KYB Document Requirements

Retrieve the current KYB document requirements with the metadata 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 lists the document types required for KYB verification in each jurisdiction.

Upload business and shareholder documents with the canonical POST /v1/documents route. Send customerId for business-owned documents or shareholderId for shareholder evidence. Use GET /v1/documents?customerId={id} or GET /v1/documents?shareholderId={id} to list normalized document state; missing required business documents are returned with status: "requested".

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

1. Certificate of Incorporation

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

Accepted Documents by Entity Type:

Requirements:

• Filed with the secretary of state or equivalent government body
• Shows the legal entity name exactly as registered
• Current and valid, not expired or dissolved

2. Corporate Structure

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

Accepted Documents:

Key requirements:

• Account for 100% of ownership
• Identify all Ultimate Beneficial Owners (UBOs) who own 25% or more
• Include ownership documents for parent entities when the business is entity-owned
• Date and sign self-generated documents through a verified control person, lawyer, or third-party CPA

3. Director Structure

What it is: Documentation identifying the company's directors, officers, and control persons.

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: A document proving that the person completing KYB has authority to act for 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:

• Signed by an authorized officer or director
• Specifies the scope of authority granted
• Names the authorized representative
• Notarized when required or recommended
• Current and not expired

5. Proof of Address

What it is: A 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