How to Build an Email Agent That Automates E-Signature Follow-Ups

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A developer tutorial on DEV Community outlines how to build an automated email agent that chases unsigned contracts until a signed copy is received. The agent, built using Nylas API's Agent Account feature, sends the initial document, tracks the email thread, and sends escalating follow-up reminders on a defined schedule. Each follow-up is a reply within the same thread rather than a new email, making the experience feel like a personal follow-up rather than automated spam. The sequence automatically stops once the signed document is detected, removing the need for manual intervention. The author argues that consistent, polite follow-up — not contract terms — is what ultimately gets documents signed, making this a practical automation for sales and legal workflows.

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