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Which webhook events are available and how are they signed?

Updated Oct 7, 2026

Events: link.created, link.clicked, link.deleted, overlay.response and bio.submission. Each delivery is signed with HMAC-SHA256 in the X-ShortGo-Signature header.

ShortGo can send these webhook events to your endpoint:

  • link.created, link.deleted
  • link.clicked — high volume, so make sure your endpoint can keep up
  • overlay.response — a visitor answered a CTA overlay (form, poll, signup…)
  • bio.submission — a form on a bio page was submitted

Every delivery is signed with HMAC-SHA256. The signature is in the X-ShortGo-Signature header as sha256=..., computed over <timestamp>.<body> with your webhook secret. Recompute it on your side and reject mismatches. Failed deliveries are retried. Details are at /developers.

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