diff --git a/3.0/json/example-groups.json b/3.0/json/example-groups.json
new file mode 100644
index 0000000..f3a9539
--- /dev/null
+++ b/3.0/json/example-groups.json
@@ -0,0 +1,151 @@
+{
+  "openapi": "3.0.3",
+  "info": {
+    "title": "Example Groups Demo",
+    "description": "https://docs.readme.com/docs/openapi-extensions",
+    "version": "1.0.0"
+  },
+  "servers": [{ "url": "https://httpbin.org/anything" }],
+  "tags": [
+    {
+      "name": "Example Groups",
+      "description": "https://docs.readme.com/main/docs/openapi-extensions#corresponding-response-examples"
+    }
+  ],
+  "paths": {
+    "/x-code-samples": {
+      "post": {
+        "operationId": "x-readme_code-samples_example-groups",
+        "summary": "Custom Code Sample with `correspondingExample` ",
+        "description": "This is a demonstration of our example group pairing with our `x-readme.code-samples` extension via the `correspondingExample` key.\n\nhttps://docs.readme.com/main/docs/openapi-extensions#corresponding-response-examples",
+        "tags": ["Example Groups"],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": { "$ref": "#/components/schemas/Tag" },
+              "examples": {
+                "userRegistration": {
+                  "value": {
+                    "id": 1234,
+                    "email": "test@example.com",
+                    "name": "Test user name"
+                  }
+                },
+                "userRegistration alt": {
+                  "value": {
+                    "id": 5678,
+                    "email": "test@example.com",
+                    "name": "Test user name"
+                  }
+                }
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "application/json": {
+                "examples": {
+                  "TestExample1": {
+                    "summary": "An example of a cat",
+                    "value": {
+                      "name": "Fluffy",
+                      "petType": "Cat",
+                      "color": "White",
+                      "gender": "male",
+                      "breed": "Persian"
+                    }
+                  },
+                  "curlExample": {
+                    "summary": "An example of a dog",
+                    "value": {
+                      "name": "Fluffy",
+                      "petType": "Dog",
+                      "color": "White",
+                      "gender": "male",
+                      "breed": "Husky"
+                    }
+                  }
+                }
+              }
+            }
+          }
+        },
+        "x-readme": {
+          "code-samples": [
+            {
+              "correspondingExample": "TestExample1",
+              "name": "Custom cURL snippet",
+              "language": "curl",
+              "code": "curl -X POST https://api.example.com/v2/alert",
+              "install": "brew install curl"
+            },
+            {
+              "name": "Another cURL snippet",
+              "language": "curl",
+              "code": "curl -X POST https://api.example.com/v2/another-alert",
+              "install": "brew install curl",
+              "correspondingExample": "curlExample"
+            },
+            {
+              "language": "curl",
+              "code": "# This custom cURL snippet does not have a custom name so it has the name of \"Default #2\".\n\ncurl -X POST https://api.example.com/v2/alert"
+            }
+          ],
+          "samples-languages": ["shell"]
+        }
+      }
+    }
+  },
+  "components": {
+    "securitySchemes": {
+      "petstore_auth": {
+        "type": "oauth2",
+        "flows": {
+          "implicit": {
+            "authorizationUrl": "http://petstore.swagger.io/oauth/dialog",
+            "scopes": {
+              "write:pets": "modify pets in your account",
+              "read:pets": "read your pets"
+            }
+          }
+        }
+      }
+    },
+    "schemas": {
+      "Tag": {
+        "type": "object",
+        "properties": {
+          "id": { "type": "integer", "format": "int64" },
+          "name": { "type": "string" }
+        }
+      },
+      "Pet": {
+        "type": "object",
+        "required": ["name", "photoUrls"],
+        "properties": {
+          "id": { "type": "integer", "format": "int64" },
+          "name": { "type": "string", "example": "doggie" },
+          "photoUrls": { "type": "array", "items": { "type": "string" } },
+          "tags": {
+            "type": "array",
+            "items": { "$ref": "#/components/schemas/Tag" }
+          },
+          "status": {
+            "type": "string",
+            "description": "pet status in the store",
+            "enum": ["available", "pending", "sold"]
+          }
+        }
+      }
+    }
+  },
+  "x-readme": {
+    "explorer-enabled": true,
+    "proxy-enabled": true,
+    "samples-enabled": true
+  }
+}
diff --git a/3.0/yaml/example-groups.yaml b/3.0/yaml/example-groups.yaml
new file mode 100644
index 0000000..9a3fbab
--- /dev/null
+++ b/3.0/yaml/example-groups.yaml
@@ -0,0 +1,134 @@
+openapi: 3.0.3
+info:
+  title: Example Groups Demo
+  description: 'https://docs.readme.com/docs/openapi-extensions'
+  version: 1.0.0
+servers:
+  - url: 'https://httpbin.org/anything'
+tags:
+  - name: Example Groups
+    description: >-
+      https://docs.readme.com/main/docs/openapi-extensions#corresponding-response-examples
+paths:
+  /x-code-samples:
+    post:
+      operationId: x-readme_code-samples_example-groups
+      summary: 'Custom Code Sample with `correspondingExample` '
+      description: >-
+        This is a demonstration of our example group pairing with our
+        `x-readme.code-samples` extension via the `correspondingExample` key.
+
+
+        https://docs.readme.com/main/docs/openapi-extensions#corresponding-response-examples
+      tags:
+        - Example Groups
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/Tag'
+            examples:
+              userRegistration:
+                value:
+                  id: 1234
+                  email: test@example.com
+                  name: Test user name
+              userRegistration alt:
+                value:
+                  id: 5678
+                  email: test@example.com
+                  name: Test user name
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              examples:
+                TestExample1:
+                  summary: An example of a cat
+                  value:
+                    name: Fluffy
+                    petType: Cat
+                    color: White
+                    gender: male
+                    breed: Persian
+                curlExample:
+                  summary: An example of a dog
+                  value:
+                    name: Fluffy
+                    petType: Dog
+                    color: White
+                    gender: male
+                    breed: Husky
+      x-readme:
+        code-samples:
+          - correspondingExample: TestExample1
+            name: Custom cURL snippet
+            language: curl
+            code: 'curl -X POST https://api.example.com/v2/alert'
+            install: brew install curl
+          - name: Another cURL snippet
+            language: curl
+            code: 'curl -X POST https://api.example.com/v2/another-alert'
+            install: brew install curl
+            correspondingExample: curlExample
+          - language: curl
+            code: >-
+              # This custom cURL snippet does not have a custom name so it has
+              the name of "Default #2".
+
+
+              curl -X POST https://api.example.com/v2/alert
+        samples-languages:
+          - shell
+components:
+  securitySchemes:
+    petstore_auth:
+      type: oauth2
+      flows:
+        implicit:
+          authorizationUrl: 'http://petstore.swagger.io/oauth/dialog'
+          scopes:
+            'write:pets': modify pets in your account
+            'read:pets': read your pets
+  schemas:
+    Tag:
+      type: object
+      properties:
+        id:
+          type: integer
+          format: int64
+        name:
+          type: string
+    Pet:
+      type: object
+      required:
+        - name
+        - photoUrls
+      properties:
+        id:
+          type: integer
+          format: int64
+        name:
+          type: string
+          example: doggie
+        photoUrls:
+          type: array
+          items:
+            type: string
+        tags:
+          type: array
+          items:
+            $ref: '#/components/schemas/Tag'
+        status:
+          type: string
+          description: pet status in the store
+          enum:
+            - available
+            - pending
+            - sold
+x-readme:
+  explorer-enabled: true
+  proxy-enabled: true
+  samples-enabled: true