n-Intercom's App Store Covers a Lot. It Doesn't Cover Everything You're Running.
Intercom's App Store lists native integrations for Slack, Mailchimp, and dozens of other tools, most set up in a few clicks with no code involved. Where that stops is anything specific to your business logic, and a handful of pairings, Zendesk being the clearest example, where there's no deep native integration at all because the two tools compete directly rather than complement each other.
What the App Store actually covers
The Slack app posts new conversations and replies into a Slack channel and lets a team respond or get notified without leaving Slack, which is the most commonly installed app for internal visibility. The Mailchimp app syncs contact data so audiences built in Intercom can be used for email campaigns in Mailchimp without a manual export. The broader App Store covers dozens of smaller integrations, mostly aimed at getting contact and event data flowing between Intercom and whatever marketing or analytics stack a team already runs.
Intercom and Zendesk, on the other hand, don't have a deep native integration, and that's not an oversight. They compete directly for a lot of the same support and messaging use cases. What shows up in that search is usually one of two real situations: a business running both for different purposes (Intercom for chat and sales messaging, Zendesk for ticketing) that needs a custom connection between them, or a business actually migrating from one to the other and needing to move data across, not integrate the two long-term.
Where custom integration work picks up
For anything beyond the App Store's native list, or anything involving Zendesk specifically, the path is a direct connection against Intercom's REST API on one side and the other system's API on the other. That's also true once a native app's basic sync (contacts, in most cases) needs to carry business logic the app was never built for, like only syncing a contact to Mailchimp once they've met a specific engagement threshold, rather than syncing everyone by default.
What that custom work looks like
Running Intercom and Zendesk together, properly
If your business genuinely runs both, chat and sales messaging in Intercom, ticketing in Zendesk, we build the direct connection that keeps account and conversation context consistent across both, since no native app does it for you.
Beyond a basic contact sync
A Mailchimp or similar sync that needs real conditions, only certain contacts, only after certain activity, gets built as custom logic against both APIs rather than relying on the App Store's default sync-everyone behavior.
What's not covered by anything in Intercom's App Store right now?
Tell us what tool you're trying to connect to Intercom, and we'll tell you honestly whether there's already a native app for it or whether it needs custom work.
Running Intercom alongside tools the App Store doesn't connect well?
Tell us which system isn't talking to Intercom the way you need it to, whether there's a thin native app for it or none at all. We'll scope what custom work would actually take to fix it. And if the real manual bottleneck in your business is somewhere else entirely, we take that on too.
Let's talk