Chapter VIII

Topic · 76 entries

PaymentDeveloper

Topics

01 · 03 Nov 2026rust_decimal vs bigdecimal: Money Types in Rustfintech · payments

02 · 02 Nov 2026Visa VAMP Thresholds in 2026 vs Mastercard ECPfintech · payments

03 · 01 Nov 2026Level 2 vs Level 3 Processing in 2026: Visa CEDPfintech · payments

04 · 31 Oct 2026Circle Gateway vs CCTP: Unified USDC Balance Guidestablecoin · usdc

05 · 30 Oct 2026DCC vs Multi-Currency Pricing: Who Pays the FX?fintech · payments

06 · 29 Oct 2026Sanctions Screening API: OFAC vs UK vs EU Listsfintech · payments

07 · 28 Oct 2026Merchant Category Codes (MCC): Visa vs Mastercardfintech · payments

08 · 27 Oct 2026CCTP V2 vs USDT0: Moving Stablecoins Cross-Chainstablecoin · usdc

09 · 26 Oct 2026Web Bot Auth vs Visa TAP: How to Verify AI Agentsfintech · payments

10 · 25 Oct 2026AFT vs OCT: Visa Direct and Mastercard Send Rulesfintech · payments

11 · 24 Oct 20268-Digit BIN Lookup: What Stripe and Adyen Returnfintech · payments

12 · 23 Oct 2026OCC GENIUS Act Final Rule: 2-Day Redemptionfintech · payments

13 · 22 Oct 2026Visa Account Updater vs Mastercard ABU Explainedfintech · payments

14 · 21 Oct 2026Stripe Connect vs Adyen for Platforms: Who Pays?fintech · payments

15 · 20 Oct 2026EIP-3009 vs EIP-2612 vs Permit2: Gasless USDCstablecoin · usdc

16 · 17 Oct 2026IBAN Validation and UK Modulus Checks Explainedbanking · payments

17 · 16 Oct 2026MT940 vs camt.053: Bank Statement Parsing Guideiso-20022 · banking

18 · 15 Oct 2026Amex Intent Intelligence: Consent Agents Can Carryfintech · payments

19 · 14 Oct 2026USDC Payment Matching: Deposit Address vs Memostablecoin · usdc

20 · 13 Oct 2026Open Banking APIs: UK OBIE vs Berlin Group vs STETopen-banking · uk

21 · 12 Oct 2026ISO 8583 Explained: MTI, Bitmaps and Data Fieldsfintech · payments

22 · 11 Oct 20263DS2 Frictionless vs Challenge: transStatus Guidefintech · payments

23 · 10 Oct 2026Interchange++ vs Blended Pricing: A UK Guidefintech · payments

24 · 09 Oct 2026Travel Rule Protocols: TRISA vs TRP vs TRUSTfintech · crypto

25 · 08 Oct 2026Stored Credentials: MIT vs CIT in Card APIsfintech · payments

26 · 07 Oct 2026ACH vs RTP vs FedNow vs Fedwire: US Rails Guidefintech · payments

27 · 06 Oct 2026Payment Reconciliation: Stripe vs Adyen Reportsfintech · payments

28 · 05 Oct 2026ACH Return Codes: R10 vs R29 and the 60-Day Rulefintech · payments

29 · 03 Oct 2026SEPA Direct Debit Core vs B2B: Developer Guidefintech · payments

30 · 01 Oct 2026Void vs Refund vs Reversal: Card API Rulesfintech · payments

31 · 29 Sept 2026SEPA Instant vs SCT: The 2026 API Guidefintech · payments

32 · 28 Sept 2026Card Auth Expiry: Visa vs Mastercard Capture Rulesfintech · payments

33 · 27 Sept 2026Faster Payments vs Bacs vs CHAPS: UK API Guidefintech · payments

34 · 26 Sept 2026Apple Pay Token Decryption vs Google Pay ECv2fintech · payments

35 · 25 Sept 2026Card Decline Codes: Visa vs Mastercard Retry Rulesfintech · payments

36 · 24 Sept 2026SoFiUSD on Mastercard: Not a Deposit, Not USDCfintech · payments

37 · 23 Sept 2026Network Tokens: VTS vs MDES vs Your PSP Vaultfintech · payments

38 · 22 Sept 2026SCA Exemptions in 2026: EU vs UK Rules for 3DS2fintech · payments

39 · 21 Sept 2026Chargeback Reason Codes: Visa vs Mastercardfintech · payments

40 · 21 Sept 2026TypeSafe Jev Review: 21 of 22 Chargebacks Rightfintech · ai

41 · 20 Sept 2026TigerBeetle vs Postgres for Payment Ledgersfintech · payments

42 · 19 Sept 2026Webhook Signature Verification: Stripe vs Adyenfintech · payments

43 · 18 Sept 2026ISO 4217 Minor Units: Where Payment APIs Disagreefintech · payments

44 · 17 Sept 2026Circle Arc Mainnet: What USDC as Gas Breaksfintech · payments

45 · 16 Sept 2026PCI DSS 4.0 for Developers: The SAQ A Trapfintech · payments

46 · 13 Sept 2026ISO 20022 pain.001 vs pacs.008: Rules by Railfintech · payments

47 · 12 Sept 2026Idempotency Keys in Payment APIs: No Standardfintech · payments

48 · 11 Sept 2026Open Source Money Transfer: The Licence Trapsfintech · payments

49 · 10 Sept 2026EMVCo Agentic Payments: Intent, Not Liabilityfintech · payments

50 · 09 Sept 2026CASS 15 Reconciliation: No Deadline in the Rulesfintech · uk

51 · 08 Sept 2026MiCA CASP Licence for Crypto Off-Ramps in 2026fintech · payments

52 · 07 Sept 2026Claude Commerce Agents vs ACP: Who Charges?ai-agents · agentic-commerce

53 · 06 Sept 2026Variable Recurring Payments API: The Hard Partsopen-banking · uk

54 · 05 Sept 2026FedNow API in 2026: No Payment Endpointfintech · payments

55 · 04 Sept 2026Crypto-to-Fiat Off-Ramps: Where Payouts Failfintech · payments

56 · 04 Sept 2026Verification of Payee API: What Actually Breaksfintech · payments

57 · 02 Sept 2026NPCI UAP: UPI Circle Is Already the Agent Railfintech · payments

58 · 01 Sept 2026ISO 20022 Structured Address Deadline Deferredfintech · payments

59 · 01 Sept 2026Stablecoin Dev Tools in 2026: What Guides Omitstablecoin · payment-infrastructure

60 · 28 Aug 2026Rust's $350k Bet and an 86-Minute Attackrust · security

61 · 07 Jun 2026UK Open Banking Launches Its Card Challengeropen-banking · uk

62 · 04 Jun 2026AllUnity's SEKAU: A MiCA Stablecoin for Agentsfintech · stablecoin

63 · 03 Jun 2026GitHub Copilot Just Made Every Dev a Metered APIfintech · developer

64 · 24 May 2026Tether and Georgia Launch a Non-USD Stablecoinfintech · stablecoin

65 · 23 May 2026Fintech Devs May Get Fed Master Accountsfintech · payment-developer

66 · 20 May 2026Brazil's Stablecoin Ban Splits the Payment Railfintech · stablecoin

67 · 19 May 2026UK Safeguarding Rules Reshape Payment Devs' Dayfintech · uk

68 · 18 May 2026MoonPay Launches AI Agent Mastercard in UKfintech · ai-agents

69 · 17 May 2026The Graph x402 Gateway: USDC Per-Query Goes Livefintech · x402

70 · 15 May 2026UK Stablecoin Rules Reach Fintech Devs This Weekfintech · uk

71 · 14 May 2026AWS Launches Stablecoin Payments for AI Agentsfintech · ai-agents

72 · 04 Apr 2026x402 Joins Linux Foundation as HTTP Pay Standardfintech · crypto-payments

73 · 03 Apr 2026Google AP2 Completes the Agentic Payment Stackfintech · ai-agents

74 · 02 Apr 2026Visa Launches AI Agent Developer SDK for Paymentsfintech · ai-agents

75 · 30 Mar 2026AI Agents Are Now Making Real Payments in Europeai-agents · fintech

76 · 28 Mar 2026Open Banking £43bn UK Opportunity for Developersopen-banking · fintech