How to build a public Kajabi integration: Building the Auth Flow

Aug 11, 2024 • 6 minute read

Hey there, fellow JavaScript enthusiast! Ready to dive into the world of Kajabi integrations? Let's roll up our sleeves and build an authorization flow that'll make your users feel like they're gliding through silk. We're going to focus on the nitty-gritty of auth, so buckle up!

The Lowdown

Kajabi's a powerhouse for digital entrepreneurs, and integrating with it can open up a world of possibilities. But before we can play with all that juicy data, we need to get our auth game on point. Trust me, it's not as daunting as it sounds!

Before We Jump In

Make sure you've got:

A Kajabi Developer account (if you don't, go grab one!)
OAuth 2.0 basics under your belt
Node.js and Express.js ready to rock

Got all that? Awesome, let's get this party started!

Setting Up Your Kajabi App

First things first, head over to the Kajabi Developer Portal and create your app. It's like setting up your secret clubhouse:

Log in and hit that "New App" button
Fill in the deets and save
Snag your client ID and client secret (guard these with your life!)
Set your redirect URI (we'll come back to this, I promise)

The Auth Flow: Where the Magic Happens

Kicking Off the OAuth Dance

Time to construct that authorization URL. It's like crafting the perfect invitation:

const authUrl = `https://kajabi.com/oauth/authorize?client_id=${clientId}&redirect_uri=${redirectUri}&response_type=code&scope=public`;

Now, send your user to this URL. They'll log in to Kajabi and give your app the thumbs up.

Handling the Callback

Kajabi's going to send your user back with a special code. Catch it like this:

app.get('/callback', async (req, res) => {
  const { code } = req.query;
  // Time to trade this code for some sweet, sweet tokens
});

Token Time!

Exchange that code for access and refresh tokens:

const tokenResponse = await axios.post('https://kajabi.com/oauth/token', {
  grant_type: 'authorization_code',
  code,
  client_id: clientId,
  client_secret: clientSecret,
  redirect_uri: redirectUri
});

const { access_token, refresh_token } = tokenResponse.data;

Store these tokens somewhere safe. They're your golden tickets!

Making It Rain (API Requests)

Now you've got the keys to the kingdom. Use that access token in your API calls:

const response = await axios.get('https://kajabi.com/api/v1/users', {
  headers: { Authorization: `Bearer ${access_token}` }
});

When the token expires, use that refresh token to get a new one. It's like having an endless supply of cookies!

Level Up Your Game

Want to be a real auth hero? Implement PKCE (Proof Key for Code Exchange). It's like adding a force field to your auth flow.

Don't forget to handle errors gracefully. Users appreciate a smooth ride, even when things go sideways.

Take It for a Spin

Set up a test environment and simulate the flow. It's like a dress rehearsal before the big show. Iron out those kinks now, thank yourself later.

You Did It!

And there you have it! You've just built a rock-solid auth flow for your Kajabi integration. Pat yourself on the back, you coding wizard!

Remember, this is just the beginning. Now that you've got auth sorted, the Kajabi API is your oyster. Go forth and build amazing things!

Want to Learn More?

Check out these resources to take your Kajabi integration to the next level:

Now go out there and code something awesome. You've got this! 🚀