add file

swagger.yml

@@ -0,0 +1,35 @@
+openapi: 3.0.0
+info:
+  title: WAPP API
+  version: 1.0.0
+
+components:
+  securitySchemes:
+    ApiKeyAuth:
+      type: apiKey
+      in: header
+      name: x-api-key
+
+security:
+  - ApiKeyAuth: []
+
+paths:
+  /api/send:
+    post:
+      summary: Send a WhatsApp message
+      security:
+        - ApiKeyAuth: []
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                phoneNumber:
+                  type: string
+                message:
+                  type: string
+      responses:
+        '200':
+          description: OK