API Archives - Mass Email & Mail Merge for Gmail

When you're ready for complex GMass integrations, you're ready for the GMass API.

You want to incorporate GMass into your web app.
You want to use GMass with your internal tools, like your CRM.
You want to set up automations where GMass works with other apps and software you're using.
And any integration beyond those as well.

Here in the API archives, you can see the articles we've written on how you can take advantage of the GMass API: About the API itself, about webhooks, and about the GMass-Zapier integration.

And check out our features page on the GMass API for even more about what you can do when you connect GMass to your other apps and tools.