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Hey all, I’m running into an issue with a Make.com...
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ABC123
07/22/2025, 11:31 AM
Hey all, I’m running into an issue with a Make.com → VAPI webhook integration. I have a Make scenario set up that returns availability results for a salon appointment. The webhook returns a valid 200 response and well-structured JSON like this: json { "results": [ { "toolCallId": "call_XXXXXXXXXXX", "result": "Oh no, that time’s taken! But I have 1:00 PM or 4:00 PM open that day. What works best for you?" } ] } However, VAPI always shows "No result returned" — even when the webhook completes successfully and the response body is correct (as you’ll see in the screenshots). This happens in both cases: When the time is available And when the time is not available In both cases, VAPI never uses the result string I’m sending — it just makes up a fallback message like “It looks like I couldn't find availability…” instead of reading what I passed in. Questions: Why is VAPI not reading or using the result message I return in the webhook response? Is there something extra I need to configure so VAPI actually reads the JSON properly? Has anyone successfully used toolCallId and result to make the assistant speak custom availability responses? Thanks in advance for any help! 🙏
https://cdn.discordapp.com/attachments/1211483571454218261/1397179212867309648/Screenshot_2025-07-22_at_7.25.18_AM.png?ex=6880c80a&is=687f768a&hm=12921873b7ab362ccd88a6d46d5097012aedb6832bfad25b6cf179251098ec7d&
https://cdn.discordapp.com/attachments/1211483571454218261/1397179213215174677/Screenshot_2025-07-22_at_7.25.08_AM.png?ex=6880c80a&is=687f768a&hm=f2c00f3b8fe91c2528b780adf2d591faba6cfd763a33f3815fde8ce112c13425&
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