yaml2json api.yml > api.json

curl -k -X POST "https://apigateway.us-east-1.amazonaws.com/"

curl -i
https://apigateway.us-east-1.amazonaws.com/restapis/test?mode=import
-H "Accept: application/yaml"
-F "file=api.yml"
-X POST -d '{"Content-Type": "application/json"}'