Payment Gateway & White-Label PSP SaaS

Global Payment Processing & Multi-Provider Infrastructure

Accept payments globally with simple, scalable, and secure API infrastructure. Zero-code HTTP bridge integration, multi-provider payment routing, and turnkey white-label deployment.

99.99%
Platform SLA Uptime
< 180ms
Average Gateway Latency
10+ Providers
Connected Gateways & APMs
Zero-Code
HTTP Bridge Integration
Global Payment Rail Support & Connected Providers

Engineered for High-Scale Global Processing

Inspect our real-time Backoffice telemetry, zero-code HTTP Bridge architecture, and developer-first REST API.

PAYMENT BOOK Engine — Production Gateway & Backoffice
Backoffice Analytics - Light Theme Backoffice Analytics - Dark Theme
Real-Time Service Insights & Statistics
Multi-Currency Balance Telemetry & History
Provider MIDs, Fees & Routing Control
STEP 1
Zero-Code HTTP Bridge
Migrate from legacy gateways without rewriting code. The bridge proxies external API structures directly to our core gateway.
STEP 2
WooCommerce Integration
Native WordPress and WooCommerce plugin support with automatic callback handling and instant checkout redirection.
STEP 3
Open Banking & SEPA Rail
Direct bank-to-bank account payments via Open Banking alongside traditional credit card and e-wallet processing.
STEP 4
Provider Routing & Failover
Dynamically route transactions across 10+ connected providers based on country, currency, payment method, or availability.
Open Banking & Multi-Provider Connectivity
Accept card payments, Open Banking (instant SEPA), and alternative payment methods across 10+ connected providers with zero code migration.
curl -X POST http://127.0.0.1:8000/api/transaction/purchase/create \
  -H "Content-Type: application/json" \
  -H "X-API-TOKEN: your_merchant_api_token" \
  -d '{
    "meta": {
      "reference_id": "ORD-2026-8812",
      "service_id": 101
    },
    "payment": {
      "amount": "149.99",
      "currency": "EUR"
    },
    "user": {
      "email": "customer@example.com",
      "phone": "+37300000000",
      "first_name": "Alexander",
      "last_name": "Vane"
    },
    "redirect": {
      "success": "https://merchant.com/done",
      "failed": "https://merchant.com/failed",
      "return": "https://merchant.com/cart"
    },
    "order": [
      {
        "textual": "Payment for Order #ORD-2026-8812"
      }
    ]
  }'

End-to-End Infrastructure for Modern Payments

From zero-code migration via HTTP Bridge to multi-provider payment routing, our platform equips your business with bank-grade financial technology.

Multi-Provider Payment Gateway

Connect multiple payment providers through a single unified API. Distribute transactions across providers by country, currency, or payment method with built-in provider failover.

  • 10+ Connected Providers & Gateways
  • Dynamic Routing by Currency & Region
  • Built-In Provider Failover Support

Zero-Code HTTP Bridge

Seamlessly migrate from existing payment systems with minimal or zero code changes. The bridge proxies external API protocols into our gateway, requiring only a change in payment URL.

  • Instant Payment URL Migration
  • Automated Payload Translation & Proxies
  • Bi-directional Webhook Transformation

WooCommerce & E-Commerce Integration

Pre-built integration plugin for WooCommerce and major e-commerce platforms. Quick setup with secure webhook callbacks and smooth checkout redirection for merchant stores.

  • Native WordPress / WooCommerce Plugin
  • Real-Time Order Status Webhooks
  • Instant Merchant Store Onboarding

Open Banking & Alternative Payments

Expand beyond traditional cards with direct account-to-account SEPA Instant transfers, e-wallets (Apple Pay, Google Pay, PayPal), and localized APMs.

  • Direct Bank-to-Bank SEPA Rails
  • Apple Pay, Google Pay & E-Wallets
  • Multi-Currency Settlement Support

Turnkey White-Label PSP Platform

Launch your own branded Payment Service Provider. Choose between cloud-hosted SaaS on our VPS or self-hosted deployment on your infrastructure with full data control.

  • Branded Backoffice & Payment Pages
  • Cloud-Hosted or Self-Hosted VPS
  • Merchant Management & Sub-Accounts

Real-Time Settlement & Telemetry

Granular transaction logs, automated reconciliation, multi-currency wallet balances, and IN/OUT flow history in an intuitive, unified backoffice.

  • Live Transaction History & Status
  • Real-Time Balance Telemetry
  • Comprehensive Webhook Audit Logs

Transparent, Competitive Pricing

Choose full-service payment processing, bring your own acquiring accounts, or request a custom quotation tailored to your volume.

Bring Your Own

Your Payment Providers (MIDs)

Connect your existing merchant acquiring accounts and pre-integrated gateways.

0.23% + €0.10 / transaction
  • Bring your own merchant accounts (MIDs)
  • €0 Cost Onboarding
  • 10+ Pre-built gateway integrations
  • Advanced transaction routing & failover
  • Zero-code HTTP bridge integration
  • Complete backoffice telemetry & reporting
Custom Quotation

High-Volume & Enterprise

Tailored rates for high-traffic merchants. Can be reduced based on monthly turnover.

Based on turnover
  • Negotiated lower tariffs for high monthly traffic
  • Volume-tier discounts as monthly turnover scales
  • Dedicated acquiring MIDs & multi-currency settlement
  • Flexible interchange++ or bespoke flat-rate pricing
  • Custom risk scoring rules & intelligent routing
  • Dedicated account manager & priority 24/7 SLA

Calculate Your Processing Costs

Transparent fee estimator based on real rates. Switch between using our payment provider accounts or bringing your own MIDs.

Monthly Processing Volume
€
Average Ticket Size (Transaction Value)
€
Selected Rate: 2.2% + €0.43 / txn
Monthly Transactions: 2,000 txns
Estimated Monthly Fee: €3,060 / mo
Effective Percentage Rate: 3.06%
Estimated Annual Total: €36,720 / yr
Bring your own MIDs and save ~€2,630/month in fees!

Choose the Right Solution for Your Business

Whether you need a high-converting merchant gateway, a scalable SaaS platform, or your own turnkey White-Label PSP operation, our software adapts to your goals.

Plan & Capabilities
Cloud Hosted
€2 999/mo
Self-Hosted
€999/mo
Affiliate
€40/mo
Infrastructure Our VPS Your VPS Our VPS
Data Control Cloud-hosted Full control Cloud-hosted
Initial Setup € 999 one-time € 40 one-time
Your Domain & Branding
Landing Page Blank
Gateway API
API Documentation
Payment Page
Backoffice Limited Access
HTTP-Bridge
Regular Updates & Security Fixes
New Features & Integrations By request
Continuous Support
99.99% Uptime Guarantee
Backups Managed by you
Core Code Access Proprietary Encrypted Proprietary

Certified Security You and Your Customers Can Trust

Our cloud infrastructure meets the strictest global standards for payment security, data privacy, and operational resiliency.

99.99% SLA High Uptime

Redundant multi-server cloud deployment with active health monitoring, automated failover, and zero single points of failure.

High Security as Top Priority

Bank-grade tokenization, strict tenant data isolation, and end-to-end TLS 1.3 encryption across all gateway and bridge endpoints.

Modern Microservice Tech Stack

Containerized microservice architecture, ultra-fast asynchronous queue workers, and Redis state caching for minimal transaction latency.

HMAC Cryptographic Verification

Every private API transaction and webhook payload is cryptographically signed and verified using HMAC SHA-256 with immutable audit logs.

Frequently Asked Questions

Everything you need to know about Payment Book's gateway capabilities, white-label options, and integration workflow.

How can I request a new gateway integration?

Gateway
Contact us via support email or phone with the provider name, website, and documentation. Our team will review the requirements, clarify key points if needed, and provide an estimated integration timeline, usually within 7 business days depending on the current request queue.

What payment methods are supported?

Gateway
The platform supports multiple payment methods depending on the connected providers, including bank cards, open banking, Apple Pay, Google Pay, PayPal, alternative payment methods, and local payment options.

Can I connect multiple payment providers?

Gateway
Yes, you can connect multiple providers and manage them through a single interface, allowing routing and failover between providers.

How does transaction routing work?

Gateway
Transactions can be routed dynamically based on predefined rules such as country, currency, payment method, or provider performance.

Do you support recurring payments?

Gateway
Yes, recurring payments are supported depending on the capabilities of the connected payment provider.

What currencies are supported?

Gateway
Multiple currencies are supported depending on the payment providers you integrate.

How can I add my own MID (Merchant ID) from a payment provider?

Gateway
Currently, adding your own MID is available via request through our support email. Soon, you will be able to configure and manage your payment provider MIDs independently for each service directly within the platform.