google app script as http rest api

google app script as http rest api - hello world.md

function doGet(e) {
    var response = {
      "code": 200,
      "message": "hell world google app script"
    };
    return ContentService.createTextOutput(JSON.stringify(response)).setMimeType(ContentService.MimeType.JSON);
}

//this will not work and CORS error will appear in your browser console
//from backend, it works perfectly
function doPost(e) {
    var response = {
      "code": 200,
      "message": "hell world google app script"
    };
    return ContentService.createTextOutput(JSON.stringify(response)).setMimeType(ContentService.MimeType.JSON);
}

After the deployment as web app plus anonymous mode

You will have a ready to use http public url

• https://script.google.com/a/utec.edu.pe/macros/s/AKfy******eo/exec

This url is ready to use in the backend or frontend with these restrictions

send json to apps script - received event.json

{
    "queryString": "",
    "parameter": {},
    "contextPath": "",
    "contentLength": 197,
    "parameters": {},
    "postData": {
        "contents": "{json here}",
        "length": 197,
        "name": "postData",
        "type": "application/json"
    }
}