**To create an API mapping for an API** The following ``create-api-mapping`` example maps the ``test`` stage of an API to the ``/myApi`` path of the ``regional.example.com`` custom domain name. :: aws apigatewayv2 create-api-mapping \ --domain-name regional.example.com \ --api-mapping-key myApi \ --api-id a1b2c3d4 \ --stage test Output:: { "ApiId": "a1b2c3d4", "ApiMappingId": "0qzs2sy7bh", "ApiMappingKey": "myApi" "Stage": "test" } For more information, see `Setting up a regional custom domain name in API Gateway <https://docs.aws.amazon.com/apigateway/latest/developerguide/apigateway-regional-api-custom-domain-create.html>`__ in the *Amazon API Gateway Developer Guide*.