Print-to-Mail REST API for SaaS Platforms and Business Applications
Automate US mail delivery directly from your software with DocuSend's cloud-based Print-to-Mail API. Upload PDFs, trigger mailings, track status, and eliminate manual printing, folding, stuffing, and postage.
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DocuSend Integration Benefits
The DocuSend API empowers developers and businesses to automate document delivery through a secure, scalable print-and-mail solution. Send invoices, statements, notices, and other critical communications with less effort, lower costs, and greater reliability.
- ✓ No Contracts
- ✓ No Start-Up Fees
- ✓ Free Integration
- ✓ Unlimited Templates
- ✓ Unlimited Uploads
- ✓ Unlimited Mailings
- ✓ Unlimited Users
- ✓ No Monthly Fee
- ✓ Monthly Activity Reports
- ✓ US Mail Automation
What is the DocuSend API?
A Cloud-Based Mailroom API Built for Developers
The DocuSend Print-to-Mail REST API allows software developers, SaaS providers, enterprise platforms, and internal business applications to automate document delivery through USPS mail and secure email.
Instead of requiring users to print, fold, stuff envelopes, apply postage, and manually send documents, your software can submit PDF files directly to DocuSend through our REST API.
Typical documents include:
- ✓ Invoices
- ✓ Statements
- ✓ Collection notices
- ✓ Renewal letters
- ✓ Welcome packets
- ✓ Compliance documents
- ✓ Legal notices
- ✓ Policy updates
- ✓ Customer communications
Why Companies Integrate DocuSend
Save Time
Eliminate printing, folding, stuffing, and postage handling.
Reduce Costs
Save 50% on average by eliminating manual processes, labor, and materials.
Scale Effortlessly
Process one document or thousands using the same API.
API Features- Built for Enterprise Applications
Mail Automation
Send physical mail directly from your platform.
Direct API Integration
Allow customers to upload and submit mail jobs directly to DocuSend through your software integration.
REST Architecture
Simple REST endpoints for fast and easy integration.
Tracking
Monitor mailing status and processing updates in real time.
Unlimited Mailings
No volume restrictions.
Unlimited Templates
Create and manage an unlimited number of document templates.
Parent-Child Account Structure
Ideal for software vendors, franchises, and reseller programs.
Custom Configurations
Tailored workflows and enterprise-level configurations available.
Direct Integration (White Label)
Offer mailing services under your own platform and branding.
DocuLink
Automated email solution.
Integration Options:
Choose the Integration Model That Fits Your Business
API Reseller:
Offer mailing services to your clients.
Internal Connectivity:
Automate your own organization's document delivery.
Parent-Child Structure:
Manage multiple clients from a single environment.
Enterprise Customization:
Custom workflows and configurations.
Automatically close shopping carts each night
(available upon written email request from the user).
Flexible Document Delivery for Modern Software Platforms
The DocuSend Print-to-Mail API and DocuLink Secure Document Delivery API enable software providers to automate both physical mail and electronic document delivery from a single integration.
Developers can connect directly to DocuSend's cloud-based mailroom through a REST API, allowing users to send invoices, statements, notices, compliance documents, and customer communications without printing, folding, stuffing envelopes, or managing postage.
For organizations that prefer digital delivery, DocuLink provides secure email document distribution through encrypted links rather than traditional attachments. Senders can track recipient engagement, identify unopened documents, and automatically trigger USPS mail delivery when digital communications remain unread.
Give Customers More Delivery Options
While digital communication continues to grow, millions of consumers and businesses still prefer receiving important documents by mail. Sensitive communications such as invoices, statements, legal notices, and compliance documents often require a delivery method that recipients trust and are comfortable using.
By offering both secure digital delivery and physical mail, software providers can support customer preferences, improve document delivery rates, and reduce the risk of missed communications.
Built for SaaS Platforms and Business Applications
The DocuSend API is commonly integrated into:
- ✓ Accounting and billing software
- ✓ Property management platforms
- ✓ Healthcare applications
- ✓ Insurance systems
- ✓ Financial services platforms
- ✓ And any other software platform where users need to securely send documents
Whether you're sending a single document or thousands of transactional communications, the API scales with your business while maintaining a simple integration experience.
Fast Implementation with Full Support
Every API integration is different, which is why DocuSend provides hands-on implementation assistance at no additional cost. Once you open an API sandbox account, a field application engineer will work directly with your team to streamline the integration process and answer technical questions.
- ✓ Create customer accounts
- ✓ Upload PDF documents
- ✓ Submit, print and mail jobs
- ✓ Track processing status
- ✓ Manage delivery workflows
Most integrations require only a few API calls to:
Reduce Costs and Eliminate Manual Mailing
Traditional mailing processes require staff to print documents, fold pages, insert into envelopes, apply postage, and manage mail runs. These tasks consume valuable time and resources.
With DocuSend, users can automate the entire process directly from their software, reducing administrative workload and lowering mailing costs. Many customers report significant savings compared to handling document distribution internally.
Secure Delivery for Sensitive Documents
Organizations increasingly need alternatives to email attachments for delivering sensitive information.
DocuSend provides a secure print-to-mail option, while DocuLink enables secure document sharing through tracked links. Together, they help businesses:
- ✓ Reduce reliance on email attachments
- ✓ Improve delivery visibility
- ✓ Increase document engagement
- ✓ Support customer communication preferences
- ✓ Deliver critical documents through trusted channels
Deliver Any Business Document
The DocuSend API can automate the delivery of virtually any business communication, including:
- ✓ Invoices and billing statements
- ✓ Delinquency notices
- ✓ Dunning letters
- ✓ HIPAA documents
- ✓ Welcome letters
- ✓ Renewal notices
- ✓ Retention campaigns
- ✓ Legal notifications
- ✓ Product recalls
- ✓ Policy updates
- ✓ Compliance communications
- ✓ Customer correspondence
If your application can generate a PDF, it can be delivered through DocuSend with a simple API request.
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Frequently Asked Questions
DocuSend is an independent cloud-based print-and-mail service provider. USPS is a service of the United States Postal Service.