Stripe integration

They have tons of friendly APIs, use JSON for everything, and it's the top solution right now for friendly UX, anti fraud (customizable), and scalability.

They also have "connect" apps -- so you can even make a plugin that you 1-click connect to your playfab account (like from your plugin dashboard)

On top of that, Star Citizen uses it, as a prime example.

We use it, too -- you can check out the flow (without actually finishing) @ https://www.ThroneOfLies.com

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In my setup, the client pays >>

goes to my node API before it's officially approved >>

I add a steam key to metadata and description (so the key is delivered via a reliable Stripe email) >>

delete key as soon as I grab it from my mongoDB (add back if err/failed) >>

Show a thank you page if success, or err page if err.

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My open-source implementation (meant for snippets or ideas -- probably won't work if you just clone it):

https://github.com/dylanh724/tol-node-public/blob/master/tol2/routes/stripe.js#L492-L607

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There's also a "simple mode" too, where you just paste some client code and you don't even need a server.