curl --request POST \
  --url https://prod.featherhq.com/api/v1/knowledge-base/file \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '{
  "fileId": "<string>",
  "prompt": "<string>"
}'

{
  "id": "<string>",
  "fileName": "<string>",
  "key": "<string>",
  "status": "PENDING",
  "createdAt": "<string>",
  "updatedAt": "<string>"
}