Guides

Guides and Resources

Explore and learn more about everything from machine learning and global payments to building marketplaces and scaling your team.

Featured Guides

Start with the Foundation

Payment OrchestrationIntermediate8-min read
How to choose virtual cards for advertising
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Payment RolesIntermediate8-min read
Card Issuing Platforms: A Business-Spend Buyer’s Guide
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Developer integrationIntermediate11-min read
Card Issuing API: An Integration Acceptance Checklist
Use the worksheet to assign owners, record evidence, and define acceptance tests for your company’s card issuing integration.
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Payment RolesBeginner friendly13-min read
What Is Card Issuing? How It Works and How to Choose a Platform
A plain guide to card issuing: who issues and approves a card, how platforms and card issuing as a service work, and when you need your own card program.
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Local Payment MethodsIntermediate12-min read
Payment Gateway India: UPI Eligibility and Launch Checks
Evaluate an India gateway through the merchant entity, enabled collection route, device journeys and a reconciled money flow.
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Local Payment MethodsIntermediate13-min read
Payment Gateway in Taiwan: A Route-by-Route Merchant Guide
A route-by-route guide to evaluating Taiwan checkout methods, including LINE Pay, JKOPay, automated teller machine (ATM) and convenience-store payments. It explains how to verify merchant configuration, currency layers, payment confirmation, refunds, settlement, payout and launch testing before relying on public method lists.
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Payment OrchestrationIntermediate20-min read
Payment Gateway Saudi Arabia: Routes and Launch Checks
For Mada, STC Bank, Apple Pay, and international cards, separate three questions: what exists in the market, what the provider documents, and what your merchant account is approved to use.
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Payment OrchestrationIntermediate16-min read
Payment Gateway Vietnam: Cards, MoMo, VietQR and Bank Routes
International merchants entering Vietnam need more than a list of gateway logos. The useful comparison separates cards, the MoMo wallet, VietQR bank-account QR and bank transfers. It then checks the customer flow, merchant entity, approved route, Vietnamese dong (VND) or US dollar (USD) handling, settlement, refunds and reconciliation. This guide provides that evidence framework and shows which details belong in a written quote.
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Payment OrchestrationIntermediate20-min read
Payment Gateway Thailand: An Evidence-Led Selection Guide
Choosing a Thailand payment gateway is an evidence problem, not a logo-counting exercise. This guide helps international merchants evaluate cards, PromptPay, Thai quick-response (QR) payments and TrueMoney while keeping market availability, a provider’s public listing and merchant-account activation separate. It also provides a method matrix, quote decoder and selection flow for checking Thai baht, fees, refunds, settlement and reconciliation before integration.
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Payment OrchestrationIntermediate19-min read
Payment Gateway Philippines: Cards, Wallets and QR Ph Guide
An evidence-led guide for international merchants comparing Philippine cards, GCash, Maya, GrabPay and QR Ph while separating market presence, public route codes and merchant activation. It covers PHP configuration, public pricing boundaries, checkout flows, refunds, disputes, settlement questions and reconciliation evidence to confirm before integration.
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Payment OrchestrationIntermediate17-min read
Payment Gateways in Singapore: A Verification Guide for International Merchants
Choose a Singapore payment gateway by verifying merchant eligibility, cards, PayNow, currencies, settlement, refunds, disputes, integration, reconciliation, and total quoted cost.
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Payment OrchestrationIntermediate31-min read
Payment Gateway Malaysia: A Method-by-Method Selection Guide
An evidence-led guide to cards, local wallets, DuitNow and FPX for merchants evaluating Malaysia checkout, operations, settlement and account eligibility.
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Acquiring DecisionsIntermediate19-min read
Payment Gateways in the UK: A Due-Diligence Guide for International Merchants
Use this guide to assess payment gateways for UK-facing sales across cards, authentication, GBP, fees, refunds, disputes, settlement and local-payment requirements—without assuming that a market rail is supported by a particular provider.
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Payment OrchestrationIntermediate16-min read
Payment Gateway UAE: An Evidence-Led Selection Guide for Merchants
Choose a UAE payment gateway by merchant eligibility, customer payment preference, lifecycle operations, settlement, reconciliation, integration, and written contract evidence—not by a provider list or headline fee alone.
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Fraud & RiskIntermediate28-min read
The Chargeback Process: A Complete Step-by-Step Guide for Merchants
A working guide to the chargeback process for merchants selling small-ticket digital goods, subscriptions, and in-game content. It follows a dispute from the cardholder's first claim through representment, pre-arbitration, and arbitration, and cites the time limit for each stage directly from the Visa Core Rules — including the stage that Visa's fraud and authorization categories do not have.
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Acquiring DecisionsIntermediate9-min read
Payment Gateway Fees: Complete Cost Breakdown (2026)
Understand transaction charges, international-card fees, currency conversion, disputes, and other costs. Compare six providers' fee structures, with plan details and worked examples.
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Cross-Border PaymentsIntermediate15-min read
International Payment Gateways: 9 Compared (2026)
This guide compares nine international payment gateway providers — the same category is often called a global payment gateway or a cross-border payment gateway — across merchant eligibility, customer payment methods, currencies, pricing, settlement, integrations, refunds, disputes, and operational fit. It also provides a four-pass framework for building a shortlist without relying on a generic provider ranking.
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Acquiring DecisionsBeginner friendly7-min read
What Is an ARN (Acquirer Reference Number)? How to Find and Track One
An ARN (acquirer reference number) is the code — typically 23 characters — that traces a card payment between banks. Learn where to find it, how to track a refund with it, and which networks use it.
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Acquiring DecisionsBeginner friendly6-min read
What Is Payment Acceptance? How It Works and How to Improve Acceptance Rates
Payment acceptance covers both taking payments and getting them approved. The methods you offer decide who can pay you; your acceptance rate decides how much of that intent becomes revenue.
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Payment OrchestrationBeginner friendly10-min read
Payment Gateway Hong Kong: Compare Cards, FPS, AlipayHK, PayMe & Settlement
Compare Hong Kong payment gateway options by customer market, payment method mix, acquiring route, settlement, refunds, integration effort, and provider fit before choosing a provider.
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Fraud & RiskBeginner friendly8-min read
What Is AVS (Address Verification Service)?
The card-payment fraud check that matches a shopper's billing address against the issuer's records — what the response codes mean, why legitimate cards fail, and when to reach for 3DS2 instead of a hard decline.
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Payment OrchestrationIntermediate16-min read
What Is Payment Orchestration? How It Works and How to Evaluate It
A practical guide to payment orchestration for payment leads, PSP evaluators, and engineers. It explains how routing, processing, reconciliation, local methods, APIs, and provider-dependent retry capabilities fit together—and when the added layer is worth the operational cost.
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Acquiring DecisionsBeginner friendly11-min read
Recurring Payment Processing: How It Works (and How to Keep Global Subscriptions From Failing)
Learn how recurring payment processing works, why global subscription renewals fail, and how tokenization, smart retries, local acquiring, and local payment methods can improve payment recovery.
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Local Payment MethodsBeginner friendly8-min read
Alternative Payment Methods: A Guide for Global Businesses
A practical guide for global merchants evaluating alternative payment methods: what APMs are, how they differ from card payments, how Pay by Bank / A2A fits into the category, and how to choose methods by market, customer fit, operations, risk, settlement, refunds, and implementation effort.
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Payment RolesBeginner friendly9-min read
Merchant Acquiring Explained: Acquirer vs Processor vs Acquiring Bank vs PayFac
Merchant acquiring is the service that lets a business accept card payments. This guide untangles the terms that get used interchangeably — acquirer, payment processor, acquiring bank and payment facilitator (PayFac) — including what they mean if you sell across borders.
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Payment RolesBeginner friendly12-min read
What Is a Payment Facilitator (PayFac)? A Complete Guide
A payment facilitator lets a platform onboard businesses as sub-merchants under a master merchant account. This guide explains how the PayFac model works, who owns risk and compliance, and when another payment model may fit better.
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Acquiring DecisionsIntermediate17-min read
Local Acquiring vs Cross-border Acquiring: Key Differences and When to Use Each
Compare local acquiring vs cross-border acquiring: fees, settlement, compliance, and payment flow. A decision guide for global merchants.
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Roadmap

Topics this library will cover

With one live guide today, the hub stays clear of empty links. These topics describe the learning map we're building.

Payment Roles
Acquiring Decisions
Local Payment Methods
Payment Orchestration
Developer integration
Payouts & settlement
Fraud & Risk
Cross-Border Payments
Subscription & Recurring

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