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What is ISO 20022? The common language banks use for payments

By SendPay Business · · 2 min read

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ISO 20022 is an international standard for the messages that banks and payment systems send each other. Think of it as a shared language: it sets out how a payment's details, such as who is paying, who is being paid and why, are written down and passed along.

Why it matters

Older payment formats had little room for detail and different systems used different formats. ISO 20022 carries richer, structured data, so payments are easier to check, match and screen.

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Who is using it

Major payment systems around the world have been moving to ISO 20022, including SWIFT for cross-border payments and the UK's CHAPS system for high-value payments.

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What it means for businesses

  • Fuller payment references make reconciliation easier.
  • Structured names and addresses can help payments pass checks first time.
  • Better data can help banks spot fraud and errors.
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Where SendPay fits

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How it works

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Questions people ask

Is this SWIFT code valid?

Check a SWIFT code's format and read its parts.

SWIFT code checker →
What is a SWIFT code?

How banks are identified abroad.

What is a SWIFT code? →
What is CHAPS?

The UK's high-value payment system.

What is CHAPS? →
What is payment reconciliation?

Matching payments to what's owed.

Payment reconciliation →

Read next

Spotted a mistake or something out of date? and we'll fix it. How our guides are made

This guide is general information, not legal or financial advice. SendPay Business is a technology company, not a bank, and does not take deposits; regulated services on the platforms are provided by licensed partners. Other companies named in this guide are reference points only and are not affiliated with SendPay Business.