Update Contact

Edit a contact that exists on a list Used for adding new or updated custom data to a contact on a list.

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Form Data
integer
required

Numeric ID of the list to be added to. This ID is the numerical reference to one of your recipient lists. It can be found in the URL and displayed on a destination list page in your account. A list ID can also be created using the add-list call.

string
required

Mobile number of contact being updated. Invalid numbers will be ignored. Number must be defined in E.164 international format.

string

First name of contact being added.

string

Last name of contact being added.

string

Custom field name. Firstname and lastname are created by default. There can be up to 10 extra custom fields. n is an integer between 1 and 10.

Headers
string
enum
Defaults to application/json

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