Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Customer data to update
Customer number
"CUST-001"
First name
"John"
Last name
"Doe"
Email address
"john@example.com"
Organization name
"Acme B.V."
Phone number
"+31612345678"
Street address
"Keizersgracht 1"
Postal code
"1015AA"
City
"Amsterdam"
ISO 3166-1 alpha-2 country code
"NL"
VAT number
"NL123456789B01"
nl, en, de, fr, es "nl"
Customer details
"abc123def456"
"John"
"Doe"
"john@example.com"
"2025-01-15 10:30:00"
"CUST-001"
"+31612345678"
"Acme B.V."
"Keizersgracht 1"
"1015AA"
"Amsterdam"
"NL"
"NL123456789B01"
nl, en, fr, de, es "nl"
"cst_abc123"