curl -X POST 'https://api.va.landing.ai/v1/ade/extract' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -F 'schema={"type": "object", "properties": {"field1": {"type": "string"}, "field2": {"type": "string"}}}' \
  -F 'markdown=@markdown.md' \
  -F 'model=extract-latest'

{
  "extraction": {},
  "extraction_metadata": {},
  "metadata": {
    "filename": "<string>",
    "org_id": "<string>",
    "duration_ms": 123,
    "credit_usage": 123,
    "job_id": "<string>",
    "version": "<string>",
    "schema_violation_error": "<string>",
    "fallback_model_version": "<string>",
    "warnings": [
      {
        "msg": "<string>"
      }
    ]
  }
}