Zoho CRM Webhook Not Triggering
Quick answer
Webhooks fail on unsupported ports (only 9443 and 9090 are allowed), unencoded URLs, or because they don't support custom headers. Check Setup > Actions > Webhooks > Failures.
Most likely fix: Read the failure log
How to fix it
Try these in order — the most common fix is first.
1. Read the failure log
- Go to Setup > Actions > Webhooks > Failures
- Note the error for the failing call
Did this fix it?2. Fix the URL
- Use port 9443 or 9090 if you need a non-standard port
- Correct the URL encoding yourself before saving
Did this fix it?3. Replace headers with a function
- Webhooks don't support headers, only URL parameters
- If your edition includes custom functions, call the API from a function instead
Did this fix it?
Symptoms
A workflow webhook sends nothing to your endpoint or logs a failure.
Why it happens
- URL uses an unsupported port
- URL can't be encoded by the webhook
- Endpoint needs headers but webhooks only support URL parameters
- Workflow itself didn't fire
This guide also covers
- zoho crm webhook not working
- zoho crm webhook failed
- zoho crm webhook headers
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