You can always be up to date with your contacts. Receive the response below whenever a contact or his consents change.
To use the Web SDK please install the snippet first.
"Phone": {
"Birthday": {
"Day":"byte", // nullable
"Month":"byte", // nullable
"Year":"int" // nullable
"Address": {
"Version":"int", // nullable
"Grant":"bool" // true - accepted, false - not accepted, null - no response
In the Header you can find the field "x-signature" which is generated in the webhook creation is sent to verify the authenticity of the request