KYB Document Requirements

Required documents for KYB verification can be retrieved via the public meta endpoint:

GET /v1/meta/kyb/documents

Response:

{
  "US": {
    "requested_types": [
      "certificate_of_incorporation",
      "power_of_attorney",
      "corporate_structure",
      "director_structure",
      "proof_of_address"
    ]
  },
  "GB": { "requested_types": [...] },
  "DE": { "requested_types": [...] }
}

The requested_types array contains the document types required for KYB verification by jurisdiction.

Supported Countries

US, GB, DE, FR, ES, IT, NL, BE, AT, CH, IE, PT, PL, SE, DK, NO, FI, LU, SG, HK, AU, NZ, CA, JP, KR, AE, IL, BR, MX, IN

Document Types Explained

1. Certificate of Incorporation

What it is: Official government-issued document proving the legal formation and registration of the business entity.

Accepted Documents by Entity Type:

Requirements:

• Must be filed with the secretary of state or equivalent government body
• Must show the legal entity name exactly as registered
• Must be current/valid (not expired or dissolved)

2. Corporate Structure

What it is: Documentation showing the complete ownership structure of the company, including all shareholders and their ownership percentages.

Accepted Documents:

Key Requirements:

• Must account for 100% of ownership
• Must identify all Ultimate Beneficial Owners (UBOs) who own 25% or more
• If owned by another entity, must provide ownership docs for parent entities too
• Self-generated documents must be dated and signed by a verified control person, lawyer, or third-party CPA

3. Director Structure

What it is: Documentation identifying all directors, officers, and control persons of the company.

This document type requires BOTH:

1. Shareholder data submitted via API (see Shareholders section)
2. Supporting document (uploaded file)

Accepted Supporting Documents:

Who Must Be Included:

• All directors/board members
• All executive officers (CEO, CFO, COO, President, etc.)
• All Ultimate Beneficial Owners who own 25% or more
• Anyone with significant control over the business

4. Power of Attorney

What it is: Document proving that the person completing the KYB process has authority to act on behalf of the company.

When is it required?

Accepted Alternatives (when completed by control person):

Instead of a formal Power of Attorney, you can provide:

• Board Resolution authorizing the individual to act on behalf of the company
• Authorization Letter signed by a director/officer
• Mark the shareholder with isSigner: true and hasControl: true in the API

Formal Power of Attorney Requirements:

• Must be signed by an authorized officer/director
• Must specify the scope of authority granted
• Must name the authorized representative
• Should be notarized (recommended but not always required)
• Must be current (not expired)

5. Proof of Address

What it is: Document confirming the business's current operating address.

Accepted Documents:

NOT Accepted:

• PO Box addresses
• Virtual office addresses (unless accompanied by physical address proof)
• Documents older than 90 days (except valid lease agreements)
• Mobile phone bills
• Insurance documents
• Documents not addressed to the business legal name

Supported Document Type Codes