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Help Centre
Developer information
Developer information
Content and guides for developers
What do Vx response codes mean?
What do Cx response codes mean?
What do Address Verification Service (AVS) response codes mean?
Which shopping cart plug-ins are available from Cashflows?
What do Dx response codes mean?
What do Sx response codes mean?
What do Rx response codes mean?
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Testing
How can I test a payment request?
3-D Secure
What 3-D Secure data do I need to include in payments requests?
What are PSD2 SCA exemptions and exclusions?
How can I prepare for PSD2 SCA exemptions and exclusions?
Other
What is 8-digit BIN?
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