product · May 16, 2026
Notion Releases 3.5 Update Adding Workers, Webhooks and Markdown API
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Notion released version 3.5 on May 13, 2026 introducing Workers as hosted runtime for custom code, bidirectional webhooks for triggering Notion workflows from external events, and Markdown API for reading and writing pages. Partner agents from Claude, Codex and Decagon integrate natively while Notion MCP gains 91 percent token efficiency for database operations. Customer quotes include Dan Gilbert of Brainlabs calling Notion the AI layer and Sam Lambert of PlanetScale noting nightly PDF sync Workers. Workers stay free until August 11, 2026 when credits activate.
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