curl --request POST \
  --url https://api.sandbox.bitwage.com/api/companies/{company_id}/documents \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "target_type": "company",
  "doc_type": "<string>",
  "category": "<string>",
  "issuing_country": "<string>",
  "base64_image": "<string>",
  "tax_id": "<string>",
  "tax_id_type": "<string>",
  "request_id": "<string>",
  "answer": "<string>",
  "file_name": "<string>"
}
'

{
  "company_id": "<string>",
  "status": "<string>",
  "target_type": "<string>",
  "doc_type": "<string>",
  "request_id": "<string>"
}