Update a customer.
Update a customer.
PUT
https://app.softsolz.uk/api/v1/services/invoicing/customers/{id}Recent Requests
Kept only in this browserTimeStatusTook
Send a request with Try it to see it here.
Path Params
idstringrequiredHeaders
AuthorizationstringrequiredBearer token: `Bearer sk_live_...` (or `sk_test_...` for sandbox). A login token will not work here.
Body Params
display_namestringCustomer display name (required, trimmed).
emailstring | nullPrimary AR email (lower-cased).
phonestring | nullContact phone.
billing_address_line1string | nullBilling address line 1.
billing_citystring | nullBilling city.
billing_postal_codestring | nullBilling postal code.
billing_countrystring | nullBilling country (ISO 2-letter).
tax_idstring | nullTax / VAT id.
default_payment_terms_daysintegerDefault payment terms in days (default 30).
default_currencystring3-letter currency code; defaults to USD.
notesstring | nullFree-text notes.
expected_updated_atstringOptimistic-concurrency guard; if stale, returns 409 STALE_VERSION.
Response
Response Body
idintegerCustomer id.display_namestringCustomer display name.emailstring | nullPrimary AR email.phonestring | nullContact phone.billing_address_line1string | nullBilling address line 1.billing_citystring | nullBilling city.billing_postal_codestring | nullBilling postal code.billing_countrystring | nullBilling country (ISO 2-letter).tax_idstring | nullTax / VAT id.default_payment_terms_daysintegerDefault payment terms in days.default_currencystringDefault ISO 4217 currency code.is_activebooleanFalse once archived.created_atstringCreation timestamp.updated_atstringLast update timestamp; round-trip as expected_updated_at.Request
curl --request PUT \ --url https://app.softsolz.uk/api/v1/services/invoicing/customers/{id} \ --header 'Authorization: Bearer sk_live_your_key' \ --header 'Content-Type: application/json' \ --data '{ "display_name": "SoftSolz Ltd", "email": "ar@softsolz.example", "phone": "+44 20 7946 0000", "billing_address_line1": "1 High St", "billing_city": "London", "billing_postal_code": "EC1A 1BB", "billing_country": "GB", "tax_id": "GB123456789", "default_payment_terms_days": 30, "default_currency": "GBP", "notes": "Net-30, PO required"}'Credentials
Sent as a Bearer token and used in the samples above and in Try it. Kept only in this browser tab until you close it. Use an sk_test_ key to stay in your sandbox.
Response · 200
{ "data": { "id": 42, "display_name": "SoftSolz Ltd", "email": "ar@softsolz.example", "phone": "+44 20 7946 0000", "billing_address_line1": "1 High St", "billing_city": "London", "billing_postal_code": "EC1A 1BB", "billing_country": "GB", "tax_id": "GB123456789", "default_payment_terms_days": 30, "default_currency": "GBP", "is_active": true, "created_at": "2026-01-15T09:30:00.000Z", "updated_at": "2026-01-15T09:30:00.000Z" }}