Business Formation Document Generator API
Generate state-specific LLC and corporation formation documents instantly via API. Built for legal tech platforms, business registration services, and compliance automation tools.
What the API generates
Articles of Organization
Required filing document to form an LLC in any state
Articles of Incorporation
Required filing document to form a corporation
Operating Agreement
Internal governance document for LLCs
Formation Bundle
Complete package: Articles + Operating Agreement + Filing Instructions
Quick Start — Generate an LLC
Request
curl --request POST \
--url 'https://business-formation-document-generator.p.rapidapi.com/generate/llc' \
--header 'x-rapidapi-host: business-formation-document-generator.p.rapidapi.com' \
--header 'x-rapidapi-key: YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
"state": "DE",
"entity_name": "Acme Ventures LLC",
"registered_agent": "Delaware Registered Agent Inc",
"registered_address": "123 Main St, Wilmington, DE 19801",
"organizer_name": "John Smith",
"organizer_address": "456 Oak Ave, New York, NY 10001"
}'Response
{
"document": "JVBERi0xLjQKJdPr6eEK...",
"document_type": "articles_of_organization",
"state": "DE",
"entity_name": "Acme Ventures LLC",
"filing_instructions": {
"agency": "Delaware Division of Corporations",
"fee": 90,
"url": "https://icis.corp.delaware.gov/Ecorp/EntitySearch/NameSearch.aspx"
},
"generated_at": "2026-03-23T15:00:00Z"
}Response Schema
| Field | Type | Description |
|---|---|---|
| document | string | Base64-encoded PDF document, ready to decode and save |
| document_type | string | Type of document generated (e.g., articles_of_organization) |
| state | string | Two-letter state code for which the document was generated |
| entity_name | string | Business name used in the generated document |
| filing_instructions | object | State-specific filing instructions including agency name, fee, and URL |
| filing_instructions.agency | string | Name of the state agency to file with |
| filing_instructions.fee | number | State filing fee in USD |
| filing_instructions.url | string | URL to the state's online filing portal |
| generated_at | string | ISO 8601 timestamp of document generation |
Common Use Cases
Simple, transparent pricing
Start for free. Scale as you grow. All plans include access to official data sources and real-time verification.
Pro
500 requests/month
- 500 documents/month
- All supported states
- Then $0.10/each
- Priority support
Ultra
2,000 requests/month
- 2,000 documents/month
- All supported states
- Then $0.05/each
- Priority support
Mega
10,000 requests/month
- 10,000 documents/month
- All supported states
- Then $0.03/each
- Dedicated support
API Reference
| Method | Path | Description |
|---|---|---|
| POST | /generate/llc | Generate Articles of Organization for an LLC |
| POST | /generate/corporation | Generate Articles of Incorporation for a corporation |
| POST | /generate/operating-agreement | Generate an LLC Operating Agreement |
| POST | /generate/bundle | Generate complete formation bundle (Articles + Operating Agreement) |
| GET | /states | List supported states with filing fees and agency info |
| GET | /status | API health status |
Frequently asked questions
What format is the document returned in?
Documents are returned as base64-encoded PDFs in the document field. Decode the string and save as a .pdf file in your application.
Are the documents legally valid?
The documents are generated to match each state's required format and fields. You are responsible for reviewing and filing with the appropriate state agency. We recommend having an attorney review before submission for high-stakes filings.
Which states are supported?
The API supports all 50 states for basic Articles of Organization and Articles of Incorporation. Operating Agreements and bundles are available for all states as well.
Do you offer enterprise contracts?
Yes. Contact us for custom volume, SLA guarantees, white-label access, and custom document templates.
Need custom volume or SLA guarantees?
Contact us for enterprise pricing, white-label access, dedicated support, and custom contracts tailored to your platform.
Contact Enterprise Sales