Add a contact to the list

The method provides the ability to add an existing contact to the list. The action can be single or bulk.

To add contact to the list make a request, to this URL:

POST http://one-api.bsg.world/api/groups/attach

Parameter	Required	Type	Description
contacts	Yes	integer	Contacts IDs, minimum 1, maximum 200.
groups	Yes	integer	Contact lists IDs, minimum 1, maximum 20.

{
  "contacts": [
    44333
  ],
  "groups": [
    48718
  ]
}

If the request is successful, you will get a 200 Successful attached response.

If the request fails, an error object will be returned.