# Validate VAST XML - V3

Validates the provided VAST XML content and returns any errors or warnings.

Endpoint: POST /v3.0/creatives/validateVAST
Version: v1.0

## Request body:

  - `text/plain` (unknown)
    VAST XML content to validate

## Response 200:

  - `200` (unknown)
    VAST validation result

## Response 200 fields (application/json):

  - `error` (string)
    VAST validation error message, omitted if no errors present

  - `warnings` (array)
    A set of VAST validation warnings

## Response 401:

  - `401` (unknown)
    Unauthorized - invalid or missing JWT