Incorporation API

Add US Incorporation to your product suite.

product suite. Boost revenue and create long-term relationship with growing startups and exceptional founders.

Partnered with the world’s most innovative companies

Build with founders from day one.

Drive revenue by meeting founders at inception and position your products as the go-to choice for both US and international companies.

Serve customers worldwide.

Increase user acquisition by supporting international customers' US operations. Extend US capital markets and financial infrastructure to your users around the globe.

Streamline compliance.

Ensure KYC/KYB compliance. The Firstbase Incorporation API provides verified company data points to swiftly onboard users.


‍In-platform business formation with full customization to support co-investment, SPV creation, back-office systems, patent & IP management, transactions & asset management, tax optimization, contract worker enablement, and more.

Why partner with Firstbase?

Kicker is trusted by over 15,000 companies from 187 countries.

Verify Business Name
Verify the proposed business name is available in the requested state.
Collect & Transfer Data
Incorporation data is collected and securely transferred. Partners receive a unique ID to track submissions, status, etc.
We’ll respond with a redirect link to complete payment and finalize the incorporation of their company.
Incorporation Complete
We’ll manage the entire company formation process and make all data available to partners.

Saul Goodman

Ceo & Founder

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Sara Wilsson


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Jena Karlis

Store Owner

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Matt Brandon


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John Larson


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Frequently Asked Questions

Yes. Founders can access the Kicker founder dashboard with over $200,000 in partner rewards and take advantage of a growing suite of Firstbase products like Mailroom, a virtual US mailing address, Agent, our automated compliance and registered agent solution, and more.

No. Kicker extends vertical exclusivity to all API partner platforms meaning all customers from your platform will not be presented with any industry-specific competitors within our Loop offerings inside their Founder's Dashboard.

Using this API is completely free. We also offer volume-based incentives such as rev-share or discounts to your customers.

Kicker Incorporation API partners are required to offer a co-branded experience to ensure a seamless user journey. This can be as subtle as including one of our provided "Powered by Firstbase" icons within your incorporation flow.

The Kicker Incorporation API is an out-of-the-box solution and follows standard JSON principles still, Firstbase offers comprehensive developer support along each step.