# Mollie & Payment Checkout Integration in 3 Days

> Frictionless Mollie and Stripe checkout integration with automatic PDF invoices and accounting sync in 3 to 5 days.

Source: [https://aergent.nl/en/payment-integration](https://aergent.nl/en/payment-integration)

Language: English

Mollie & Checkout Integration • Live in 3 to 5 Days

# Frictionless Payment & Checkout Engines. iDEAL, Apple Pay & Accounting Sync in 3 Days.

Stop losing sales to confusing, slow checkouts. We integrate ultra-fast Mollie, Stripe, and multi-payment gateways into your website, custom app, or portal — complete with automatic PDF invoicing and accounting sync.

View Packages & Methods

- Live Within 3 to 5 Business Days
- Direct iDEAL, Bancontact & Apple Pay
- Automatic PDF Invoices & Exact/Moneybird Sync
- 100% Secure & GDPR/PCI-DSS Compliant

3–5 Days

Fast Turnaround

+28%

Checkout Conversion

100% Auto

Invoices & Bookkeeping

0% Lock-in

Direct to Your Bank

01 / Payment Rail

Frictionless checkout for all major European & global payment methods.

Payment Methods

## All European & Global Payment Methods

Accept all favorite local and international payment methods with a single, frictionless checkout experience.

### iDEAL & Wero

Direct, zero-friction banking checkout used by 70%+ of Dutch consumers.

### Apple Pay & Google Pay

1-click biometric payments directly on iPhone, iPad, Android, and Mac.

### Bancontact & KBC

Essential market-leading payment methods for Belgian customers.

### Credit Cards & Amex

Visa, Mastercard, and American Express with 3D Secure fraud protection.

### SEPA Direct Debit & Invoicing

Automated recurring subscriptions, memberships, and B2B SEPA mandates.

### Klarna & In3

Flexible Buy-Now-Pay-Later payment solutions that lift average order value.

02 / Architecture

End-to-end automation vs brittle checkout plugins.

Direct Comparison

## Why Choose Aergent Over Generic Payment Plugins?

Generic plugins often fail webhooks, drop orders, and leave manual bookkeeping intact. We engineer end-to-end payment pipelines.

Aspect

Generic Plugins / Complex Gateway Setup

Aergent Checkout Engine

Turnaround Time

2 to 4 Weeks of API confusion

3 to 5 Business Days Turnkey

Automated Invoicing

Manual invoice creation in Excel

Instant Branded PDF Invoice generation

Accounting Sync

Manual copy-pasting to Exact/Moneybird

Automated Webhook Ledger Sync

Checkout UX Speed

Multi-step redirects with drop-offs

Instant 1-Click Embedded Checkout

Custom Business Logic

Rigid standard checkout rules only

Custom pricing, deposits & B2B flows

Platform Compatibility

Breaks custom apps and bespoke sites

WordPress, Shopify & 100% Custom Code

03 / Fixed Pricing

Direct checkout integration into your bank account.

Packages

## Transparent Fixed Payment Packages

Choose the checkout architecture that matches your business model.

WordPress / WooCommerce / Shopify 3 Days Delivery

### Standard Checkout Sprint

Ideal for websites and shops needing a reliable, branded payment checkout with iDEAL and cards.

€590

one-time fixed (ex. btw)

Mollie / Stripe Gateway Setup & Verification

iDEAL, Bancontact, Apple Pay & Credit Cards

Automated PDF Invoice Email to Customer

Custom Branded Thank You / Confirmation Page

Webhook Failure Alerts & Anti-Fraud Config

Staging Test & Live Transaction Verification

30 Days Dedicated Support

★ MOST POPULAR

Custom Web Apps / Subscriptions / Portals 5 Days Delivery

### Advanced B2B & Accounting Engine

Complete payment architecture for SaaS platforms, B2B portals, recurring memberships, and custom apps.

€950

one-time fixed (ex. btw)

Full Mollie / Stripe Custom API Integration

SEPA Recurring Subscriptions & Automatic Renewals

Direct Sync with Moneybird, Exact Online or AFAS

Dynamic Price Calculation & Custom Deposits

Multi-Currency & VAT/BTW Reverse-Charge Logic

Customer Invoices Self-Service Portal Access

60 Days Dedicated Nazorg & Guarantee

04 / Protocol

Fast 3 to 5 day integration from setup to first live payment.

Roadmap

## Our 3 to 5 Day Delivery Sprint

Fast, secure, and tested with sandbox and live payments before deployment.

01

Day 1

#### Gateway Connection & Architecture

We configure your Mollie/Stripe account, calibrate webhooks, and map your product/service pricing logic.

02

Day 2–3

#### Custom Checkout & Invoicing Build

Our engineers build the checkout UI, integrate automatic PDF generation, and connect your accounting software.

03

Day 4–5

#### Live Sandbox Testing & Rollout

We execute test transactions across all payment methods, verify webhook delivery, and deploy live.

05 / Security

PCI-DSS, 3D Secure 2.0 & automated bookkeeping synchronization.

Standards

## Why Our Payment Engines Convert Higher

Engineered for frictionless payment completion and zero administrative overhead.

### PCI-DSS & GDPR Safe

Customer card data never touches your server directly, keeping compliance simple and secure.

### Instant Mobile Apple Pay

Mobile customers complete purchases in 2 seconds using Face ID or Touch ID without typing card numbers.

### Automated VAT Invoices

Compliant Dutch/European VAT invoices automatically sent to the buyer with sequential numbering.

### Seamless Accounting Sync

Transactions automatically post to Exact Online, Moneybird, or SnelStart without manual work.

### Zero Vendor Lock-in

All transaction funds flow directly from Mollie/Stripe to your own business bank account.

### API & Custom Logic Ready

Supports custom quote deposits, milestone payments, and multi-tier subscription models.

FAQ

## Frequently Asked Questions

3 to 5 Day Delivery

## Ready to accept frictionless payments in 3 to 5 days?

Get a custom, automated checkout engine live this week. Fixed quote with zero hidden costs.