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Upcoming requirements updates

Learn about the changes to required verification information and how this impacts your integration with Stripe.

The requirement updates in this guide refer to properties in the Accounts v1 API. You can see the corresponding Accounts v2 API properties in Required verification information by selecting v2 in the Accounts API dropdown and the desired update in the Requirement update dropdown.

Payments regulations help prevent crimes such as money laundering, fraud, and tax evasion. Financial regulators around the world enforce Know Your Customer (KYC) requirements to make sure that Stripe collects, verifies, and maintains identity information from certain types of businesses and from individuals who ultimately own, control, or direct them. These requirements are frequently updated by financial service regulators, card networks, and other financial institutions.

This guide provides an overview of the upcoming changes, and highlights the most significant changes. For the exhaustive list of requirements, refer to Required verification information.

If you use an API-based flow to onboard your connected accounts, you must update your integration to handle all requirement changes. Learn more about Connect onboarding options and migrating your API-based onboarding and remediation flows to Stripe-hosted or embedded flows.

Last updated: October 13, 2025

Understand the changes to verification requirements

To align with regulations from the UK Financial Conduct Authority (FCA) and the Central Bank of Ireland (CBI), Stripe is updating our verification requirements for Know Your Customer (KYC) and ultimate beneficial owners (UBO) and directors.

If your connected accounts operate in any of the listed countries, you might need to update your onboarding flow. Failure to make required updates will disrupt your connected accounts’ access to payments and financial services.

To learn more about what is changing and why, see the new compliance requirements support article.

The upcoming changes affect connected accounts in the following countries:

Austria
Belgium
Bulgaria
Croatia
Cyprus
Czech Republic
Denmark
Estonia
Finland
France
Germany
Gibraltar
Greece
Hungary
Iceland
Ireland
Italy
Latvia
Liechtenstein
Lithuania
Luxembourg
Malta
Netherlands
Norway
Poland
Portugal
Romania
Slovakia
Slovenia
Spain
Sweden
Switzerland
United Kingdom

Ongoing updates

Stripe will continue updating the API to support collecting these requirements through April 1, 2026.

Choose an integration approach

Stripe recommends using Stripe-hosted or Embedded onboarding to collect business and identity verification requirements. These options require fewer resources to implement and maintain than using API onboarding. The following table describes the major differences:

  • Stripe-hosted onboarding: Recommended Send accounts to a Stripe-hosted flow to submit required information.
  • Embedded onboarding: Recommended Embed Stripe-provided onboarding components that let accounts submit information directly to Stripe from within your app.
  • API onboarding: Build and manage a custom onboarding flow using Stripe APIs.
Stripe-hosted onboardingEmbedded onboardingAPI onboarding
Best forPlatforms that want Stripe to handle onboardingPlatforms that want a branded, in-app onboarding flowPlatforms that need full control and can build and maintain it
Initial implementation effort3–4 engineering weeks3–4 engineering weeks30–40 engineering weeks
Ongoing effort to address requirement updatesHandled automatically by StripeHandled automatically by StripeRequires proactive monitoring for upcoming changes, plus engineering resources to update the onboarding flow for each change
CustomizationStripe-hosted interface with platform brandingHighly themeable component that accounts access through the platform appPlatform designs, builds, and maintains the interface
Effort to support additional countriesHandled automatically by StripeHandled automatically by StripeRequires engineering resources to update the onboarding flow for each additional country

Learn more about Connect onboarding options and migrating your API-based onboarding and remediation flows to Stripe-hosted or embedded flows.

The changes you make to your onboarding flow depend on how you collect onboarding information. In addition to updating your onboarding flow, update your internal and external documentation as needed, and prepare your support teams to answer questions about the updates.

If you use Stripe-hosted or Embedded onboarding, then you don’t need to update your integration to prepare for these requirement updates. However, you can communicate to your connected accounts that Stripe might request new or updated identity information when requirements change.

API integration overview

If you choose not to migrate to Stripe-hosted or Embedded onboarding, then you need to address the following updates:

  • Know Your Customer (KYC) verification
  • Ultimate beneficial owner (UBO) and director relationship verification
  • Netherlands business registration (KvK) requirements

Update timeline

The following timeline explains the key milestones for these changes. Make sure to update and test your integration early to avoid any issues when the new requirements take effect.

DateMilestoneDescription
October 2025Start integration planningInitial API updates are available. Review this guide and the changes to start planning your integration updates.
February 2026Review impacted accounts and test your integration updatesStripe provides a list of your impacted connected accounts. Start testing your updated onboarding flow.
April 1, 2026New requirements apply to all new accountsMake sure that your updated onboarding flow is ready to collect new requirements for connected accounts. Stripe will begin rolling out these requirements to new accounts that onboard on or after this date.
April 2026 – early July 2026New requirements become currently due for existing accountsThe new requirements roll out to existing connected accounts during this period. Use your updated onboarding flow to collect them as needed.
July – October 2026Due dates for new requirementsTo avoid restrictions, the updated requirements for each account must be verified by that account’s due date.

Know your customer (KYC) verification

Stripe is strengthening our identity verification process, which might require some of your connected accounts to provide additional information. We’re also adding more options to the API for verifying information.

The following entities must provide verifiable KYC information:

  • Legal entity (for individuals and sole proprietor entities);
  • Account representative
  • UBOs and directors (for accounts deemed high risk by the Stripe risk model)

Alternative verification methods

If initial verification fails, you can try one of the following methods:

  • Stripe Identity Recommended
  • National ID verification

You can also still upload additional documents.

Stripe Identity Recommended

You can attempt to verify connected accounts that fail their automatic verification by using Stripe Identity. Identity works by capturing a selfie and an ID document. Most European countries support Stripe Identity, and success rates vary by country.

Create an Identity verification session and use the related_person parameter to submit document and proof_of_liveness requirements for the person. You can check the results using the API or the Dashboard.

National ID verification Public preview

In the countries affected by this update, you can improve verification of a connected account representative by providing their national ID number in addition to their name, birthdate, address, and nationality.

Verification currently supports only the following national ID numbers.

CountryNational ID type
DenmarkCentral Person Register (CPR)
ItalyCodice Fiscale (Fiscal Code)
PolandPESEL number
SpainDocumento Nacional de Identidad (DNI)
SwedenPersonnummer (Personal Identity Number)

You can provide national ID numbers only for connected accounts in the countries affected by this update. For example, you can provide the ID number for a Spanish citizen acting as a representative for a connected account in Austria, but you can’t provide the ID number for a Spanish citizen acting as a representative for a connected account in the US.

National ID availability

This integration will be available in production when the updated requirements become future requirements. Use the following example to test your integration.

Implement national ID verification using the API

The following example demonstrates onboarding a new connected account with the updated requirements.

Note

The differences below only impact the v1 Accounts API, not v2.

Step 1: Create a connected account

After future requirements roll out, create connected accounts as usual. Until then, create new connected accounts in test mode to enable the new KYC behavior.

Trigger this behavior by changing two parts of your account creation call:

  1. Add the header experimental_onboarding_preview=v1.
  2. Submit capabilities[card_payments][experimental]=true.

After you create the account, you see a new requirement string representative.nationality. This indicates you can create an account representative and pass nationality.

// Creating a connected account in Spain > curl https://api.stripe.com/v1/accounts \ -u sk_test_123 \ -H "Stripe-Version: 2025-08-27.basil;experimental_onboarding_preview=v1" \ -d 'type'='custom' \ -d 'country'='ES' \ -d 'capabilities[card_payments][requested]'='true' \ -d 'capabilities[card_payments][experimental]'='true' \ -d 'capabilities[transfers][requested]'='true' { "id": "acct_1Nv0FGQ9RKHgCVdB", ... "requirements": { "past_due": [ ... "representative.nationality", ... ] } ... }

Step 2: Create an account representative

After you create the connected account, create an account representative.

> curl https://api.stripe.com/v1/accounts/acct_1Nv0FGQ9RKHgCVdB/persons \ -u sk_test_123: \ -d first_name=John \ -d last_name=Doe { "id": "person_1N9XNb2eZvKYlo2CjPX7xF6B", ... }

Step 3: Submit nationality

After you create an account representative, nationality appears in past_due. Collect this field so Stripe can determine if the representative is eligible for id_number collection.

> curl https://api.stripe.com/v1/accounts/acct_1Nv0FGQ9RKHgCVdB -u sk_test_123: { ... "requirements": { "past_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.dob.year", ...other person requirements... "person_1N9XNb2eZvKYlo2CjPX7xF6B.nationality" ] } ... }

After you collect nationality, if the person is in an eligible country you see past_due and alternatives. This indicates that collecting national ID is recommended but not required.

> curl https://api.stripe.com/v1/accounts/acct_1Nv0FGQ9RKHgCVdB/persons/person_1N9XNb2eZvKYlo2CjPX7xF6B \ -u sk_test_123: \ -d nationality=ES > curl https://api.stripe.com/v1/accounts/acct_1Nv0FGQ9RKHgCVdB -u sk_test_123: { "requirements": { "past_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.dob.year", ...other person fields... ], "alternatives": [ { "original_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.dob.year", ...other person fields... ], "alternative_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.id_number" ] } ] } }

Step 4: Collect remaining account representative fields

Collect additional person attributes, including a national ID number, to start programmatic KYC verification.

> curl https://api.stripe.com/v1/accounts/acct_1Nv0FGQ9RKHgCVdB/persons/person_1N9XNb2eZvKYlo2CjPX7xF6B \ -u sk_test_123: \ -d 'id_number'='74362315-A' \ ...other person fields...

Step 5: Keyed-in fields go into pending verification

After you provide keyed-in data, fields appear in pending_verification in a new way:

  • Keyed-in fields go into pending_verification rather than verification.document and verification.additional_document. This indicates the keyed-in fields are being verified.
  • The id_number requirement can go into pending_verification if provided, even if it appears only in alternative_fields_due and never in past_due or currently_due.
> curl https://api.stripe.com/v1/accounts/acct_1Nv0FGQ9RKHgCVdB/ -u sk_test_123: { "requirements": { "pending_verification": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.address.city", "person_1N9XNb2eZvKYlo2CjPX7xF6B.address.line1", "person_1N9XNb2eZvKYlo2CjPX7xF6B.address.postal_code", "person_1N9XNb2eZvKYlo2CjPX7xF6B.dob.day", "person_1N9XNb2eZvKYlo2CjPX7xF6B.dob.month", "person_1N9XNb2eZvKYlo2CjPX7xF6B.dob.year", "person_1N9XNb2eZvKYlo2CjPX7xF6B.first_name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.id_number", "person_1N9XNb2eZvKYlo2CjPX7xF6B.last_name" ], } }

Step 6: Handle verification errors

In many cases, after fields enter pending_verification, the representative passes KYC and the process completes.

If verification fails, Stripe returns additional information to help you guide the next steps.

There are two important changes.

Multiple alternatives

In the requirements hash you will see multiple alternatives. Each of these represents a path forward for your users.

For example, if the name and date of birth match but the name and address don’t, your connected account has several ways to resolve the issue:

  1. They can check the information they’ve entered for name and address and re-enter those fields to correct any errors.
  2. They can check the information they entered for dob, name, address and id_number and re-key correct information.
  3. They can upload a document that matches their name and address
  4. They can complete Stripe Identity

These four paths appear as past_due fields and alternatives:

> curl https://api.stripe.com/v1/accounts/acct_1Nv0FGQ9RKHgCVdB -u sk_test_123: { "requirements": { // 1. They can check the information they've entered for dob, name, and address, and re-enter the correct information. "past_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.first_name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.last_name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.address.*", ], "alternatives": [ // 2. They can check the information they entered for dob, name, address and id_number and re-key correct information. { "original_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.first_name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.last_name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.address.*", ], "alternative_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.id_number" ] }, // 3. They can upload document that matches their name and address { "original_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.first_name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.last_name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.address.*" ], "alternative_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.verification.additional_document" ] }, // 4. They can complete Stripe Identity { "original_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.first_name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.last_name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.address.*" ], "person_1N9XNb2eZvKYlo2CjPX7xF6B.proof_of_liveness" ] }, ] } }

Errors on keyed-in fields Previously, if a verification error occurred while processing keyed-in fields, document fields went to past_due and errors appeared on them. Going forward, keyed-in fields return to past_due. Fields like id_number remain in alternative_fields_due.

For example, if name, date of birth, and address are originally past_due, and after submission name and date of birth match while name and address do not, then name and address return to past_due while date of birth is removed.

In this situation, errors appear on fields in past_due and alternative_fields_due.

> curl https://api.stripe.com/v1/accounts/acct_1Nv0FGQ9RKHgCVdB -u sk_test_123: { "requirements": { "past_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.address" ], "alternatives": [ { "original_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.address" ], "alternative_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.id_number" ] }, { "original_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.address" ], "alternative_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.proof_of_liveness" ] }, { "original_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.name", "person_1N9XNb2eZvKYlo2CjPX7xF6B.address" ], "alternative_fields_due": [ "person_1N9XNb2eZvKYlo2CjPX7xF6B.verification.additional_document" ] } ] "errors": [ { "code": "verification_failed_keyed_in_mismatch", "reason": "Identity information could not be verified." "requirement": "person_1N9XNb2eZvKYlo2CjPX7xF6B.name" }, { "code": "verification_failed_keyed_in_mismatch", "reason": "Identity information could not be verified." "requirement": "person_1N9XNb2eZvKYlo2CjPX7xF6B.address" }, { "code": "verification_failed_keyed_in_mismatch", "reason": "Identity information could not be verified." "requirement": "person_1N9XNb2eZvKYlo2CjPX7xF6B.id_number" } ] } }

Relationship verification for UBOs and directors

Stripe is enhancing our verification process for ultimate beneficial owners (UBOs) and directors. European regulations require verification of the relationship of UBOs and directors to the legal entity:

  • UBO: An individual who owns or controls (directly or indirectly) more than 25% of a legal entity (for example, companies, corporations, LLCs, and partnerships).
  • Director: A board member or senior person responsible for managing a business (for example, CEO, COO, managing director).

The following table shows the relationships that must be verified for each legal entity type:

Legal entity typeRelationships to verifyNote
Company, corporation, LLC, partnershipUBOs if they exist; otherwise directorsUK only: both UBOs and directors
Non-profitDirectorsNon-profits don’t normally have UBOs
Government agency, government entity, individual, sole proprietor, publicly tradedN/AIdentity verification only

Verification process

Connected accounts type in UBO or director information (name, date of birth, address). Stripe attempts to verify the person’s relationship to the legal entity using third-party sources. If automatic verification fails, the account can upload an official document or sign a digital attestation.

Digital attestation availability

Providing digital attestations isn’t available yet. Use this information to prepare for testing. We recommend that you use digital attestation when it becomes available.

If the account chooses digital attestation, use the following document templates.

Templates:

  • Ultimate beneficial owner digital attestation template
  • Director digital attestation template

Implement digital attestation for UBO and director verification using the API

The following example shows how to perform digital attestation for UBO or director verification.

  1. Retrieve the account to identify which attestation documents are required.

    // Check for UBO attestation requirement > curl https://api.stripe.com/v1/accounts/acct_1234 \ -u sk_test_123: // Response showing UBO requirement { "id": "acct_1234", "requirements": { "past_due": ["documents.proof_of_ultimate_beneficial_ownership.files"], "errors": [] } } // Or for directors & officers requirement { "id": "acct_1234", "requirements": { "past_due": ["documents.proof_of_registration.files"], "errors": [] } }
  2. Generate a PDF using the template, and have an authorized person digitally sign it.

  3. Upload the signed attestation document using the File API.

    curl -X POST https://files.stripe.com/v1/files \ -u sk_test_123: \ -F purpose=account_requirement \ -F file=@signed_attestation.pdf // Response { "id": "file_1234567890", "object": "file", "purpose": "account_requirement" }
  4. Submit the document with the signer’s name for validation.

    // For UBO attestation curl -X POST https://api.stripe.com/v1/accounts/acct_1234 \ -u sk_test_123: \ -d "documents[proof_of_ultimate_beneficial_ownership][files][]=file_1234567890" \ -d "documents[proof_of_ultimate_beneficial_ownership][signer][person]=person_xyz" // For D&O attestation curl -X POST https://api.stripe.com/v1/accounts/acct_1234 \ -u sk_test_123: \ -d "documents[proof_of_registration][files][]=file_1234567890" \ -d "documents[proof_of_registration][signer][person]=person_xyz"

Signer validation requirements

Who can sign attestations

  • Account representatives
  • Business owners (25%+ ownership)
  • Directors and officers
  • Other authorized account members

Important: The signer must be an existing person associated with the account. Only individuals with a documented relationship to the legal entity can sign attestation documents.

Error handling

Digital attestation introduces specific error scenarios you need to handle:

Invalid signator

Occurs when the signer isn’t associated with the account or lacks authority.

{ "requirements": { "past_due": ["documents.proof_of_ultimate_beneficial_ownership.files"], "errors": [{ "requirement": "documents.proof_of_ultimate_beneficial_ownership.files", "code": "invalid_signator", "reason": "Unauthorized attestation signer. The signer must have a documented relationship with the legal entity." }] } }

Stale attestation

Occurs when beneficial ownership information changes after attestation upload.

{ "requirements": { "past_due": ["documents.proof_of_ultimate_beneficial_ownership.files"], "errors": [{ "requirement": "documents.proof_of_ultimate_beneficial_ownership.files", "code": "verification_document_name_mismatch", "reason": "The attestation document is no longer valid due to changes in beneficial ownership information. Upload a new attestation reflecting the current ownership structure." }] } }

Document failed

Occurs when the uploaded document is unreadable or incorrect.

{ "requirements": { "past_due": ["documents.proof_of_registration.files"], "errors": [{ "requirement": "documents.proof_of_registration.files", "code": "verification_document_failed_other", "reason": "Your team can contact Stripe to learn more about why identity verification failed." }] } }

Implementation notes

Parameter constraints

  • Provide signer parameters only when files are also submitted.
  • Available for both v1 and v2 Account APIs.

API errors when submitting signer without files

{ "error": { "code": "invalid_signator", "message": "signer.person can only be provided when a file is also provided", "type": "invalid_request_error" } }

Next Steps

  1. Update your integration to collect signer names when using attestation documents
  2. Implement error handling for new attestation-specific error codes
  3. Train your support team on the new attestation requirements

Prefill UBO and director information Private preview

Stripe is developing an API that provides a programmatically detected set of UBOs or directors associated with the legal entity. You can present this set to connected accounts for confirmation (prefill). Prefill increases verification rates and reduces friction. If you’re interested in prefill for UBO or director verification, sign up to express your interest below.

Netherlands business registration (KvK) requirements

Starting in 2026, we’re enforcing stricter business type requirements for Netherlands (NL) accounts to ensure compliance with Dutch regulations. This specifically affects how we collect the KvK (Kamer van Koophandel), the unique 8-digit company registration number required for businesses in the Netherlands.

What’s changing

1. Individual business type is no longer supported

The individual business type is no longer supported for Netherlands accounts. This affects: Existing and new NL accounts with business_type: "individual" and business_type: "sole_proprietorship"

Why this matters: In the Netherlands, every business must provide a KvK (Chamber of Commerce) number. Our “individual” business type doesn’t collect a KvK, which makes it non-compliant.

2. New error code: unsupported_business_type

Accounts with invalid business types see a new error in their requirements:

// Account with unsupported business type { "id": "acct_123", "business_type": "individual", "country": "NL", "requirements": { "past_due": ["business_type"], "errors": [{ "requirement": "business_type", "code": "unsupported_business_type", "reason": "Business type isn't supported in merchant country. 'individual' isn't a supported business type in country NL." }] } }

3. Collect KvK registration for unincorporated accounts

Existing and new NL accounts with the following business types and structures are required to provide KvK registration.

  • business_type: "company" and business_structure: "unincorporated_partnership"
  • business_type: "non_profit" and business_structure: "unincorporated_non_profit"

Why this matters: unincorporated accounts are currently not required to provide a KvK number, which violates Dutch compliance requirements. All NL businesses must provide their KvK registration.

How to resolve

For existing accounts

Existing NL accounts with individual business type must update to company with sole_proprietorship structure to stay compliant when we start rolling out this new requirement:

// Update existing account curl -X POST https://api.stripe.com/v1/accounts/acct_123 \ -u sk_test_123: \ -d "business_type=company" \ -d "company[structure]=sole_proprietorship" \ -d "company[tax_id]=12345678" // KvK number // Successful response { "id": "acct_123", "business_type": "company", "company": { "structure": "sole_proprietorship", "tax_id": "12345678" }, "requirements": { "past_due": [], // business_type requirement resolved "errors": [] } }

For new account creation

Attempting to create a Netherlands account with an individual business type will return the unsupported_business_type error.

// This will fail curl -X POST https://api.stripe.com/v1/accounts \ -u sk_test_123: \ -d "country=NL" \ -d "type=custom" \ -d "business_type=individual" // Response { "id": "acct_123", "business_type": "individual", "country": "NL", "requirements": { "past_due": ["business_type"], "errors": [{ "requirement": "business_type", "code": "unsupported_business_type", "reason": "Business type isn't supported in merchant country. 'individual' isn't a supported business type in country NL." }] } // Correct approach curl -X POST https://api.stripe.com/v1/accounts \ -u sk_test_123: \ -d "country=NL" \ -d "type=custom" \ -d "business_type=company" \ -d "company[structure]=sole_proprietorship"

Supported business structures for NL

For Netherlands accounts, use these business type and structure combinations:

Business TypeStructureKvK Required
companysole_proprietorshipYes
companyincorporated_partnershipYes
companyunincorporated_partnershipYes
companyprivate_corporationYes
companypublic_corporationYes
non_profitVarious structuresYes

Impact on capabilities

Accounts with unsupported_business_type error will have their capabilities restricted until the business type is updated:

{ "capabilities": { "card_payments": "inactive", "transfers": "inactive" }, "requirements": { "disabled_reason": "requirements.past_due", "past_due": ["business_type"] } }

Accounts have not provided their KvK registration will have their card_payments capability restricted until this information is provided:

{ "capabilities": { "card_payments": "inactive" }, "requirements": { "disabled_reason": "requirements.past_due", "past_due": ["company.tax_id"] } }

Migration timeline

  • Now: New error code unsupported_business_type is active
  • When Future requirements rollout: Existing accounts must start remediation
  • September 30, 2026: All NL accounts must be compliant

Implementation Checklist

For platforms with NL connected accounts:

  1. Audit existing accounts
// Find affected accounts const accounts = await stripe.accounts.list({ limit: 100, // Filter for NL accounts in your system }); const affected = accounts.data.filter(a => a.country === 'NL' && a.business_type === 'individual' );
  1. Update account creation flows

    • Remove individual option for NL accounts
    • Default to company with sole_proprietorship
    • Collect KvK number (company.tax_id)
  2. Handle the new error code

if (account.requirements.errors.some(e => e.code === 'unsupported_business_type')) { // Prompt user to update business type // Guide them to select appropriate structure // Collect KvK number }
  1. Communicate with affected connected accounts

    • Explain why the change is needed
    • Provide guidance on selecting correct business structure
    • Help them locate their KvK number

Testing

Test your implementation with these scenarios:

// Test updating to valid business type const updated = await stripe.accounts.update('acct_test_123', { business_type: 'company', company: { structure: 'sole_proprietorship', tax_id: '12345678' // Test KvK } });

Additional considerations

Individual freelancers

In the Netherlands, even individual freelancers must register as a business (eenmanszaak) and obtain a KvK number. They should select company → sole_proprietorship.

How to find the KvK number for connected accounts

The KvK number is on their Chamber of Commerce registration certificate (uittreksel Kamer van Koophandel).

#### Backward compatibility In older API versions, unsupported_business_type appears as invalid_value_other with a detailed_code field containing the specific error.

See also

  • Connect onboarding for Custom accounts
  • Onboarding solutions for Custom accounts
  • Updating accounts
  • Handling identity verification with the API
  • Testing Custom account identity verification
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