# iDenfy, contact us, Enterprise partnership, POST /api/v2/sos-filing-documents/: Business verification API > Access in-depth business information in the U.S., improve Know Your Business (KYB) verification, and get a full picture of any company by pulling data from the Secretary of State (SOS) filings to check if it’s operating legally. iDenfy's business verification API on its Enterprise partnership plan. It returns 4 of the 11 key fields we check: Registered name, Entity type, Status, Formation date. We haven't run iDenfy through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet. iDenfy gives this plan's price on request. We rank 753 plans for business verification APIs by price. Half the plans cost $7.895 per 1,000 companies or less. [EuroValidate's €149 monthly plan](https://datacircle.dev/business-verification-apis/eurovalidate/149-monthly-scale-post-v1-validate/llms.txt) is the cheapest paid plan per 1,000 companies: $0.017. EuroValidate's plan covers companies in 31 countries only. [Scoris's €19 pack](https://datacircle.dev/business-verification-apis/scoris/19-pack/llms.txt) covers any number of companies in 8 countries only. Scoris's €19 pack costs less up front than EuroValidate's €149 monthly plan. [GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/llms.txt) and [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) are the best business verification API providers in the Datacircle benchmark for companies in any country. - This page: https://datacircle.dev/business-verification-apis/idenfy/contact-us-enterprise-partnership-post-api-v2-sos-filing-documents - [Business verification API: 9 providers compared](https://datacircle.dev/best-business-verification-api.txt) - Get it: https://idenfy.com/pricing-plans?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing - Request: `POST https://ivs.idenfy.com/api/v2/sos-filing-documents/` - API key: with the plan, on https://idenfy.com/pricing-plans?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing - Its API docs: https://documentation.idenfy.com/kyb/sos-reports?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing#ordering-sos-document - Sold by: iDenfy (https://idenfy.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing) - Checked: 2026-11-04 ## In the answer - Completeness: 36% - Registered name: ✓ - Entity type: ✓ - Status: ✓ - Formation date: ✓ ## Price - Billing: contact ## Aggregators - Aggregators: none ## In their words - Their pitch: Access in-depth business information in the U.S., improve Know Your Business (KYB) verification, and get a full picture of any company by pulling data from the Secretary of State (SOS) filings to check if it’s operating legally. ## Data - Countries: United States - Keep data: no API terms - Use data: no API terms ## Rate limit - Batch: 1 ## Speed - Answer: by polling or webhook ## The call - You send: companyName, state, city, street, postalCode - Method: POST - Path: /api/v2/sos-filing-documents/ ## About the plan - Plan: Enterprise partnership - Who can get it: anyone who books a demo with its sales team ## The 9 fields the plan's answer can hold report ID, checked at, status, data file URL, report file URL, entity name, formation date, entity type, watchlist hits count ## iDenfy's plans (1) - [iDenfy, contact us, Enterprise partnership, POST /api/v2/sos-filing-documents/](https://datacircle.dev/business-verification-apis/idenfy/contact-us-enterprise-partnership-post-api-v2-sos-filing-documents/llms.txt): 36% complete ## iDenfy's calls for this API (4) - `POST /api/v2/gov-registers-documents/report/`: [iDenfy, contact us, Enterprise partnership, POST /api/v2/gov-registers-documents/report/](https://datacircle.dev/business-verification-apis/idenfy/contact-us-enterprise-partnership-post-api-v2-gov-registers-documents-report/llms.txt) - `POST /api/v2/gov-registers-documents/lite-report/`: [iDenfy, contact us, Enterprise partnership, POST /api/v2/gov-registers-documents/lite-report/](https://datacircle.dev/business-verification-apis/idenfy/contact-us-enterprise-partnership-post-api-v2-gov-registers-documents-lite-report/llms.txt) - `GET /api/v2/gov-registers-documents/search/`: [iDenfy, contact us, Enterprise partnership, GET /api/v2/gov-registers-documents/search/](https://datacircle.dev/business-verification-apis/idenfy/contact-us-enterprise-partnership-get-api-v2-gov-registers-documents-search/llms.txt) - `POST /api/v2/sos-filing-documents/`: [iDenfy, contact us, Enterprise partnership, POST /api/v2/sos-filing-documents/](https://datacircle.dev/business-verification-apis/idenfy/contact-us-enterprise-partnership-post-api-v2-sos-filing-documents/llms.txt) ## iDenfy's APIs (2) - [iDenfy: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/idenfy/contact-us/llms.txt) - [iDenfy: business verification API pricing, 1 plan, POST /api/v2/sos-filing-documents/](https://datacircle.dev/business-verification-apis/idenfy/contact-us-enterprise-partnership-post-api-v2-sos-filing-documents/llms.txt) ## iDenfy: business verification API alternatives - [SavvyIQ, contact us, Enterprise, POST /v3/entity-resolution/async](https://datacircle.dev/business-verification-apis/savvyiq/contact-us-enterprise-post-v3-entity-resolution-async/llms.txt): 36% complete - [Infocredit Group, contact us, API4ALL access, GET /a4a/3.0/api/search/{country_code}/name/{name}](https://datacircle.dev/business-verification-apis/infocredit-group/contact-us-api4all-access-get-a4a-3-0-api-search-country-code-name-name/llms.txt): 36% complete - [Kausate, contact us, Enterprise, POST /v2/companies/search](https://datacircle.dev/business-verification-apis/kausate/contact-us-enterprise-post-v2-companies-search/llms.txt): 36% complete, live - [KVKBase, contact us, Enterprise, GET /v1/search](https://datacircle.dev/business-verification-apis/kvkbase/contact-us-enterprise-get-v1-search/llms.txt): 36% complete ## Sources From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04. - https://documentation.idenfy.com/api-reference/sos-reports/retrieve-sos-filing-document?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing - https://documentation.idenfy.com/guides/dashboard/settings/create-dashboard-account?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing - https://documentation.idenfy.com/kyb/gov-registry?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing - https://documentation.idenfy.com/kyb/sos-reports?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing - https://documentation.idenfy.com/resources/billing/pay-as-you-go?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing - https://idenfy.com/know-your-business-solution/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing - https://idenfy.com/phone-verification/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing - https://idenfy.com/pricing-plans?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing - https://idenfy.com/secretary-of-state-business-search/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing - https://idenfy.com/terms-and-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing