diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..271ef01
Binary files /dev/null and b/.DS_Store differ
diff --git a/swagger.json b/swagger.json
new file mode 100644
index 0000000..b701228
--- /dev/null
+++ b/swagger.json
@@ -0,0 +1,55 @@
+{
+    "openapi": "3.0.0",
+    "info": {
+        "title": "Currency Exchange Rate - Documentation",
+        "version": "0.1"
+    },
+    "paths": {
+        "/api/v1/exchange": {
+            "get": {
+                "tags": [
+                    "Currency"
+                ],
+                "summary": "Get the exchange rate for the given amount.",
+                "operationId": "4fdc8759d6e6a162671dd80686b45619",
+                "parameters": [
+                    {
+                        "name": "currency",
+                        "in": "path",
+                        "description": "The currency to exchange",
+                        "required": true,
+                        "schema": {
+                            "type": "string"
+                        }
+                    },
+                    {
+                        "name": "amount",
+                        "in": "path",
+                        "description": "The amount to exchange",
+                        "required": true,
+                        "schema": {
+                            "type": "float"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK"
+                    },
+                    "422": {
+                        "description": "Unprocessable Entity"
+                    },
+                    "500": {
+                        "description": "Internal server error"
+                    }
+                }
+            }
+        }
+    },
+    "tags": [
+        {
+            "name": "Currency",
+            "description": "Currency API endpoint"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/swagger.yaml b/swagger.yaml
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index 0000000..43b08cc
--- /dev/null
+++ b/swagger.yaml
@@ -0,0 +1,37 @@
+openapi: 3.0.0
+info:
+  title: 'Currency Exchange Rate - Documentation'
+  version: '0.1'
+paths:
+  /api/v1/exchange:
+    get:
+      tags:
+        - Currency
+      summary: 'Get the exchange rate for the given amount.'
+      operationId: 4fdc8759d6e6a162671dd80686b45619
+      parameters:
+        -
+          name: currency
+          in: path
+          description: 'The currency to exchange'
+          required: true
+          schema:
+            type: string
+        -
+          name: amount
+          in: path
+          description: 'The amount to exchange'
+          required: true
+          schema:
+            type: float
+      responses:
+        '200':
+          description: OK
+        '422':
+          description: 'Unprocessable Entity'
+        '500':
+          description: 'Internal server error'
+tags:
+  -
+    name: Currency
+    description: 'Currency API endpoint'