Changelog
What changed in the API and MCP server.
October 2026: API v1
- The API moved to
/api/v1with snake_case fields, cursor pages and one error shape. - API keys belong to you and work for every project you own; projects go in the path.
- Campaign steps can branch on opens, clicks, tags and attributes.
- New: broadcasts with scheduling, transactional emails with idempotency keys, test emails, webhook endpoints with signed events, audience previews, AI campaign drafts, image uploads, contact exports and erasure.
- The hosted MCP server at
/api/mcpreplaces thesendocado-mcppackage; it signs in with OAuth or an API key. - The OpenAPI document is at
/api/v1/openapi.json.