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Architecture diagram of jamstack forms posting from a static site to a form backend endpoint

EngineeringSep 17, 2026

Jamstack Forms: Handling Submissions on Static Sites

Static sites have no server to receive a POST. Here are the architecture options for jamstack forms, plus a progressively enhanced pattern that works with or without JavaScript.

6 min read

Diagram of a form webhook sending signed JSON from a website form to a server

EngineeringSep 8, 2026

Form Webhooks Explained: Payloads, Signatures and Retries

A form webhook turns every submission into a signed HTTP request your code can act on. Here is how the payload, signature check, retries and idempotency fit together.

6 min read

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