Sends a WhatsApp call permission request to a contact before placing a WhatsApp voice call. The contact receives an interactive approval message and can accept or reject calling permission. Use this when POST /api/v1/whatsapp/call returns no_permission. Requests are rate-limited to 1 per day and 2 per week per contact.
Documentation Index
Fetch the complete documentation index at: https://developers.mindhunters.ai/llms.txt
Use this file to discover all available pages before exploring further.