| **To overwrite an existing API using a Swagger template** | |
| Command:: | |
| aws apigateway put-rest-api --rest-api-id 1234123412 --mode overwrite --body 'fileb:///path/to/API_Swagger_template.json' | |
| **To merge a Swagger template into an existing API** | |
| Command:: | |
| aws apigateway put-rest-api --rest-api-id 1234123412 --mode merge --body 'fileb:///path/to/API_Swagger_template.json' | |