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PATCH
cURL

Field support per integration

If you’re not using the Interactive Authentication Flow, make sure the query parameters environmentName and companyId are correctly populated. You can obtain these values by using the GET Environments and GET Companies endpoints available under the Authentication section.
Supported request parameters:
enum
required
Available options: CONTACT_PERSON, COMPANY
string
ContactPerson[]
Address[]
EmailAddress[]
PhoneNumber[]

Headers

X-API-KEY
string
required

API key

X-ACCOUNT-KEY
string
required

Account key

Path Parameters

contactId
string
required

Query Parameters

companyId
string
environmentName
string

Body

application/json
addresses
object[]
bankAccount
object
companyName
string
Example:

"maesn"

contactType
enum<string>
Available options:
CONTACT_PERSON,
COMPANY,
UNDEFINED
Example:

"CONTACT_PERSON"

contactPersons
object[]
documentId
string
Example:

"Z1248601M"

emailAddresses
object[]
number
string
Example:

"1042"

phoneNumbers
object[]
projectId
string
Example:

"3"

vatId
string
Example:

"DE123456789"

Response

200 - application/json
meta
object
data
object
Last modified on July 9, 2026