
+						"in": "path",
+						"name": "id",
+						"required": true,
+						"schema": {
+							"type": "string"
+						}
+					}
+				],
+				"requestBody": {
+					"$ref": "#/components/requestBodies/PetsUpdate"
+				},
+				"responses": {
+					"200": {
+						"content": {
+							"application/json": {
+								"schema": {
+									"$ref": "#/components/schemas/Pets"
+								}
+							},
+							"application/xml": {
+								"schema": {
+									"$ref": "#/components/schemas/Pets"
+								}
+							}
+						},
+						"description": "OK"
+					},
+					"default": {
+						"description": ""
+					}
+				},
+				"summary": "put pets",
+				"tags": [
+					"pets"
+				]
+			}
+		}
+	}
+}
\ No newline at end of file
diff --git a/go.mod b/go.mod
index 891773b1..aaf235f8 100644
--- a/go.mod
+++ b/go.mod
@@ -11,6 +11,7 @@ require (
 	github.com/hashicorp/golang-lru/v2 v2.0.7
 	github.com/stretchr/testify v1.9.0
 	gopkg.in/yaml.v3 v3.0.1
+	gotest.tools/v3 v3.5.1
 )
 
 require (
@@ -20,6 +21,7 @@ require (
 	github.com/go-openapi/swag v0.23.0 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/invopop/yaml v0.3.1 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/leodido/go-urn v1.4.0 // indirect
diff --git a/go.sum b/go.sum
index d3c7ff62..10a8da5b 100644
--- a/go.sum
+++ b/go.sum
@@ -1,11 +1,7 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0=
-github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk=
 github.com/gabriel-vasile/mimetype v1.4.4 h1:QjV6pZ7/XZ7ryI2KuyeEDE8wnh7fHP9YnQy+R0LnH8I=
 github.com/gabriel-vasile/mimetype v1.4.4/go.mod h1:JwLei5XPtWdGiMFB5Pjle1oEeoSeEuJfJE+TtfvdB/s=
-github.com/getkin/kin-openapi v0.123.0 h1:zIik0mRwFNLyvtXK274Q6ut+dPh6nlxBp0x7mNrPhs8=
-github.com/getkin/kin-openapi v0.123.0/go.mod h1:wb1aSZA/iWmorQP9KTAS/phLj/t17B5jT7+fS8ed9NM=
 github.com/getkin/kin-openapi v0.126.0 h1:c2cSgLnAsS0xYfKsgt5oBV6MYRM/giU8/RtwUY4wyfY=
 github.com/getkin/kin-openapi v0.126.0/go.mod h1:7mONz8IwmSRg6RttPu6v8U/OJ+gr+J99qSFNjPGSQqw=
 github.com/go-openapi/jsonpointer v0.21.0 h1:YgdVicSA9vH5RiHs9TZW5oyafXZFc6+2Vc1rr/O9oNQ=
@@ -18,24 +14,20 @@ github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/o
 github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
 github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
 github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
-github.com/go-playground/validator/v10 v10.19.0 h1:ol+5Fu+cSq9JD7SoSqe04GMI92cbn0+wvQ3bZ8b/AU4=
-github.com/go-playground/validator/v10 v10.19.0/go.mod h1:dbuPbCMFw/DrkbEynArYaCwl3amGuJotoKCe95atGMM=
 github.com/go-playground/validator/v10 v10.22.0 h1:k6HsTZ0sTnROkhS//R0O+55JgM8C4Bx7ia+JlgcnOao=
 github.com/go-playground/validator/v10 v10.22.0/go.mod h1:dbuPbCMFw/DrkbEynArYaCwl3amGuJotoKCe95atGMM=
 github.com/go-test/deep v1.0.8 h1:TDsG77qcSprGbC6vTN8OuXp5g+J+b5Pcguhf7Zt61VM=
 github.com/go-test/deep v1.0.8/go.mod h1:5C2ZWiW0ErCdrYzpqxLbTX7MG14M9iiw8DgHncVwcsE=
 github.com/golang-jwt/jwt/v5 v5.2.1 h1:OuVbFODueb089Lh128TAcimifWaLhJwVflnrgM17wHk=
 github.com/golang-jwt/jwt/v5 v5.2.1/go.mod h1:pqrtFR0X4osieyHYxtmOUWsAWrfe1Q5UVIyoH402zdk=
-github.com/gomarkdown/markdown v0.0.0-20231222211730-1d6d20845b47 h1:k4Tw0nt6lwro3Uin8eqoET7MDA4JnT8YgbCjc/g5E3k=
-github.com/gomarkdown/markdown v0.0.0-20231222211730-1d6d20845b47/go.mod h1:JDGcbDT52eL4fju3sZ4TeHGsQwhG9nbDV21aMyhwPoA=
 github.com/gomarkdown/markdown v0.0.0-20240626202925-2eda941fd024 h1:saBP362Qm7zDdDXqv61kI4rzhmLFq3Z1gx34xpl6cWE=
 github.com/gomarkdown/markdown v0.0.0-20240626202925-2eda941fd024/go.mod h1:JDGcbDT52eL4fju3sZ4TeHGsQwhG9nbDV21aMyhwPoA=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/gorilla/schema v1.4.1 h1:jUg5hUjCSDZpNGLuXQOgIWGdlgrIdYvgQ0wZtdK1M3E=
 github.com/gorilla/schema v1.4.1/go.mod h1:Dg5SSm5PV60mhF2NFaTV1xuYYj8tV8NOPRo4FggUMnM=
 github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
 github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
-github.com/invopop/yaml v0.2.0 h1:7zky/qH+O0DwAyoobXUqvVBwgBFRxKoQ/3FjcVpjTMY=
-github.com/invopop/yaml v0.2.0/go.mod h1:2XuRLgs/ouIrW3XNzuNj7J3Nvu/Dig5MXvbCEdiBN3Q=
 github.com/invopop/yaml v0.3.1 h1:f0+ZpmhfBSS4MhG+4HYseMdJhoeeopbSKbq5Rpeelso=
 github.com/invopop/yaml v0.3.1/go.mod h1:PMOp3nn4/12yEZUFfmOuNHJsZToEEOwoWsT+D81KkeA=
 github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
@@ -60,25 +52,18 @@ github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsT
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/ugorji/go/codec v1.2.7 h1:YPXUKf7fYbp/y8xloBqZOw2qaVggbfwMlI8WM3wZUJ0=
 github.com/ugorji/go/codec v1.2.7/go.mod h1:WGN1fab3R1fzQlVQTkfxVtIBhWDRqOviHU95kRgeqEY=
-golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
-golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
 golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
 golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
-golang.org/x/net v0.22.0 h1:9sGLhx7iRIHEiX0oAJ3MRZMUCElJgy7Br1nO+AMN3Tc=
-golang.org/x/net v0.22.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
 golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys=
 golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
-golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
-golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
 golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
 golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
-gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gotest.tools/v3 v3.5.1 h1:EENdUnS3pdur5nybKYIh2Vfgc8IUNBjxDPSjtiJcOzU=
+gotest.tools/v3 v3.5.1/go.mod h1:isy3WKz7GK6uNw/sbHzfKBLvlvXwUyV06n6brMxxopU=
diff --git a/mux.go b/mux.go
index 0a32bc23..b6c3b2ad 100644
--- a/mux.go
+++ b/mux.go
@@ -125,7 +125,7 @@ func Register[T, B any](s *Server, route Route[T, B], controller http.Handler, m
 
 	route.Operation.Summary = route.NameFromNamespace(camelToHuman)
 	route.Operation.Description = "controller: `" + route.FullName + "`\n\n---\n\n"
-	route.Operation.OperationID = route.Method + " " + s.basePath + route.Path + ":" + route.NameFromNamespace()
+	route.Operation.OperationID = route.Method + "_" + s.basePath + strings.ReplaceAll(strings.ReplaceAll(route.Path, "{", ":"), "}", "")
 
 	return route
 }
diff --git a/openapi.go b/openapi.go
index 39fa922f..6d2174fd 100644
--- a/openapi.go
+++ b/openapi.go
@@ -11,6 +11,7 @@ import (
 	"path/filepath"
 	"reflect"
 	"regexp"
+	"strings"
 
 	"github.com/getkin/kin-openapi/openapi3"
 	"github.com/getkin/kin-openapi/openapi3gen"
@@ -162,8 +163,8 @@ func RegisterOpenAPIOperation[T, B any](s *Server, method, path string) (*openap
 
 	// Request body
 	bodyTag := schemaTagFromType(s, *new(B))
-	if (method == http.MethodPost || method == http.MethodPut || method == http.MethodPatch) && bodyTag.name != "unknown-interface" && bodyTag.name != "string" {
-		content := openapi3.NewContentWithSchemaRef(&bodyTag.SchemaRef, []string{"application/json"})
+	if bodyTag.name != "unknown-interface" {
+		content := openapi3.NewContentWithSchemaRef(&bodyTag.SchemaRef, []string{"application/json", "application/xml"})
 		requestBody := openapi3.NewRequestBody().
 			WithRequired(true).
 			WithDescription("Request body for " + reflect.TypeOf(*new(B)).String()).
@@ -181,7 +182,7 @@ func RegisterOpenAPIOperation[T, B any](s *Server, method, path string) (*openap
 	}
 
 	responseSchema := schemaTagFromType(s, *new(T))
-	content := openapi3.NewContentWithSchemaRef(&responseSchema.SchemaRef, []string{"application/json"})
+	content := openapi3.NewContentWithSchemaRef(&responseSchema.SchemaRef, []string{"application/json", "application/xml"})
 	response := openapi3.NewResponse().
 		WithDescription("OK").
 		WithContent(content)
@@ -192,6 +193,10 @@ func RegisterOpenAPIOperation[T, B any](s *Server, method, path string) (*openap
 	for _, pathParam := range parsePathParams(path) {
 		parameter := openapi3.NewPathParameter(pathParam)
 		parameter.Schema = openapi3.NewStringSchema().NewRef()
+		if strings.HasSuffix(pathParam, "...") {
+			parameter.Description += " (might contain slashes)"
+		}
+
 		operation.AddParameter(parameter)
 	}
 
@@ -209,11 +214,12 @@ type schemaTag struct {
 func schemaTagFromType(s *Server, v any) schemaTag {
 	if v == nil {
 		// ensure we add unknown-interface to our schemas
-		s.getOrCreateSchema("unknown-interface", struct{}{})
+		schema := s.getOrCreateSchema("unknown-interface", struct{}{})
 		return schemaTag{
 			name: "unknown-interface",
 			SchemaRef: openapi3.SchemaRef{
-				Ref: "#/components/schemas/unknown-interface",
+				Ref:   "#/components/schemas/unknown-interface",
+				Value: schema,
 			},
 		}
 	}
diff --git a/test.sh b/test.sh
new file mode 100755
index 00000000..0669a9f7
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+mods=$(go list -f '{{.Dir}}' -m)
+for mod in $mods; do
+    go test -C "$mod" ./...
+done