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Gmail API

When you build a tool like GMass that brings an entire email marketing platform inside of Gmail, you get to know the Gmail API pretty well.

In fact, we're essentially roommates with Gmail, and not roommates who keep their distance from each other — we're like roommates who share a studio apartment.

So here in the Gmail API archives page you can find everything we've written about the Gmail API — including difficult problems we solved that you may be able to apply in your developing adventures with Gmail.

We're happy to spread the wealth and share our hard-earned Gmail API expertise with you. And hey, come by and visit our studio apartment anytime.

February 9, 2023

Gmail API vs IMAP Cold Email Platforms: Which Is Better for You?

Most cold email platforms send your messages via IMAP or an API. Here's a breakdown of Gmail API vs IMAP and the pros and cons of both.

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January 19, 2023

GMass’s Email Warmup System Is Shutting Down

GMass's email warmup system is shutting down. Here are the reasons why and ways to achieve high deliverability in a post-warmup world.

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Gmail direct vs Gmail API

November 13, 2020

Does sending from Gmail directly vs using the Gmail API affect deliverability?

Recently, two email industry colleagues independently reported something odd to me. Each composed an email in Gmail, sent it, and …

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December 11, 2019

Developer’s Guide to the Gmail API and From Addresses/Names

Using the Gmail API to retrieve From Address/Name information for Drafts and Messages comes along with some idiosyncrasies. Here's how to deal with them.

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October 17, 2019

The Gmail API’s quirky handling of HTML and Plain Text messages parts

The Gmail API is tricky with plain text messages. It forces a plain text MIME part when you don't want one, and overwrites your plain text with its own.

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January 22, 2017

How to set the Reply-To address in an email campaign

When sending a mail merge campaign in Gmail, you can set a Reply-To address individually on each campaign, by setting …

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January 5, 2017

How to call the Gmail API in .NET without using the client library

Have you ever wondered how to call Gmail API without using the client library? Click here to learn more about API's and the backend operations for GMass!

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