GPT Migrator
APIs, integrations and technical migration

Setting up a Zapier webhook to replace a GPT Action

Last checked October 18, 2026
Short answerIn Zapier, add the Webhooks by Zapier trigger, choose Catch Hook, copy the URL and send test data. Webhooks by Zapier is not available on the Free plan.

From Zapier's help center, checked October 18, 2026.

  1. Create a Zap and add the Webhooks by Zapier trigger.
  2. Choose Catch Hook (parsed) or Catch Raw Hook (unparsed, up to 2 MB, includes headers).
  3. Copy the webhook URL into the sending application.
  4. Send test data, then click Test trigger.

Use it as the endpoint your rebuilt assistant calls in place of a GPT Action: Actions migration. Compare with Make and n8n.

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