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How Payments Infrastructure Really Works

Issuers, acquirers, networks and processors: what happens in the seconds after a customer taps a card.

By Priya Raman, Technology & Business Reporter

Updated 1 min read

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How Payments Infrastructure Really Works
Image: Unsplash

A card payment feels instant, but behind it sits a chain of companies each playing a specific role. Understanding that chain helps businesses make sense of fees, delays and declined transactions.

Authorisation

The merchant’s payment provider sends the request through a card network to the customer’s bank, which approves or declines it.

Clearing and settlement

Later, transactions are batched, reconciled and funds move from the customer’s bank to the merchant’s, minus fees.

Where the fees go

Interchange goes to the card issuer, network fees to the scheme and a margin to the payment provider.

Key takeaways

  • Authorisation
  • Clearing and settlement
  • Where the fees go

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About the author

Priya RamanTechnology & Business Reporter

Priya reports on how AI, software and cybersecurity are changing the way companies operate and compete.

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