To connect Mailchimp to Notion, use a connector: neither Mailchimp's nor Notion's documentation describes a native connection between them. Zapier lists templates that add or update Mailchimp subscribers from Notion database items, log new Mailchimp campaigns in Notion, and unsubscribe emails from Mailchimp. Both vendors also have APIs for custom builds.
Neither Mailchimp's nor Notion's documentation describes a native integration between the two. That doesn't prove one will never exist, but it does mean the documented route today is a connector, and Zapier lists a good set of templates for this pair.
Pick the direction first
| Direction | Zapier template |
|---|---|
| Notion to Mailchimp | Add or update Mailchimp subscribers with new Notion database items |
| Notion to Mailchimp | Add Mailchimp subscribers to tags with new Notion database items |
| Notion to Mailchimp | Unsubscribe emails from Mailchimp with new Notion database items |
| Mailchimp to Notion | Create Notion database items from new Mailchimp subscribers |
| Mailchimp to Notion | Add new or updated Mailchimp subscribers to Notion databases |
| Mailchimp to Notion | Log new Mailchimp campaigns as Notion database items |
If your team keeps a contact or lead database in Notion, the Notion to Mailchimp templates turn it into a mailing list. If you want a record of subscribers or campaigns inside Notion for planning, the other direction does that.
Setting up a Zap
Zapier's page lists the templates rather than a walkthrough, so here's the general sequence.
- Decide the direction: Notion database items to Mailchimp subscribers, or Mailchimp subscribers and campaigns into a Notion database.
- In Zapier, start from the Mailchimp and Notion template that matches.
- Connect your Mailchimp account and your Notion workspace, and pick the database or audience.
- Map Notion properties such as email and name to Mailchimp subscriber fields, or the reverse.
- Run it with one item first, then turn the Zap on.
Mapping is where most problems start. Make sure the Notion database has a clear email property, and that it holds one address per item, before you connect anything. My guide to Notion databases covers how to set up properties that sync cleanly.
Two sets of limits behind every sync
Notion Developers' documentation sets out the Notion side. Each connection is limited to 600 requests per minute on Business and Enterprise workspaces and 180 per minute on all other plans. Querying a Notion data source has its own limit of about 3 requests per second per connection. A shared per-workspace limit also applies across all connections, so requests can be rate limited even when each connection is within its own limit. Rate limit errors return HTTP 429 with a Retry-After header and a rate_limit_reason such as public_api_request_rate_limit.
In practice, a large Notion database can sync slowly, and a workspace with several integrations running can hit the shared limit sooner than you'd expect.
Building it yourself with the APIs
If you'd rather build a custom sync, both tools have APIs. Mailchimp's Marketing API is REST at api.mailchimp.com/3.0/ and addresses a contact by the MD5 hash of the lowercase email address, so a Notion item's email is enough to find the matching subscriber. A Mailchimp API key carries full access to its account, can't be restricted to certain endpoints and mustn't be used in browsers or mobile apps, so keep it on a server you control.
A manual option for one-off moves
If you only need to move a list once, a live sync may be overkill. Mailchimp's import tool can add or update contacts from a connected app, a CSV file, copy and paste, or direct entry. Export the Notion database as a spreadsheet, tidy it, and import it.
Choosing a connector
Zapier offers at least six Mailchimp and Notion templates in both directions, which covers the common jobs. If you're deciding between automation platforms for a wider set of syncs, my n8n and Zapier comparison sets out the trade-offs.
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My advice for Mailchimp and Notion
Choose one direction and one template, and keep the Notion database tidy, with a single email property. Run one item through before you switch it on, and expect large databases to sync gradually because of Notion's limits. For a single move rather than an ongoing sync, export and use Mailchimp's import tool instead. If you're also reviewing your email platform, see my Klaviyo versus Mailchimp guide.
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Frequently asked questions
Is there a native Mailchimp Notion integration?
Neither vendor's documentation describes one; Zapier templates are the documented route.
Can new Mailchimp subscribers appear in Notion?
Yes, via a template that creates Notion database items from new Mailchimp subscribers.
Can a Notion item add someone to Mailchimp?
Yes, via the add or update subscriber templates.
Can I unsubscribe from Notion?
Zapier lists a template that unsubscribes emails from Mailchimp with new Notion database items.
Are there rate limits?
Yes. Notion limits requests per connection, and Retry-After applies on 429 errors.
