For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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HomeGuidesAPI reference
HomeGuidesAPI reference
  • Get started
    • Quickstart—Verify a Business
    • Quickstart—Register an entity for payroll taxes
    • Learn how Middesk works
    • Security
    • Changelog
  • Build with Middesk
    • Get your API keys
    • Understand API changes
    • Status codes and errors reference
    • Implement webhooks
    • Secure webhooks
    • Use GraphQL
    • Connect MCP
  • Verify a business (KYB)
    • Verify TIN
    • Verify name and address
    • Verify Secretary of State status
    • Verify owners and officers
    • Screen for sanctions and watchlists
    • Search for adverse media
    • Search for Politically Exposed Persons
    • Implement KYC
    • Discover connections
    • Evaluate online presence
    • Assess credit risk
    • Accelerate onboarding
    • Monitor business activity
    • Manage business entities
    • Work with agents
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Verify a business (KYB)

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Address your risk and compliance needs by verifying business information, screening for sanctions, performing Know Your Customer (KYC) checks, and more.

Verify TIN

Verify the Taxpayer Identification Number (TIN) associated with a business.

Verify name and address

Verify a business name and office address.

Screen for sanctions

Screen businesses and individuals against OFAC sanctions lists to support your compliance programs.

Search for adverse media

Search for negative media coverage and assess associated risks.

Perform enhanced screenings

Screen against U.S. and global watchlists, sanctions, and Politically Exposed Persons (PEP) for a business and its associated people.

Implement KYC

Implement Know Your Customer (KYC) verification through Socure to perform due diligence checks on people associated with a business.

Get a demo
Contact your account manager or contact sales to inquire about access.