Trying out the Send feature of Gmail API using Postman

Attempting to use the Gmail API for sending emails. Utilizing Postman as a tool to test requests and obtain correct code for web application integration, encountering an error:

{
  "error": {
    "errors": [
        {
            "domain": "global",
            "reason": "invalidArgument",
            "message": "Recipient address required"
        }
    ],
    "code": 400,
    "message": "Recipient address required"
   }
}

POST request link being used:

https://www.googleapis.com/upload/gmail/v1/users/me/messages/send

Header information includes:

Authorization: Bearer ya29.xxxxxxxxx
Content-Type: message/rfc822

Request body details:

{

"raw" : "RnJvbTogQWxle......"

}

Testing through Google's own documentation API testing sidebar works but using Postman is proving challenging. Seeking assistance for working with Postman and Gmail API for proper AJAX call formatting. Any guidance would be appreciated.

Answer №1

After some troubleshooting, I pinpointed my mistake. I updated the content-type to:

Content-Type: application/JSON

Additionally, I modified the request URL to:

 https://content.googleapis.com/gmail/v1/users/me/messages/send

These adjustments successfully resolved the problem I was facing.

Answer №2

Host: www.googleapis.com

Content-Type: message/rfc822

Authorization: Bearer MY_TOKEN

Cache-Control: no-cache

Postman-Token: 3b313d0c-e678-49cd-b977-017b6380a25f

 {
  "raw": "ZnJvbTpteUBnbWFpbC5jb20KdG86c29tZW9uZUByb2JvbXEuaW8KY2M6eW91QGdtYWlsLmNvbQpzdWJqZWN0OlRlc3QgRnJvbSBQb3N0bWFuCk1lc3NhZ2UtSWQ6IGNoZWNraW5nIGluIHBvc3RtYW4KSGVsbG8gRnJvbSBQb3N0bWFuIGluc2h1"
,

  "id": "me" ,


  payload": {

    "filename": "Filename",

    "mimeType": "message/rfc822",

    "headers": [
      {
        "name": "to",

        "value": "me"
      },
    ],

  "body": 
{
      "attachmentId": "/home/inshu/Desktop/signup.txt",

      "data": "",

      "size": 1524
    }  

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