A flexible contract API built with developers, customers and legal teams in mind.

Easy to Implement

Track acceptances in Angular, React, JavaScript, Node, Java, C#, & more with our flexible REST API. Fast setup with helpful SDK's.

Customer Friendly

Meet customers where they are and accelerate contract acceptance with the agility of embedded, API based contracts.

Agility & Control

Easy access to records and version control for your legal team saves countless hours for developers.


PS.js: Signatures tracked as events in JavaScript.

Our JavaScript library (and Angular and React digital signature SDKs) give you a flexible, extensible set of events you can use to implement embedded signing into your app or website, complete with tools for tracking signatures or acceptance on click-through contracts.

Get started with PS.js

Ready to learn more about our esignature API? 

See if our clickwrap API is right for you by exploring our Developer Hub.

Developer Hub


Browse more esignature & embedded signing API resources from PactSafe

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What your esignature API should be providing

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The Connected Contract: Why you need to think about contracts as data

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Accepting Contracts via SMS: Accelerated Esignature

Take Me to More Resources

PactSafe automates and optimizes your signing workflows.

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We had PactSafe up and running via the API in a single day. The platform is now invaluable to us and has saved us an incredible amount of time, effort, and potential legal battles.

Duane Hunt, VP of Operations at Formstack

Duane Hunt

VP of Operations, Formstack

Loved by legal, sales, and product teams alike.