What’s new
Features, improvements and fixes shipped to SendStack. Follow along as the platform grows.
- July 2026New
WhatsApp channel
Send WhatsApp messages through the official Meta Cloud API on the same key as email and SMS. Approved templates with template_id + template_data, the 24-hour service window for free-form replies, registered senders, and signed delivery + read receipts.
- June 2026New
Prepaid KES wallet
Fund a workspace wallet over M-Pesa or card and pay for credit packs, SMS units, sender IDs and subscriptions from one balance. Auto-renew keeps subscriptions running without manual top-ups.
- June 2026New
SMS sending & sender IDs
POST /sms to Safaricom, Airtel and Telkom with per-segment billing and delivery receipts. Provision branded alphanumeric sender IDs with self-serve KYC and M-Pesa checkout.
- May 2026Improved
Versioned API at /api/v1
Customer and session routes moved under a stable /api/v1 prefix so future changes ship without breaking existing integrations.
- May 2026New
Templates & signed webhooks
Author reusable templates with named placeholders across channels, and receive signed delivery events at your own endpoints with a one-time signing secret.