# API Stack - Document Merging with Drawloop API

**Author:** kinlane  
**Canonical:** https://apievangelist.com/2011/09/12/api-stackdocument-merging-with-drawloop-api/

kinlane-productions2.s3.amazonaws.com [![](https://kinlane-images.s3.amazonaws.com/shared/mimeo/drawloop/Drawloop-Logo.jpg)](/admin/Blog/)[DrawLoop](/admin/Blog/) provides a SOAP and REST API for merging data together into a single documents, using a User ID and Password combination for authentication.

Using the [DrawLoop LOOP API](/admin/Blog/), developers can merge data from multiple links and other documents into a single PDF or other format, before sending, storing or printing.

Pricing for API access is available upon request, but they offer a FREE trial for new developers.

The [Drawloop LOOP API](/admin/Blog/) for document merging is a perfect tool for the API stack.