Notarize for Developers

The first API for online document notarization. Integrate Notarize with your apps and services to automate the notarization process for your business.

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What you get

Document Control

Upload pre-filled documents that are ready for notarization, or allow signers to fill their own documents using our built-in annotation tools.

Automated Workflow

We notify signers when your documents are ready for notarization, and provide visibility throughout the document lifecycle.

Round-the-Clock Availability

Our notaries are available 24/7, so you can  get documents notarized when it works  best for your business and your signers.

Quick Implementation

Get a developer key and start sending documents for notarization in minutes. Our simple model is easy to integrate with your own services.

"It took less than a day to integrate Notarize into our existing lien waiver + payment workflow, opening up our platform to a huge new customer base. I can’t say enough about the product and team.”

Geoff Arnold
CEO, LienWaivers.io

"As a developer-turned-CEO, I love Notarize's API. It's everything you want an API to be - clean, elegant, and powerful. They knocked it out of the park, and bring a developer's mindset to an old school world."

Doug Breaker
CEO, Earth Class Mail

For Companies

If you manage a large volume of notarizations, automate the process and streamline your operations.

For Platforms

If you support businesses that require notarization, expand your offering to better serve their needs.

For Apps

If your product requires notarization, deliver it in your core experience with our API and SDK (coming soon).

Try the Notarize API now.

Create a Business account, get your developer key, and start building.