> ## Documentation Index
> Fetch the complete documentation index at: https://docs.webhook.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Troubleshooting & FAQ

> The common webhook.co problems — webhooks not arriving, delivery failures, signature errors, duplicates, and auth — each with the cause and the fix.

Most issues fall into a handful of buckets. Find yours below. There's also a compact
[developer troubleshooting reference](/troubleshooting) with the quickest verification / delivery /
auth answers.

<CardGroup cols={2}>
  <Card title="My webhooks aren't arriving" icon="inbox" href="/help/troubleshooting/webhooks-not-arriving">
    Nothing showing up? Work through the checklist.
  </Card>

  <Card title="A delivery failed" icon="paper-plane" href="/help/troubleshooting/delivery-failures">
    Delivery states, the status→cause→fix table, and retries.
  </Card>

  <Card title="A signature won't verify" icon="shield-check" href="/help/troubleshooting/signature-verification">
    Verification states and why a check fails.
  </Card>

  <Card title="Duplicates, ordering & retries" icon="clone" href="/help/troubleshooting/duplicates-ordering-and-retries">
    Repeated events, order, and how retries work.
  </Card>

  <Card title="Errors & common questions" icon="triangle-exclamation" href="/help/troubleshooting/common-errors-and-faq">
    401 / 403 / 429, a leaked key, and quick answers.
  </Card>

  <Card title="Get more help" icon="life-ring" href="/help/getting-help/overview">
    Still stuck? How to reach us.
  </Card>
</CardGroup>