Google Developers Blog: Mail merge with the Google Docs API

Mail merge with the Google Docs API

Wednesday, June 5, 2019

Posted by Wesley Chun, Developer Advocate, Google Cloud Students and working professionals use Google Docs every day to help enhance their productivity and collaboration. The ability to easily share a document and simultaneously edit it together are some of our users' favorite product features. However, many small businesses, corporations, and educational institutions often find themselves needing to automatically generate a wide variety of documents, ranging from form letters to customer invoices, legal paperwork, news feeds, data processing error logs, and internally-generated documents for the corporate CMS (content management system). Mail merge is the process of taking a master template document along with a data source and "merging" them together. This process makes multiple copies of the master template file and customizes each copy with corresponding data of distinct records from the source. These copies can then be "mailed," whether by postal service or electronically. Using mail merge to produce these copies at volume without human labor has long been a killer app since word processors and databases were invented, and now, you can do it in the cloud with G Suite APIs! While the Document Service in Google Apps Script has enabled the creation of Google Docs scripts and Docs Add-ons like GFormit (for Google Forms automation), use of Document Service requires developers to operate within the Apps Script ecosystem, possibly a non-starter for more custom development environments. Programmatic access to Google Docs via an HTTP-based REST API wasn't possible until the launch of the Google Docs API earlier this year. This release has now made building custom mail merge applications easier than ever! Today's technical overview video walks developers through the concept and flow of mail merge operations using the Docs, Sheets, Drive, and Gmail APIs. Armed with this knowledge, developers can dig deeper and access a fully-working sample application (Python), or just skip it and go straight to its open source repo. We invite you to check out the Docs API documentation as well as the API overview page for more information including Quickstart samples in a variety of languages. We hope these resources enable you to develop your own custom mail merge solution in no time!

Mail merge with the Google Docs API

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