Integrate legally binding, SOC 2-compliant eSignatures into your app in less than a day. No monthly minimums, no seat limits, full security.
use SignWell for easy electronic signatures
The SignWell digital signature API is built around a clean, REST-based architecture. Here is how the four core workflow stages work and what they give your team.
Use Text Tags to automatically place signature fields, dates, and initials exactly where they belong in any document. Or call a reusable Template via API to standardize compliance workflows across thousands of users without touching each file individually. The result is faster document prep and dramatically fewer manual errors.
Use the Embedded Signing API to display documents in a secure iFrame or modal, keeping users inside your application throughout the entire signing process. Pair this with full white-label customization — your logo, your colors, your domain — so customers never feel like they have left your platform.
Configure webhooks to receive real-time event data as soon as a document is viewed, signed, or declined. Use these events to trigger your internal onboarding logic instantly, without polling or manual status checks.
Retrieve a tamper-proof PDF and a comprehensive audit trail logging IP address, timestamp, and email for every document. Completed documents can be retrieved via API as a Base64-encoded file or accessed through a secure file URL for integration into your systems.
10,000,000+ documents signed
99.99% uptime reliability
4.9/5 on Capterra and 4.8/5 on G2
"I am so impressed with the SignWell API. In less than a day, I moved from never using SignWell to a fully functional automation powered by the API. I was able to get precisely the workflow that we needed."
Unlike legacy providers that lock you into expensive monthly contracts, SignWell scales with your actual usage. You only pay for the documents you send.
Your first 25 documents every month are free. After that, pay a flat rate of $0.75 per document. No seat limits, no monthly minimums, and no hidden overage fees. If you do not send anything this month, you pay $0.
For businesses sending high volumes of documents each month, SignWell offers custom enterprise plans built around your usage. Prepay for your API usage to save up to 40%.
Solutions
Whether you're signing contracts or embedding signatures into a website or app, the SignWell API can be customized to work for any industry:
You create it; we help you add eSignatures — the SignWell API makes it easy to build your ideal integration, no matter your skill level.
Effortlessly sign up new customers for your program, membership, or services — finalize onboarding so you can enjoy your growing community.
Never miss a critical signature — easily automate document signing for your sales process or funnel to keep users flowing through your business experience.
The SignWell API prioritizes security and is HIPAA compliant — safely and securely fill out sensitive health or insurance documents directly on your website or app.
From client intake forms to contracts, streamline your standard form documents with legally-binding automated signature requests so that you can stay concentrated on your business.
Integrate signing with your existing real estate software or platform. Automate contracts to make signing user-friendly and straightforward, keeping things moving quickly.
The SignWell API lets you embed legally binding eSignatures into your product or service. It supports automated signature requests, embedded signing, and full workflow control using secure REST-based endpoints.
Yes. The SignWell API is compliant with ESIGN, UETA, GDPR, and HIPAA. Documents signed through the API are legally binding and include a tamper-proof audit trail.
Yes. SignWell supports fully embedded signing experiences, allowing users to complete documents directly on your site or in your application—no redirects needed.
The API starts at $0.75 per document on a pay-as-you-go basis. The first 25 documents per month are free with a credit card on file. For high-volume needs, custom pricing is available.
Yes. Developers can start with a free account and use up to 25 API requests per month (a credit card on file is required to prevent abuse). Our developer-friendly documentation makes it easy to get started quickly.
The SignWell API is REST-based and works with any language that supports HTTP requests, including JavaScript, Python, Ruby, PHP, Go, and more. Our API documentation can be found here.
Yes. You can fully customize the signing experience to match your brand, including white-labeling the interface and automating templates and workflows.
Yes. We offer dedicated support and custom pricing for high-volume or enterprise needs. Contact our team to learn more.
Absolutely. You can automate sending, signing, and tracking documents using our flexible API and reusable templates. Want to try it out? Here are some examples.
Many customers switch to SignWell for its simplicity, lower cost, and developer-friendly API. It's a strong alternative for teams that want compliance and speed without the enterprise bloat. Learn more about how we compare to DocuSign or Adobe Sign.
We’re available by email, phone, or over a Zoom call to support you whenever you need it.
