Hello VAPI Support, I’m currently integrating with your platform, which is connected to Vonage services. I’m working on reconciling call records between VAPI and Vonage, and I’ve noticed that Vonage uses X-Call-Id as the unique identifier for calls, while VAPI uses its own Call ID. Could you please confirm if there’s a way, through your API or logs, to retrieve or correlate Vonage’s X-Call-Id with the corresponding VAPI Call ID? This would help us ensure accurate mapping of call records between both systems. Thank you for your assistance and clarification.

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To correlate Vonage's X-Call-Id with the Vapi Call ID, use the Vapi API to fetch call details and look for the

phoneCallProviderId

field, which represents the Vonage

conversationUuid

(likely the X-Call-Id). Here’s a sample API call:

bash
curl -X GET "https://api.vapi.ai/call/{call_id}" \
  -H "Authorization: Bearer YOUR_API_KEY"

Check the response for `"phoneCallProviderId"`—this should match Vonage's unique call identifier for reconciliation purposes. Note: If "X-Call-Id" and "conversationUuid" differ in your Vonage logs, please verify with Vonage support for exact field mapping. Source: - [Vapi API Reference: Calls](https://docs.vapi.ai/api-reference/calls/list)

Thank you 🫡