call ID: c2cf39d8-b8ca-4c00-8ef3-9b54f330efe3 error: An error occurred in this call: pipeline-error-openai-400-bad-request-validation-failed

Based on the error message you're seeing, this appears to be a validation issue with OpenAI integration. The error

pipeline-error-openai-400-bad-request-validation-failed

typically indicates a problem with tool definitions or schema validation when using strict parameters with OpenAI. Try checking your tool definitions for any formatting issues or invalid parameters that might be causing the validation failure.

The error means your request to OpenAI via Vapi failed due to invalid parameters, token limits, or incorrect formatting, check your request structure, headers, token usage, and ensure you’re using the correct endpoint..