How to get a permanent user token for writes using the Trello API?

Question

I\'m trying to write an app that updates my Trello cards with the API. How do I get a permanent user token for the app to write to my Trello board?

Thanks

Answer 1

If you have to do everything server-side, Andy Jones is correct, those are the only two ways.

It should be noted, however, that if you can write javascript+jquery code rather than having to do the redirections server-side, you can take advantage of Trello's client.js wrapper, which does exactly what Andy described, but takes care of most of it for you, which is way convenient.

And, as I recently discovered, if you do need to do processing server-side, you can still probably use client.js, then just get the token with Trello.token() in your auth success handler, and pass that to your server-side code. It looks like this:

// include whatever version of jquery you want to use first


// call this whenever you want to make sure Trello is authenticated, and get a key. 
// I don't call it until the user needs to push something to Trello,
// but you could call it in document.ready if that made more sense in your case.
function AuthenticateTrello() {
        Trello.authorize({
            name: "your project name",
            type: "popup",
            interactive: true,
            expiration: "never",
            success: function () { onAuthorizeSuccessful(); },
            error: function () { onFailedAuthorization(); },
            scope: { write: true, read: true },
        });
 }

function onAuthorizeSuccessful() {
    var token = Trello.token();
    // whatever you want to do with your token. 
    // if you can do everything client-side, there are other wrapper functions
    // so you never need to use the token directly if you don't want to.
}

function onFailedAuthorization() {
    // whatever
}