File.Business REST API.
Form entities, file annual reports, order Good Standing, manage Compliance Subscription, query state records. REST + webhooks. SOC 2 audited.
The quick answer.
A REST API for programmatic access to every File.Business filing, document, and compliance action.
Fintechs, banks, B2B SaaS, accelerators, RA aggregators, startup-services platforms.
Add real US business compliance to your product instead of building it. Ship in two weeks, not two years.
Available on Enterprise tier. Contact us for keys and SLA.
Real outcomes.
Not features — outcomes. Time saved, money saved, deadlines hit, anxiety reduced.
REST + webhooks
Standard REST endpoints + webhook delivery for state events.
51 jurisdictions
Every state, DC, PR, programmatically.
All filings
Formation, EIN, RA, AR, FQ, amendments, dissolutions.
Documents
Generate, fetch, sign, vault.
SOC 2 audited
Audit-trail-compatible, SOC 2 Type II.
SDKs
Node, Python, Ruby, Go.
A clean handoff, in 4 steps.
Get API keys.
Enterprise contract + key issuance.
Read the docs.
REST reference, webhook schema, SDKs.
Sandbox first.
Full sandbox for staging integration.
Ship to prod.
Production keys, real filings, real receipts.
The reasons 220,000+ chose us.
BosAI on every page. SOC 2 audited. All 51 jurisdictions. Real specialists, not bots. Compliance Subscription that pays for itself in the first missed deadline you avoid.
REST standard
No proprietary protocol.
51 jurisdictions
State coverage built in.
All filings
Formation through dissolution.
Webhooks
State events delivered to your endpoint.
SDKs
Node, Python, Ruby, Go.
SOC 2
Audit-trail-compatible, SOC 2 Type II.
Things you'll likely need too.
"Integrated File.Business in 9 days. Webhooks for state events were the killer feature. Our customers now form an entity inside our onboarding."
Common questions.
What can the API do?
Form entities, file annual reports, order Good Standing, manage Compliance Subscription, query state records, generate documents, manage Document Vault, retrieve audit logs.
REST or GraphQL?
REST. Webhook delivery for state events.
SDKs?
Node, Python, Ruby, Go.
Sandbox?
Yes, full sandbox for staging integration.
Rate limits?
Enterprise SLA: 100 req/sec sustained, burst to 500.
Webhook delivery?
At-least-once, signed, retried with exponential backoff.
Authentication?
OAuth 2.0 + scoped API keys.
Pricing?
Per-call or volume tier on Enterprise contract.
SLA?
99.95% uptime committed in Enterprise contract.