curl --request GET \
  --url http://localhost:3000/api/v1/meta \
  --header 'Authorization: Bearer <token>'

{
  "version": "v1",
  "capabilities": [
    "<string>"
  ],
  "supported_fields": {
    "articles": [
      "<string>"
    ],
    "stories": [
      "<string>"
    ],
    "categories": [
      "<string>"
    ],
    "companies": [
      "<string>"
    ],
    "countries": [
      "<string>"
    ],
    "exchanges": [
      "<string>"
    ]
  },
  "content_types": [
    "<string>"
  ],
  "rate_limit_policy": "<string>",
  "supported_countries": [
    "<string>"
  ],
  "supported_scopes": [
    "<string>"
  ]
}