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Payments

Payment Tools Used by Websites — How to Detect Them

Payment infrastructure is a core part of any commercial website's stack. Whether a site uses Stripe reveals their checkout sophistication, developer investment, and compliance approach.

This guide covers the payment platforms detected by TrueTechFinder, how each works, and how to identify which payment processor any website is using.

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✔ Payment platforms covered✔ API · Hosted · Subscriptions · Marketplaces✔ Free detection — no signup

Definition

A payment platform is infrastructure that enables businesses to securely accept and process online payments. Modern payment platforms like Stripe provide APIs for custom checkout experiences, subscription billing, marketplaces, and global payment methods — far beyond simple payment gateways.

What Are Payment Platforms?

Payment platforms handle the complex, regulated world of money movement — card processing, fraud detection, currency conversion, and compliance — so that businesses can focus on their products.

  • ✔Handle billions of transactions daily across global markets
  • ✔Must comply with PCI DSS, PSD2, and local financial regulations
  • ✔Range from simple hosted payment buttons to full-stack financial infrastructure
  • ✔Load identifiable JavaScript (e.g. js.stripe.com) that is detectable in page source
  • ✔Reveal a company's checkout sophistication and developer investment
  • ✔Are critical signals in ecommerce and SaaS competitive research

Does This Website Use Stripe?

TrueTechFinder detects payment providers embedded in any website in seconds.

Stripe →
  • ✔ Identify the payment processor behind any competitor or prospect site
  • ✔ Understand checkout sophistication and billing model
  • ✔ No signup or API key required
Detect Any Site's Payment Stack Free →

Payment Platforms Detected

TrueTechFinder detects these payment platforms across millions of websites.

Stripe

Payment Platform

The world's most developer-friendly payment infrastructure. Stripe powers online payments, subscriptions, invoicing, and financial products for businesses of every size.

Best for: SaaS, ecommerce, marketplaces, subscription businesses, developer teams

View full profile →

How to Detect a Website's Payment Provider

Method 1TrueTechFinder (Recommended)

Enter any URL for an instant payment provider detection report.

Stripe
js.stripe.com/v3/
Stripe Checkout
checkout.stripe.com
Method 2Inspect page source for payment scripts

Right-click → View Page Source (Ctrl+U). Search for:

  • Stripe: js.stripe.com, Stripe( in inline scripts
  • PayPal: paypal.com/sdk/js
  • Square: web.squarecdn.com
Method 3Monitor network requests at checkout

Open DevTools → Network tab. Navigate to checkout and look for requests to payment provider domains:

  • Stripe: requests to api.stripe.com, m.stripe.com
  • PayPal: requests to paypal.com, paypalobjects.com

Why Payment Stack Detection Matters

🔍

Competitive Intelligence

Payment choice signals checkout sophistication — Stripe API integration vs. PayPal button tells very different stories.

💼

Sales Prospecting

Payment platform vendors use stack detection to find prospects on older or simpler payment systems ready for migration.

🛡️

Security & Compliance

PCI DSS compliance varies by integration method. Detecting the payment provider helps assess a site's compliance posture.

📈

Market Research

Understand which payment platforms dominate specific industries, regions, or company sizes.

Types of Payment Platforms

💳

API-Based Payments

Developer-first payment APIs that integrate directly into your checkout flow, giving full control over the payment experience.

Examples: Stripe, Braintree, Adyen, Mollie

🛒

Hosted Checkout

Payment pages hosted by the provider — customers are redirected to pay, then returned to your site. Minimal integration effort.

Examples: Stripe Checkout, PayPal, Square Online Checkout, GoCardless

🔄

Subscription Billing

Platforms optimised for recurring billing — managing trials, upgrades, downgrades, dunning, and revenue recognition.

Examples: Stripe Billing, Chargebee, Recurly, Paddle

🏪

Marketplace Payments

Payment infrastructure for platforms that need to split payments between multiple sellers or service providers.

Examples: Stripe Connect, Adyen for Platforms, Mangopay, PayPal Marketplace

Ready to detect any website's payment stack?

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Explore Payment Platform Profiles

Stripe

Payment Platform

Frequently Asked Questions

What is a payment gateway and how does it work?
A payment gateway is the technology that securely captures, encrypts, and transmits payment information between a customer, a merchant, and the financial institutions involved. When a customer pays on a website, the gateway verifies the card details, communicates with the card network and issuing bank, and returns an approval or decline — all in under a second.
How can I detect if a website uses Stripe?
TrueTechFinder detects Stripe by scanning for Stripe's JavaScript library (js.stripe.com/v3/) and associated network requests. You can also check manually — Stripe-powered checkouts load js.stripe.com scripts and send requests to api.stripe.com. Enter any URL at TrueTechFinder for a full payment stack detection report.
Does Stripe charge a monthly fee?
Stripe does not charge a monthly subscription fee. It operates on a pay-per-transaction model — typically 1.4% + 20p for European cards and 2.9% + 30¢ for US cards (rates vary by country). Enterprise pricing is available for high-volume businesses. Additional fees apply for features like Stripe Billing, Radar fraud tools, or Stripe Connect.
Is Stripe secure?
Yes. Stripe is PCI DSS Level 1 compliant — the highest level of payment security certification. All payment data is encrypted in transit and at rest. Stripe handles the most sensitive parts of payment processing in its own secure environment, meaning merchants never need to store raw card data on their servers. Stripe also provides Radar, its machine learning fraud detection system.
What are the best alternatives to Stripe?
The main alternatives to Stripe are PayPal (widely recognised by consumers, simpler to integrate), Braintree (PayPal-owned, developer-friendly, similar to Stripe), Adyen (enterprise-focused, strong for global markets), Square (strong for in-person + online), and Paddle (popular with SaaS companies for handling VAT and global tax compliance).
Why do I want to know which payment provider a website uses?
Knowing a site's payment provider reveals technical sophistication, compliance posture, and sometimes geographic strategy. A Stripe integration signals developer-built checkout with full API control. PayPal-only sites often have simpler setups. For competitive analysis, payment stack detection helps understand how rivals handle checkout UX, subscriptions, and international payments.

Detect Any Website's Payment Stack Instantly

Enter any URL to reveal the payment provider, checkout method, and full technology stack. Free and instant.

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