JavaScript

Get a List of Message IDs in GMail User's Mailbox

See more GMail REST API Examples

Demonstrates how to get a list of message IDs in a GMail mailbox. The "userId" can be either the user's email address or the special value "me" to indicate the authenticated user. JavaScript

var success = false;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

var http = new CkHttp();

http.AuthToken = "ACCESS_TOKEN";

http.Accept = "application/json";

var resp = new CkHttpResponse();
success = http.HttpNoBody("GET","https://www.googleapis.com/gmail/v1/users/userId/messages",resp);
if (success == false) {
    console.log(http.LastErrorText);
    return;
}

console.log("Response Status Code: " + resp.StatusCode);

var jsonResponse = new CkJsonObject();
jsonResponse.Load(resp.BodyStr);
jsonResponse.EmitCompact = false;
console.log(jsonResponse.Emit());

if (resp.StatusCode !== 200) {
    console.log("Failed.");
    return;
}

// {
//   "messages": [
//     users.messages Resource
//   ],
//   "nextPageToken": string,
//   "resultSizeEstimate": unsigned integer
// }

var id;
var threadId;

var resultSizeEstimate = jsonResponse.IntOf("resultSizeEstimate");
var i = 0;
var count_i = jsonResponse.SizeOfArray("messages");
while (i < count_i) {
    jsonResponse.I = i;
    id = jsonResponse.StringOf("messages[i].id");
    threadId = jsonResponse.StringOf("messages[i].threadId");
    i = i+1;
}