post https://sandbox-api.helix.q2.com/customer/update
See customer object definition for parameter details. [block:callout] { "type": "warning", "body": "As a fraud prevention mechanism very few properties can be updated via API if your program uses Helix KYC/IDV. The list of properties will vary based on your specific program settings. Please reach out to your relationship manager if you have any questions about enabling certain property updates." } [/block]