Client Documentation

You are reading this as a Client — a PSP, bank, fintech, or platform that has licensed 4pay.online to power your payment infrastructure. This section covers platform administration, configuration, and the full provider catalog.

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What you get

Capability	Description
275+ provider integrations	Pre-built adapters for card processors, bank transfers, wallets, crypto, BNPL, mobile money, and risk tools
Smart routing	Automatic provider selection based on rules: cost, geography, currency, card type
Multi-currency	150+ fiat currencies + major crypto assets with real-time FX conversion
Multi-tenancy	Full organizational isolation — manage multiple partner organizations independently
Admin Console	Web UI for managing partners, terminals, transactions, balances, and reports
Partner Area	Self-service portal for your merchants to access their dashboards and API keys
Crypto scenarios	Pay-in and pay-out via USDT, ETH, TRX, BTC through dedicated blockchain nodes
Anti-fraud	Gen2 rules engine with limits, velocity checks, and external risk tool integrations
Compliance	Multi-region KYC/AML, PCI DSS compatible architecture, audit log

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Getting access

4pay.online is available as:

• SaaS (shared) — hosted multi-tenant deployment at 4pay.online
• On-premise — dedicated installation in your infrastructure or private cloud

To get access, contact us at support@4pay.online or book a demo.

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Quick Navigation

I want to…	Link
Set up the platform for the first time	Getting Started
Learn the Admin Console	Admin Console
Add my first merchant	Managing Partners
Configure a payment provider	Terminals & Routing
Browse all available providers	Provider Catalog

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Architecture overview

4pay.online Platform
│
├── Admin Console (web UI for you, the operator)
│   ├── Organizations / Partners management
│   ├── Terminals & provider configuration
│   ├── Transaction monitoring & reporting
│   └── Limits, routing rules, anti-fraud
│
├── Partner Area (web UI for your merchants)
│   ├── Transaction history & status
│   ├── API key management
│   └── Balance & settlement reports
│
├── REST API
│   ├── Partner API (x-api-key auth) — used by your merchants
│   └── Admin API (Bearer token) — used by your operations team
│
└── Provider Adapters (275+ integrations)
    ├── Card processors (Stripe, Adyen, Checkout.com, …)
    ├── Bank transfers (SEPA, ACH, local banks)
    ├── E-wallets (PayPal, Alipay, GrabPay, …)
    ├── Crypto (USDT/ETH/TRX via blockchain nodes)
    ├── BNPL (Klarna, Afterpay, Affirm, …)
    └── Risk tools (Sift, Riskified, Signifyd, …)