Merchant
PSP
Payment Service Provider - a company that processes payments on behalf of merchants.
Related terms in Merchant
Continue reading
Related across the knowledge graph
Cross-collection links surfaced by semantic relevance.
- GlossaryRead →
Tokenization Service Provider
An entity that issues and manages payment tokens on behalf of a scheme or institution.
- How It WorksRead →
How FedNow Works
The Federal Reserve's 24/7/365 instant payment service.
- GlossaryRead →
Gateway
A merchant-side service that captures, tokenizes, and routes payment data to acquirers and PSPs.
- TopicRead →
Biometric Payments
Face, fingerprint, and palm: authorizing payment with the body itself.
- TopicRead →
Payment Security
PCI, 3-D Secure, network tokens, and the modern defense-in-depth stack.
- TopicRead →
Merchant Systems
Acquiring, gateway, vault, and the modern merchant stack.
- GuideRead →
Agentic Commerce: A Merchant Readiness Checklist
What merchants should ship now to be ready for autonomous-agent purchasing flows.
- How It WorksRead →
How Card Payments Work
From tap to settlement, the four-party model behind every card transaction.