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How to fix “Cloudflare 522 — connection timed out”

Cloudflare could not connect to your origin in time—origin down, firewall, or slow TLS.

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Updated Apr 20, 2026

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Fastest fix

Start here first. Step 1 fixes most cases—then work down the list.

  1. Reproduce with the smallest URL/command and capture full stderr or response body.
  2. Confirm versions (runtime, CLI, framework) against official requirements.
  3. Compare with CI or a second machine to rule out local-only issues.

What this means

Cloudflare could not connect to your origin in time—origin down, firewall, or slow TLS. Use the steps below as a practical checklist—adapt commands to your OS and stack.

Common causes

  • Environment mismatch

    Different Node/OS versions, missing env vars, or drift between local and deployed configs.

  • Bad inputs or timing

    Race conditions, partial deploys, or hitting endpoints before dependencies are ready.

Step-by-step fix

  1. Isolate and verify

    1. Reproduce with the smallest URL/command and capture full stderr or response body.
    2. Confirm versions (runtime, CLI, framework) against official requirements.
    3. Compare with CI or a second machine to rule out local-only issues.

Related

FAQ

Is this tailored to my exact stack?
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What should I paste into support?
Full error text, timestamps, versions, and whether it reproduces in a clean profile or container.
Can I share this page?
Yes—each fix has a stable URL. Use “Copy fix link” on the page for teammates.

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Original error message
Error 522: Connection timed out
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