Gmail API for sending mails in Node.js
Disclaimer: I have followed Google's own Node.js quickstart guide and successfully connect and use the gmail.users.labels.list() functionality. I have checked for questions/answers here, like this one (that is not using the Node.js API I am asking about), or this one (similar to this one ) which apparently is the same problem I have but the solution does not work. My problem: When using Google's Node.js API I get a error trying to send a email. The error is: { "code": 403, "errors": [{ "domain": "global", "reason": "insufficientPermissions", "message": "Insufficient Permission" }] } My setup: