Virtual address
A real U.S. street address your customers can use for their business, created and managed entirely in your product.
- 35+ premium address locations
- Use with the IRS, the state, and more
- Managed USPS 1583 authorization
Stable for platforms
Integrate Stable into your platform
Drive revenue by offering virtual address, mailroom, registered agent, and state compliance services directly from your own platform.
15,000+ businesses run on Stable
Platform services & capabilities
Add new lines of revenue for your business
Integrate any of Stable’s services into your own branded product. Add multiple services to scale your product and increase revenue streams.
Mailroom
Bring physical mail, digitized at scale, right into your platform and deliver your own branded experience for your customers.
- OCR text and AI summaries
- AI priorities, tasks, and due dates
- SOC2 certified & HIPAA compliant
Registered agent
Offer a nationwide network of registered agent coverage for your customers to keep their businesses compliant as they scale.
- 50-state coverage, plus D.C. and Puerto Rico
- Change of agent
State compliance
Help keep your customers in good standing with entity compliance monitoring and support for 15+ state filing types.
- Monitoring for all 50 states
- Annual reports
- Foreign qualifications
End-to-end reliability
Agent-ready APIs + infrastructure
Launch new product lines with an API designed for developers and an MCP to implement at speed. Stable takes care of the physical processing, interactions with state agencies, and the enterprise-grade security controls that protect your customers’ data.
Instant API access
Create a developer sandbox and start building in minutes with our API and webhooks. Use Stable’s MCP and integration recipes to implement your solution faster.
Support at every step
Work with a dedicated support team to plan your platform integration, onboard customers, and operate at scale. Use Stable’s developer documentation for step-by-step guidance as you build.
Trusted physical infrastructure
Stable manages its own address network and operates its own secure mail facilities. With millions of documents processed to date, you can trust Stable to scale with you as you grow.
Secure and compliant
Stable is SOC 2 Type II certified and provides BAAs for HIPAA compliance. Mail data is encrypted in transit and at rest. Access is permission-based and every action is logged for auditing.
Customized solutions
See how platforms scale with Stable
With Stable’s suite of tools and features, platforms can build custom, white-label solutions tailored to their industry and customer needs.
Tax, HR & payroll,
and registration platforms
Give every customer a business address and a virtual mailroom inside your product, so state mail and tax notices land where they already work.
Banking, finance,
and healthcare platforms
Sell a lockbox product on top of Stable addresses. Stable scans the mail and sends the check images and details, and you or your bank handle the deposit.
Formation, entity management,
and compliance platforms
Offer registered agent coverage and keep your customers’ entities in good standing with annual reports, foreign qualifications and change of agent.
“Stable feels like a feature in our product, which is incredible.”
~100%
of customers opt in
4,000
Stable addresses in their product
Hudson BovaVP of Finance, Numeral
Looking for a custom solution that fits your needs?
Frequently asked questions
Don't see your question answered? Email us instead.
Do my customers see Stable in my product?
We offer all the APIs you need to build your own fully-branded experience for each of our features. Your customers will not see Stable’s branding or be contacted by Stable directly.
Do you offer a white-labeled dashboard?
We don’t provide a hosted dashboard with your logo, but our APIs make it easy to build a branded experience in your application.
Can I bundle Stable’s features in my product?
Yes. Virtual address, mailroom, registered agent, and state compliance all share the same unified API, so you can offer as many services as you’d like.
What do I need to get started?
See our Quickstart guide to create your API key and make your first API call. You can also use our official MCP to quickly build and test your integration.
Is there a test environment?
Stable offers a sandbox where you can develop and test your integration. The sandbox supports all of Stable's features, including sample mail, functional webhooks, and filings.
What do my customers have to do?
To add virtual address and physical mail to your product, you'll need to collect USPS Form 1583 information from your customers. You can embed Stable's form in your product, or you can send a link to your users to fill out the form. They can use the address right away while their identity is being verified.
To offer state filings to your customers, you will need to collect basic entity information for each entity they plan to manage in your platform.
How does pricing work?
Stable offers special pricing to its Platform partners, and rates may vary. Schedule a call with someone from our team to discuss how we can provide pricing that fits your needs.
Who supports my customers?
You support your own customers, and we back up your team. We don’t contact your customers directly.
How fast is mail processed?
We complete each processing step within 1 business day once mail reaches our processing center.
Is my customers’ data secure?
We have a SOC 2 Type II report covering security, we sign BAAs for HIPAA, and each customer’s data stays separate.
What happens to the address if a customer leaves my platform?
If a customer leaves your platform, you can simply deactivate the associated address so that you are no longer billed for it.
Ready to build now?
Get set up with an API key to start building right away, request sandbox access, or view API documentation.
Let’s build something together
Contact us to see how you can bring Stable’s services into your own platform. Our team will work with you on a custom solution that best fits your needs.