Tom Wang
/ tomcn.uk
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All entries
Chapter VIII
Topic · 19 entries
V
i
s
a
Topics
fintech
105
payments
80
payment-developer
76
payment-infrastructure
67
api
53
uk
43
stablecoin
35
ai-agents
28
stripe
26
mastercard
23
01 · 02 Nov 2026
Visa VAMP Thresholds in 2026 vs Mastercard ECP
fintech · payments
→
02 · 01 Nov 2026
Level 2 vs Level 3 Processing in 2026: Visa CEDP
fintech · payments
→
03 · 30 Oct 2026
DCC vs Multi-Currency Pricing: Who Pays the FX?
fintech · payments
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04 · 28 Oct 2026
Merchant Category Codes (MCC): Visa vs Mastercard
fintech · payments
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05 · 26 Oct 2026
Web Bot Auth vs Visa TAP: How to Verify AI Agents
fintech · payments
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06 · 25 Oct 2026
AFT vs OCT: Visa Direct and Mastercard Send Rules
fintech · payments
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07 · 24 Oct 2026
8-Digit BIN Lookup: What Stripe and Adyen Return
fintech · payments
→
08 · 22 Oct 2026
Visa Account Updater vs Mastercard ABU Explained
fintech · payments
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09 · 12 Oct 2026
ISO 8583 Explained: MTI, Bitmaps and Data Fields
fintech · payments
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10 · 11 Oct 2026
3DS2 Frictionless vs Challenge: transStatus Guide
fintech · payments
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11 · 10 Oct 2026
Interchange++ vs Blended Pricing: A UK Guide
fintech · payments
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12 · 08 Oct 2026
Stored Credentials: MIT vs CIT in Card APIs
fintech · payments
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13 · 01 Oct 2026
Void vs Refund vs Reversal: Card API Rules
fintech · payments
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14 · 28 Sept 2026
Card Auth Expiry: Visa vs Mastercard Capture Rules
fintech · payments
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15 · 25 Sept 2026
Card Decline Codes: Visa vs Mastercard Retry Rules
fintech · payments
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16 · 23 Sept 2026
Network Tokens: VTS vs MDES vs Your PSP Vault
fintech · payments
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17 · 22 Sept 2026
SCA Exemptions in 2026: EU vs UK Rules for 3DS2
fintech · payments
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18 · 21 Sept 2026
Chargeback Reason Codes: Visa vs Mastercard
fintech · payments
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19 · 02 Apr 2026
Visa Launches AI Agent Developer SDK for Payments
fintech · ai-agents
→