Notion Migration Deep Dive

Overview

Production migration patterns for moving data to, from, and between Notion workspaces — rate-limited bulk import, paginated export, cross-platform conversion, and post-migration validation. Every bulk-write path respects Notion's 3 requests/second average rate limit.

Prerequisites

• @notionhq/client v2+ installed (npm install @notionhq/client)
• Python alternative: notion-client (pip install notion-client)
• p-queue for rate-limited concurrency (npm install p-queue)
• Source data access (CSV files, Confluence API, Google Docs API, etc.)
• Target Notion database(s) created with matching property schema

Authentication: create a Notion internal integration at notion.so/my-integrations, share the target database(s) with it, and export the secret as NOTION_TOKEN. Every code sample reads process.env.NOTION_TOKEN — the client never takes an inline credential.