curl --request GET \
  --url https://gateway.7exchange.io/customer/1.0.0/documents/getByPurpose/{purpose}/{customerId} \
  --header 'Authorization: Bearer <token>' \
  --header 'tenantId: <tenantid>' \
  --header 'token: <token>'

{
  "reason": "<string>",
  "path": "<string>",
  "method": "<string>",
  "message": "<string>",
  "timestamp": "<string>",
  "status": 123
}