Integrate a Crypto Payment Gateway With AI in Under an Hour

Payment integrations used to take a sprint. Read the docs, map the objects, write the calls, discover the webhook behaves differently from the description, go back to the docs.

Most of that was reading. Models are extremely good at reading. So the shape of the work has changed: you hand over the documentation, and you spend your time on the part that still needs judgement, which is the money path.

The whole method

1. Copy the documentation URL. For AIO that is docs.aio.cash.
2. Open whichever assistant you already code with.
3. Tell it your language, your framework, and what you want. "Add crypto checkout to a Next.js app using this API" is enough of a brief.
4. Point the result at staging and watch a test payment move.
5. Change the host and go live.

That is not a simplification for an article. It is what teams are actually doing.

The two environments

Nothing differs between them except the host, which is what makes the last step safe.

• Staging. Dashboard at dash-t.aio.cash, API at api-t.aio.cash/v2.
• Production. Dashboard at dash.aio.cash, API at api.aio.cash/v2.

Build entirely against staging. Create a payment, pay it, watch the callback arrive, check your order moved. Only then switch.

What to review in generated code

A model will produce something that works on the happy path very quickly. These four are where it is worth your own eyes, because they are the ones that cost money rather than time.

1. Signature verification, before anything else

Every callback is HMAC signed. Your handler must recompute the signature and compare it before it touches an order. Generated code sometimes logs the signature and carries on regardless. If a forged callback can mark an order paid, nothing else about the integration matters.

2. Amounts

Floating point and money do not mix. Check that amounts are handled as decimals or minor units end to end, and that nothing is being rounded on the way through.

3. Idempotency

Networks retry. The same callback will arrive twice at some point, and your handler needs to shrug. Key on the payment identifier and make a second delivery a no-op.

4. Secrets

Assistants are cheerfully willing to inline an API key to make an example run. Grep the diff before it is committed.

Then test the unhappy paths

The happy path will already work. Spend your remaining time here instead.

• An underpayment, and an overpayment.
• A payment that arrives after your page has timed out.
• A duplicate callback.
• A callback with a deliberately broken signature. It must be rejected.
• A token you have not configured. It should be recorded and recoverable, not lost.

Why the API is small enough for this to work

This method only works when the surface is small. One pay-in call, one webhook, one signing scheme, and the same shape on every chain. There is no per-chain branching for you to write, because the platform handles the difference between an EVM chain, Tron, Solana and Bitcoin underneath.

Which is the real reason an hour is realistic. It is not that the model is fast. It is that there is not very much to write.

The integration path, with both environments and the questions developers ask first, is here.

Frequently Asked Questions

Can I use AI to integrate a payment API?

Yes, and for a well documented API it is now the fastest route. Give your assistant the documentation URL and your stack, and it will write the pay-in call, the webhook handler and the request signing. Your job shifts from writing the calls to reviewing them and testing the money path.

What should I check in AI-generated payment code?

Four things. That the callback signature is verified before anything is fulfilled. That amounts are handled in minor units or decimals rather than floats. That the same callback arriving twice does not credit an order twice. And that no key or secret has been written into the repository.

How long does an integration take?

Under an hour to a working staging integration for a straightforward checkout. The surface is one pay-in call, one webhook and one signing scheme. Going to production is a change of host, not a rewrite.

Do you have a staging environment?

Yes. Staging is dash-t.aio.cash with its API at api-t.aio.cash/v2, and production is dash.aio.cash with api.aio.cash/v2. The calls are identical, so you build against staging and switch the host when you are satisfied.