VAPI•2mo ago

Having issue with Vapi result (not working)

ive created workflow on non for an ai calling agent, but when im running it with agent that i created with Vapi ai. my n8n worflow is not causing any problem, cause its running fine, but vapi is getting me the issue, ive done everything to resolve it, but everytime it just show no result retuned
#support @Vapi @Nir Simionovich (CEO@Cloudonix) @Pigeon @! Ali Plutus @! Puran Tak

Vapi Support BotAPP•10/29/25, 7:07 AM

To fix the "No result returned" error, make sure your n8n workflow returns the following JSON structure in its HTTP Response:

{
  "results": [
    {
      "toolCallId": "YOUR_TOOL_CALL_ID",
      "result": "YOUR_RESULT"
    }
  ]
}

{
  "results": [
    {
      "toolCallId": "YOUR_TOOL_CALL_ID",
      "result": "YOUR_RESULT"
    }
  ]
}

Replace YOUR_TOOL_CALL_IDYOUR_TOOL_CALL_ID and YOUR_RESULTYOUR_RESULT with the actual values from the incoming request and your workflow output. This format is required by Vapi for tool integrations to work correctly (see documentation).

Source:

Custom Tools

⤵️ Mention @Vapi Support Bot for follow-ups 🐥

excited-coffee•10/31/25, 4:14 AM

Quick question do you have a web hook response set in n8n after the webhook you connected?

VapiAPP•11/18/25, 4:29 AM

I sincerely apologize for the delayed response to your support request.
We implemented better tracking for support tickets to ensure timely responses going forward, but due to a technical limitation, this only applies to tickets created after this past week.
I'm closing this older ticket, but if your issue still needs attention, please:
Reply with 'REOPEN' or
Email support@vapi.ai with any updates
I'll personally ensure your new request gets prompt attention.
Thank you for your patience.
Best regards,
Vapi Support Team

Having issue with Vapi result (not working)

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