Add one or more tags to one or more contacts (phone numbers) within a specific contact list. The API queues a background job to apply the requested tags.
POST https://business.me-mate.net/api/betav3/tagmanage/tag/addTagToContacts
This endpoint uses an API key passed in the request body.
{{api_key}} (string): Your API key.Content-Type: application/json (raw JSON body)
api_key (string, required): Use {{api_key}}.
contacts (array, required): List of contact-tag operations.
contactListId (string, required): Target contact list ID.
numbers (string[], required): One or more phone numbers to tag.
tagAdd (number[], required): One or more tag IDs to add.