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PUT
/
v1
/
customers
/
{customerId}
Update a customer
curl --request PUT \
  --url https://api-eu.flexportal.io/v1/customers/{customerId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Tenant-ID: <tenant-id>' \
  --data '
{
  "customerId": "<string>",
  "firstName": "<string>",
  "lastName": "<string>",
  "company": "<string>",
  "phone": "<string>"
}
'
{
  "success": true,
  "message": "<string>",
  "customerId": "<string>",
  "customer": {
    "customerId": "<string>",
    "tenantId": "<string>",
    "email": "<string>",
    "firstName": "<string>",
    "lastName": "<string>",
    "totalOrders": 123,
    "totalDevicesRented": 123,
    "totalMonthlyRevenue": 123,
    "orderIds": [
      "<string>"
    ],
    "rentalIds": [
      "<string>"
    ],
    "createdBy": "<string>",
    "company": "<string>",
    "phone": "<string>",
    "customFields": {},
    "lastBillingAddress": {
      "contactName": "<string>",
      "streetAddress": "<string>",
      "city": "<string>",
      "country": "<string>",
      "company": "<string>",
      "buildingInfo": "<string>",
      "locality": "<string>",
      "adminArea": "<string>",
      "postalCode": "<string>"
    },
    "lastShippingAddress": {
      "contactName": "<string>",
      "streetAddress": "<string>",
      "city": "<string>",
      "country": "<string>",
      "company": "<string>",
      "buildingInfo": "<string>",
      "locality": "<string>",
      "adminArea": "<string>",
      "postalCode": "<string>"
    },
    "createdAt": "<unknown>",
    "updatedAt": "<unknown>",
    "lifetimeCollected": 123,
    "totalAcquisitionCost": 123,
    "customerMargin": 123,
    "customerMarginPercent": 123,
    "subscriptionsTracked": 123
  }
}

​
Overview

Update a customer’s profile information, contact details, or addresses. Use this endpoint to keep customer data current or to correct information after initial order creation.

​
Common Use Cases

  • Profile Updates: Customer changed their phone number or email
  • Company Changes: Customer switched jobs or company renamed
  • Address Updates: Customer moved to a new location
  • Data Correction: Fix typos or errors from initial order entry
  • CRM Sync: Update customer data from external systems

​
Updatable Fields

FieldDescription
emailCustomer email address
firstNameFirst name
lastNameLast name
companyCompany name
phonePhone number
customerTypeindividual or business
billingAddressBilling address object
shippingAddressShipping address object

​
Partial Updates

Only include fields you want to change: 
{
  "phone": "+31612345678",
  "company": "New Company Name"
}

​
Updating Addresses

Update billing or shipping addresses: 
{
  "billingAddress": {
    "contactName": "Finance Department",
    "company": "Acme Corporation",
    "streetAddress": "789 New Street",
    "city": "Utrecht",
    "postalCode": "3500 AA",
    "country": "Netherlands"
  }
}
Address fields:
FieldRequiredDescription
contactNameYesContact person at this address
streetAddressYesStreet name and number
cityYesCity name
countryYesCountry name
companyNoCompany name
buildingInfoNoBuilding, floor, suite
localityNoNeighborhood or district
adminAreaNoState or province
postalCodeNoZIP or postal code

​
Example: Update Contact Information

await updateCustomer('cust_abc123', {
  phone: '+31687654321',
  email: 'newemail@company.com'
});

​
Example: Update for Company Merger

// Customer's company was acquired
await updateCustomer('cust_abc123', {
  company: 'Acquiring Company B.V.',
  billingAddress: {
    contactName: 'Finance Department',
    company: 'Acquiring Company B.V.',
    streetAddress: '100 Corporate Plaza',
    city: 'Amsterdam',
    postalCode: '1000 AA',
    country: 'Netherlands'
  }
});

​
Changing Customer Type

Convert between individual and business: 
{
  "customerType": "business",
  "company": "New Business LLC"
}
Changing customer type to business enables features like billing groups for consolidated invoicing.

​
Impact on Existing Data

ChangeImpact
EmailUpdates customer record; orders retain original email at time of order
AddressUpdates customer record; existing orders/subscriptions retain original addresses
CompanyUpdates display name; historical records unchanged
Updates only affect the customer profile. Existing orders and subscriptions retain the information captured at the time of creation.

Authorizations

​
Authorization
string
header
required

API key obtained from FlexPortal dashboard

Headers

​
Tenant-ID
string
required

Your tenant identifier

Path Parameters

​
customerId
string
required

The customer ID

Body

application/json
​
customerId
string
required
Minimum string length: 1
​
firstName
string
Minimum string length: 1
​
lastName
string
Minimum string length: 1
​
company
string
​
phone
string
​
customerType
enum<string>
Available options:
individual,
business
​
status
enum<string>
Available options:
active,
inactive
​
billingAddress
object
​
shippingAddress
object

Response

Customer updated

​
success
enum<boolean>
required
Available options:
true
​
message
string
required
​
customerId
string
required
​
customer
object
required