Metalcraft Gateway

Unified messaging passthru (SMS / WhatsApp via Twilio), authenticated through Metalcraft ID. Wire-compatible with the PipeStreamr protocol, so existing consumers work unchanged.

Auth with a Metalcraft ID PAT (Authorization: Bearer mck_…) or sign in: /login.

• POST /api/v1/messages/send — send a message
• POST /webhook/twilio/{integration_id} — carrier inbound
• GET/POST /api/v1/integrations — manage integrations
• GET /api/v1/messages — message log
• GET /health — liveness