Help Scout's Mailbox API, Custom Apps, and Open Source Tools

Help Scout offers many integrations right out of the box, but there are lots of other apps out there in the world that you might want to connect — maybe even some your team has built for yourselves.

The Mailbox API, custom apps, and open source tools are available for you to link your Help Scout account to any number of other apps or access your data for any number of other reasons. Leveraging these tools will require some developer skill in most instances, but if you can dream it, point your developers over to the documentation to see if they can build it!

The full Help Scout Developer documentation is at https://developer.helpscout.com/

In this article

API Access

Each Help Scout plan has different levels of API access.

Plan Rate Limit Endpoint Access
Standard Up to 200 calls per minute No access to reporting endpoints
Plus Up to 400 calls per minute All endpoints available
Company Up to 800 calls per minute All endpoints available

Add-ons

If your team needs the API access that's included with a higher plan, but you don't need the additional features that plan offers, there are add-ons available for both the Standard and Plus plans.

Any user with the Manage Account: Billing and plan changes permission (see User Roles and Permissions for more on that) can head to Your Plan > Add-ons to activate the add-on available for your plan.

Standard plans have the option to select the Advanced API Access add-on, which includes up to 400 calls per minute and access to all endpoints, for an additional $50 per month.

Plus plans can add the API Rate Limit Increase add-on to bump up to 800 calls per minute for an additional $100 per month.

The developer documentation is your definitive source for complete information. https://developer.helpscout.com/mailbox-api/ will take you directly to the Mailbox API portion.

Below you'll find direct links to some of the most often asked about bits:

Our developer documentation also includes information on:

If you have any questions about the API, just let us know what you're wondering about!

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