Knowledge Base
Use these short explainers to understand the role of each service before a deeper discussion.
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A gateway transports supported payment messages to contracted endpoints and returns statuses.
A gateway transports supported payment messages to contracted endpoints and returns statuses. Scope depends on the business model, applicable rules and confirmed service configuration.
View related service →An issuing platform coordinates supported card-program configuration and lifecycle operations.
An issuing platform coordinates supported card-program configuration and lifecycle operations. Scope depends on the business model, applicable rules and confirmed service configuration.
View related service →Website screening reviews merchant websites for risk indicators relevant to payment operations.
Website screening reviews merchant websites for risk indicators relevant to payment operations. Scope depends on the business model, applicable rules and confirmed service configuration.
View related service →eKYC coordinates digital onboarding, verification handoffs and exception review.
eKYC coordinates digital onboarding, verification handoffs and exception review. Scope depends on the business model, applicable rules and confirmed service configuration.
View related service →3D Secure supports cardholder authentication in online card-not-present payments.
3D Secure supports cardholder authentication in online card-not-present payments. Scope depends on the business model, applicable rules and confirmed service configuration.
View related service →An ACS applies issuer policy for cardholder authentication within a 3D Secure flow.
An ACS applies issuer policy for cardholder authentication within a 3D Secure flow. Scope depends on the business model, applicable rules and confirmed service configuration.
View related service →A comparison of requestor-side integration and issuer-side authentication responsibilities.
A comparison of requestor-side integration and issuer-side authentication responsibilities. Scope depends on the business model, applicable rules and confirmed service configuration.
View related service →Dispute workflows coordinate post-transaction cases, evidence and chargeback operations.
Dispute workflows coordinate post-transaction cases, evidence and chargeback operations. Scope depends on the business model, applicable rules and confirmed service configuration.
View related service →Knowledge Base content is educational and general. It is not legal, regulatory, tax, technical certification, or implementation advice. Service scope is confirmed through a direct Vellfi discussion and written agreement.
Next step
Contact Vellfi for a focused discussion about payment, issuing, authentication, onboarding review, or dispute service needs.