Build my stack
All Substack connections
Discover what apps integrate directly with Substack or sync parameters using webhook pipelines.
No connections documented for Substack yet
We have not yet verified any integrations for Substack. Rather than fill this page with claims we have not tested, we are leaving it short and telling you so plainly.
What each connection type actually means
Native integration
A direct, vendor-built connection between the two products. It is the cheapest to run and the most likely to be maintained when something changes.
API
You call one product's API from the other, usually through a small script or a workflow step. Flexible, and entirely your responsibility to keep working.
Webhook
One product posts to a URL when something changes. Cheap and event-driven, but you still need something on the receiving end to store the payload.
Via Zapier
Zapier holds the connection for you. No maintenance, and you pay per task in both money and in one more service that can fail.
Via n8n
The same idea as Zapier on infrastructure you control. Cheaper at volume, and you fix it yourself when a vendor changes an API.
Integration coverage across the category
Integration coverage matters more than most buyers expect, because it decides how much glue code your team maintains. We have verified integrations for 1 tool in email marketing, and the spread between them is wide.
Kit leads on coverage with 3 verified integrations, including 1 vendor-maintained connection.
Coverage counts here are what we have personally verified, not what the vendors claim. A vendor with forty integrations on their marketing page and two that actually work is worse off than one with four that all work, and that is the distinction this table is trying to make.
| Tool | Verified | Native | Vendor kept |
|---|---|---|---|
| Kit | 3 | 1 | 1 |
| beehiiv | 0 | 0 | 0 |
| MailerLite | 0 | 0 | 0 |
| ActiveCampaign | 0 | 0 | 0 |
| Brevo | 0 | 0 | 0 |
| Substack | 0 | 0 | 0 |
| Mailchimp | 0 | 0 | 0 |
| GetResponse | 0 | 0 | 0 |
| Constant Contact | 0 | 0 | 0 |
Why you would want Substack at all
Integrations are the reason a tool is disqualified, but they are rarely the reason one is chosen. Substack remains the default platform for independent writing and publishing in 2026, and for good reason. It suits writers, journalists, and independent creators who want to start a paid newsletter or podcast with zero upfront cost and access to a built in audience discovery network, and that is the part worth reading before you look at any connection list.
The price has held at $0 a month across every point we have recorded, so nothing in the pricing argues for waiting.
The drawbacks we found in testing were 10 percent revenue share on all subscription revenue. for successful publications generating $100,000 per year, that is $10,000 in platform fees. competitors like beehiiv charge flat monthly fees that are cheaper at scale, limited design and branding flexibility. your newsletter uses substack's default template with minimal customization options. you cannot customize email templates, landing pages, or the publication design beyond basic branding colors and logo, and minimal customer support for free users. substack's support is heavily tilted toward top earning publications. free and small creator accounts often wait days for support responses or rely on community forums. Integrations do not fix those, and it is worth knowing what they are before you wire this into your workflow.
If you need wider coverage
MailerLite edges out Substack in our testing, scoring 4.5 to 4.3 overall.
Higher rated
ActiveCampaign is the pick when you want small to mid size teams that need advanced marketing automation with a built in crm, and it leads on automation.
Automation
Brevo is the pick when you want budget conscious teams that want email, sms, and a basic crm under one roof without paying for separate tools, and it leads on value for money.
Value for Money
Integration questions
How many integrations does Substack have?
We have personally verified 0 integrations for Substack, which puts it at 0 in our coverage table for this category. None of them are vendor-maintained, which means you own the maintenance. We publish the number we have verified rather than the number the vendor markets.
Does Substack have a native integration or do I need Zapier?
Not for anything we have verified. Every connection we have for Substack runs through an automation platform rather than a native link, so there is no vendor-maintained path in our dataset.
Is Zapier or n8n better for connecting Substack?
Neither, on our current data. We have not verified an automation-platform connection for Substack, so we are not going to recommend a tool for a workflow we have not seen run.
What is the most integrated email marketing tool you track?
Kit, with 3 verified integrations in our dataset, 1 of which is maintained by the vendor. Substack has 0, so if deep integrations are a hard requirement rather than a nice to have, Kit is the safer choice on this evidence.
How do you test whether an integration actually works?
We connect the two tools with real data in both directions, trigger a change on one side, and confirm it lands on the other. Then we change something a second time, because an integration that works once is the normal failure mode. Anything we could not get working we list as broken rather than quietly dropping, and anything maintained by a third party we mark community.
Can I request an integration you have not tested?
Yes, and we would rather you asked than bought blind. Tell us which tool connects to which, and if it matters to real buyers we will test it and add the result with the steps we used. The gaps in this dataset are ours, not the vendor's, and we would rather close them than pretend they are not there.
Integration counts on this page are the connections we have personally verified, not the vendor's own marketing count. That is a smaller number, and it is the one that matters. We test a connection twice, because one that works once is the normal failure mode.