# Additional Customer Verification In certain situations, additional evidence is required to verify customers and ensure we’re compliant with the KYC regulations. Additional Verification APIs support a list of evidences that can be found in the [Supported Evidences guide](/guides/product/kyc/partner-kyc/supported-evidences). If you use the [Customer Account with Partner KYC](/guides/product/kyc/partner-kyc) model and your customers are primarily based in the EU, refer to this [Onboarding EU customers](/guides/product/kyc/partner-kyc/additional-verification#onboarding-eu-customers) guide for instructions on how to use these APIs. If you use the [Customer Account with Partner KYC](/guides/product/kyc/partner-kyc) model and you are onboarding high risk business customers based primarily based in the US, refer to this [Onboarding High Risk US Businesses](/guides/product/kyc/partner-kyc/additional-verification#onboarding-high-risk-us-businesses) guide for instructions on how to use these APIs.