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Guides

Working code for your stack. Five minutes, no account.

Every guide builds a real form you can test before signing up, then shows the messages the way you want them.

Start with your stack

Each of these ends the same way: a form on your site, a real test stored in Postbag, and nothing to babysit. Pick the one that looks like your repository. HTML, Astro and Next.js also have a repo you can clone, if you'd rather start from a working example than type the snippet.

Then send it somewhere useful

A form that only collects is half a form. These wire the messages onward — to your phone, your automations, or a workflow you run yourself.

Give the form job to your agent.

It can build, wire and test the form before you even sign up. Claim it when it's worth keeping.