Hi support, can we use 11 labs v3 on vapi Is the API out?

Hello, I’m currently using conversation nodes to extract variables and pass them into an API Request node. However, instead of receiving the actual values, the API request is receiving the variable placeholders as literal strings (e.g., {{CustomerName}}). This setup used to work correctly, so I’m unsure what has changed. Could you please help me identify what might be causing this issue? Thank you!

Hi team, title says it all, want to specify order of provider. How can I do it ?

Hi Vapi team, i'm unable to authenticate and connect Vapi with my telnyx profile for outbound call. According to this documentation, https://docs.vapi.ai/advanced/sip/telnyx , step shown is to input a SIP URI in this format sip:@sip.vapi.ai, however that's not possible as Telnyx translated number only accepts alphanumeric characters. May i check what is the acceptable SIP URI format to key in, or where else can i insert this SIP URI? Tried authenticating few times and keep getting this error "**:"Couldn't validate SIP trunk credential. SIP gateway creation failed.","error":"Bad Request","statusCode":400** -Below is cmd used: curl -X POST https://api.vapi.ai/credential \ -H "Content-Type: application/json" \ -H "Authorization: Bearer YOUR_VAPI_PRIVATE_KEY" \ -d '{ "provider": "byo-sip-trunk", "name": "Telnyx Trunk", "gateways": [ { "ip": "sip.telnyx.com" } ], "outboundAuthenticationPlan": { "authUsername": "YOUR_SIP_USERNAME", "authPassword": "YOUR_SIP_PASSWORD", "sipRegisterPlan": { "realm": "sip.telnyx.com" } } }'

Hey, team. I've noticed a few concerns with my dashboard. The version showing in settings and organization appears to be a development rather than a release version. The version shows a commit from yesterday, and now I'm missing the integration section in my settings, and one of the assistants I created is not sending information to a connection I created with GoHighLevel. Also, there is not a product keys section in my dashboard. Could someone help confirm if these are related issues and guide me on how to access the correct version? Attaching a screenshot for reference. https://cdn.discordapp.com/attachments/1400397723173261373/1400397723882094632/image.png?ex=688c7d83&is=688b2c03&hm=1cdda34598fcbc51ac0c6b81879d732ac16e8481d5d0165cd33f6a7e9ea904c1& https://cdn.discordapp.com/attachments/1400397723173261373/1400397724720828476/image.png?ex=688c7d83&is=688b2c03&hm=c6762d2b1c14ded86ddb089e1994f8b60c0be77ec34b90ba762291a058679496&

Hello, Sir I want vapi to only do text to speech sdk. I want to use my custom transcriber for my project. I intend to deploy it on a large scale in our company .I request to provide sdk support if there is not or provide some solutions for it.

Hello is there any API for testing call inbound? same on attached image. Thanks https://cdn.discordapp.com/attachments/1400380134489456742/1400380134799970366/image.png?ex=688c6d21&is=688b1ba1&hm=dd171094528adf20934bf30e4c99d61e738a191bfb625ee89900cad794ab2da8&

Started At 2025-07-31 06:43:17.271 Finished At 2025-07-31 06:43:17.342 tool call id - 0b35c1c4-2a17-4c23-9425-a459ef7cc1b7 https://cdn.discordapp.com/attachments/1400378698783260714/1400378698942775336/image.png?ex=688c6bcb&is=688b1a4b&hm=be9df83279302ac8f8f99f615fb6747179b36056939ce3b0563dbc51cbbcdb9a&

We're using warm-transfer-experimental mode with voicemailDetectionType: "transcript" for transferring calls to an AI agent. When the agent is unavailable or voicemail is detected, we fall back to a custom message, after which the assistant should continue the conversation with the caller. Here is the relevant configuration snippet:

typescript
destination: {
  type: "number",
  message,
  number,
  numberE164CheckEnabled: true,
  callerId,
  transferPlan: {
    mode: "warm-transfer-experimental",
    voicemailDetectionType: "transcript",
    fallbackPlan: {
      message: `It seems ${fullName || "team member"} is currently busy or on another call. Can I take a message?`,
      endCallEnabled: false,
    },
    summaryPlan: { ... }
  }
}

Issue: In about 2 out of every 10 calls, when the fallback message is triggered: The fallback message plays successfully the first time. The assistant then continues the conversation with the caller as expected. But after a few seconds, the fallback message plays a second time, unexpectedly and interrupts the flow and the second playback gets cut off mid-sentence or the call hangs up abruptly. Expected Behavior: The fallback message should play once. After that, the assistant should remain in control and not repeat the fallback message or hang up unless explicitly instructed. @Shubham Bajaj @Kings_big💫

Hi We are seeing failure on the SIP level when we receive inbound call from SIP, it is not going through as vapi sip service returns the 491, please see the below screenshot attached. https://cdn.discordapp.com/attachments/1400366037496500294/1400366037719056384/image.png?ex=688c6000&is=688b0e80&hm=e6c3900cfdc748b29971cfaffb0d2e44450ab9744952f36eaa718fb56c0e24f5&

Is there an API to update the server_url (and secret) on the Organisation level programmatically? If not, any plans to do so? Many thanks

This is my call ID, I sat the prompt for success evaluation and structured data. PLease check this and let me know.

Hey, I'm trying to build an inbound call workflow. But Vapi is not transferring the call to the respective numbers. It shows that call transfer is done, but actully it is not. i have configured Twilio number with upgraded plan, but not working, sometimes it transfer the call 1/10. But its just like a random luck. Secondly i have find issues with Vapi variables. They are not functional as well. They don't get data to (LLM) in prompts, and the LLM hallucinate a lot. Can somebody help? #1211483291191083018

Is there a way to play a predefined message before the the agent starts actually speaking? I wanted to inform the customers that the call is being recorded.

Can you send me your account email address?

how to send SMS using Twilio "Alphanumeric Sender ID " and is can we use Telnyx as SMS ? @VAPI Tech @Vapi @Vapi Support Bot

Hi team, I’m running into an issue with the Outbound feature. What’s happening: When I upload a CSV file (using the official template), select a workflow, the "Make a Call" button stays disabled. If I enter a single phone number manually, select the same workflow, the button is enabled and the call works fine. So the workflow itself works — but not when used with a CSV upload. About the CSV: I used the template from the UI. It includes customer name, phone number, and some other custom variables. No error messages are shown. Also curious about: In the Campaign menu, I don’t see an option to link a workflow. Is it possible to run a campaign that uses a workflow and pulls values from the CSV (like customer name, product name, etc)? My goal: I want to upload a CSV with customer data and trigger outbound calls through a workflow that can use those variables dynamically in the call flow. Would love to know: Is CSV + Workflow supported in Outbound? Can we apply workflows to Campaigns? If supported, is there something I’m missing in the setup? Thanks in advance!

How to configure my Vapi API Request tool so that on every inbound call it automatically sends the real caller’s phone number (e.g. +14155551234) in the request body to my n8n webhook instead of the literal {{call.from}}? Context: I’m building an inbound voice assistant in Vapi that uses a custom API Request tool (get_customer_info) to POST to our n8n webhook and look up callers in our CRM. Goal: On every inbound call, I need Vapi to automatically inject the real caller’s phone number (e.g. +14155551234) into the JSON body of that API request—rather than sending the literal template {{call.from}}.

Hi , I launched an outbound campaign today and selected the option to "Call leads now," but the campaign stays stuck on "Scheduled" and never actually starts calling. The leads are uploaded correctly with my vonage phone number, and the bot is connected. I’ve also tried just scheduling one outbound call and it gives me an error and says its over the concurrency limit. Can you help me figure out what’s preventing the campaign from dialing and how I can fix this? Thanks, Azeem https://cdn.discordapp.com/attachments/1400242893616320593/1400242893922238597/image.png?ex=688bed51&is=688a9bd1&hm=e0f1e8207d52df5fd0322cb729a1fb472d1bd1ce8e81dd869748af9028d81214& https://cdn.discordapp.com/attachments/1400242893616320593/1400242894257918016/image.png?ex=688bed51&is=688a9bd1&hm=9ae0c2e07327d6e18385d44330068ea5bb9810fd497f6d5416799bad0657a760&

Hi Everyone, I've ran into a snag and need a second(or more) eyes to tell me what im doing wrong. My sip trunk provider gave me the following SIP Authentication ID:888888 SIP Password:5555555 Server:hpbx026.XXXXXX.com Port:5060 This is the api call I made: curl --location 'https://api.vapi.ai/credential' \ --header 'Content-Type: application/json' \ --header 'Authorization: Bearer XXXXXXXXX' \ --header 'Cookie: _cfuvid=a8llnlIQA9cCjTJV05wE1t0qkJihOrMc41Enf_24yrE-1753911541612-0.0.1.1-604800000' \ --data '{ "provider": "byo-sip-trunk", "name": "TestTrunk", "gateways": [{ "ip": "hpbx026.XXXXXXXXXX.com" }], "outboundLeadingPlusEnabled": false, "outboundAuthenticationPlan": { "authUsername": "888888", "authPassword": "5555555" } }' Unfortunetly its not registering. Am I missing something?

Hey. I’ve been trying to connect a phone number to Vapi using NEXION Networks as the SIP trunk provider, but I haven’t been able to get it working. I did everything as described in Vapi Docs - firstly I create a SIP trunk credential in Vapi, then I associated a phone number with the SIP trunk and then I set to forward calls to {phoneNumber}@.sip.vapi.ai inside the provider. I also allowlisted the necessary IPs. I see the Sip trunk connection in integrations, I see the connected phone number in the dashboard and I set calls to be forwarded to Vapi assistant. Still calls are not connecting. Questions from me: 1)How does Vapi register to a “byo-sip-trunk” 2)What is the format of the SIP user i.e. does it include country code and + sign? 3)Is there any way to see if Vapi has successfully registered to our trunk? Thank you in advance for your help! https://cdn.discordapp.com/attachments/1400235351020408934/1400235351255158935/Screenshot_2025-07-30_at_23.54.21.png?ex=688be64a&is=688a94ca&hm=2066645e9e5d8bcea551d504a63cbe80eff5db0e1cedfbf6c3f9c37731df317a&

Hey team! Quick question — is it currently possible to use SSML in the First Message field in VAPI? I’ve tried wrapping the message in tags and using standard SSML like and , but when I run it, the voice either ignores the tags or literally reads them out (like saying "laugh" instead of producing a laugh effect). I’m using ElevenLabs as the voice provider, which I know supports SSML in general — just not sure if it’s supported in the First Message specifically or if I’m missing a flag or formatting trick. Has anyone been able to get this working? Or is SSML in First Message not supported yet? Thanks in advance!

Hey VAPI, I can't find my integrations tab. Dont know what's going on. Can you get this up for me please? https://cdn.discordapp.com/attachments/1400218505562947674/1400218505747501238/image.png?ex=688bd69a&is=688a851a&hm=aa228e776030750f073005a879deb69a6181a8996124ddf3e2e1eae6a0d2238d&

Hello, the voice sound for the agents is a little bit too low for my agent. How can I increase it? I wasn`t able to find a config for this.

I'm testing my VAPI agent with MCPs and can see "Knowledge Base Tool Completed successfully" in the call transcript (timestamp 02:36 PM), but I can't locate the actual request body and response logs anywhere in the dashboard. The tool is executing successfully, but I need to see the raw HTTP request/response data for debugging. Where should these MCP tool logs appear?

I am unable to see my integrations tab. I used it yesterday just fine. But I am looking for it today ant there isn't a tab under settings anymore.

I need to check the outbound calls rate per minute to the US and if I'm using a subscription, how much would it be?

We are currently stuck on concurrency limit. No calls have gone out for over an hour since making this post and I can cannot make a new one. Furthermore I've tried to contact sales several times about upgrading my account I have clients waiting to use this service but not if I'm stuck at 10 concurrents. Please someone contact me soon. I reached out last week. Thank you. This is very urgent.

Hi team. I'm using VAPI-MAKE flow with VAPI transient agent created via POST. If you could help me troubleshoot what do I have missing in the flow and why the VM wasn't left by VAPI assistant on this call? Call ID 029572ec-321e-450e-9eea-2086e9916940 The vm prompt was very clear "The person you are trying to reach is not available. Please leave a message after the tone" so I would expect a clear VM to be left by agent. I copied this workflow and previously it was working fine in a similar setup with slightly different Make workflow modules configuration, however I didn't touch any VM or other agent settings that could break VM detection. Thank you for looking into this for me.