curl --request POST \
  --url https://api-prod.blaaiz.com/api/external/customer/{id}/kyc-data \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "dob": "1990-01-01",
  "street": "123 Main St",
  "city": "Lagos",
  "zip_code": "100001",
  "id_expiry_date": "2030-12-31"
}
'

{
  "message": "Business customer KYC data updated successfully.",
  "data": {
    "id": "9d4c4ec5-59ea-4130-bf8a-6a5edec401ee",
    "business_id": "9d4c4ec5-572d-49de-a362-f01ed09f2b1b",
    "first_name": "John",
    "last_name": "Doe",
    "business_name": null,
    "type": "individual",
    "email": "john.doe@company.com",
    "country": "NG",
    "id_type": "passport",
    "id_number": "6733823632872",
    "verification_status": "PENDING",
    "kyc_data": {}
  }
}