#Changelog

Changes to the VanceTel API are listed here in reverse-chronological order. Additive changes ship continuously; any breaking change is announced here ahead of time and versioned under a new base path.

Want updates pushed to you instead? Inbound activity is delivered via signed Webhooks. API release notes are published on this page.

#2026-05-31

Initial public API: messages, contacts, webhooks, deep links, and the MCP server.
POST /messages and GET /messages/{id} for sending and looking up SMS/MMS. See Send an SMS.
POST /contacts and GET /contacts/{id} for creating and resolving contacts. See Contacts.
message.received webhook for inbound messages, HMAC-SHA256 signed via the X-Netexem-Signature header.
Deep links for click-to-call and pre-addressed texts (recipient pre-filled).
MCP server so AI agents and Claude Code can act on the phone system in the loop.
Bearer API key authentication on all endpoints.