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Changelog

What changed in the API and MCP server.

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October 2026: API v1

  • The API moved to /api/v1 with 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/mcp replaces the sendocado-mcp package; it signs in with OAuth or an API key.
  • The OpenAPI document is at /api/v1/openapi.json.