Partner with FuseSign

Build Seamless Digital Signing Experiences

FuseSign is a fast-growing e-signing platform trusted by over 2000 professional services firms.

We work closely with software companies, platforms, and developers to create deep integrations that enhance workflow automation for mutual clients.
If you’re looking to add secure digital signing functionality—or embed FuseSign natively—we’d love to connect.

API Documentation API Documentation

Why Integrate with FuseSign?

• Simple, Powerful API
  Our developer-friendly API makes it easy to embed FuseSign functionality or push/pull data into your system.
• Built for Professional Services
  FuseSign is purpose-built for accountants, financial advisors, legal teams, and other compliance-heavy industries—making it a valuable addition to your app stack.
• Strong Market Fit
  With over 2000 professional services firms using us globally, your integration reaches a receptive, tech-forward audience.
• Collaborative Go-To-Market
  We support our integration partners with joint marketing campaigns, product training, and co-branded case studies.

How We Work with Partners

• Intro Call & Use Case Review
  Let’s understand your platform and your clients’ needs.
  
• Tech Alignment
  We’ll provide API documentation and sample use cases to validate technical feasibility.
  
• Integration Build
  You develop the integration with guidance from our technical team as needed.
  
• Joint Launch
  Once tested, we’ll support you in announcing and promoting the integration to our mutual audiences.