Namso Gen: What It Is and How It Works – The Credit Card Generator for Testing
By David S
Published Nov 09, 2025
Namso Gen is an online credit card number generator used for testing payment systems. This article covers its purpose, evolution, how it works, key features, legal issues, and tips for safe, effective use.
Best Credit Card Generators for Testing in 2026: Compared
By David S
Comparing the top credit card generators for developers and QA teams. Features, output quality, BIN support, and which one actually produces usable test data.
BIN Checker Guide - How to Look Up Card Issuer Information
By David S
A comprehensive guide to using BIN checker tools to identify card issuers, verify card types, detect fraud, and understand payment card data from the first 6-8 digits.
Credit Card Generator for Testing: Complete Developer Guide (2026)
By David S
Learn how to use a credit card generator for software testing. Complete guide to generating Luhn-valid test card numbers, integration patterns, and best practices for payment development.
Credit Card Number Format - Anatomy of a Card Number
By David S
A comprehensive breakdown of credit card number structure, explaining what each digit means, how card numbers are formatted, and why they follow specific patterns.
Luhn Algorithm Explained: How Credit Card Validation Works
By David S
Learn how the Luhn algorithm validates credit card numbers step by step. Understand the mod 10 checksum formula, its history, code implementations, and why it remains the global standard for card validation.
Is It Safe to Use a Credit Card Generator? Legal and Ethical Guide 2025
By David S
A practical 2025 guide on the safety, legality, and ethical use of credit card generators for testing and development.
Test Credit Card Numbers for Every Payment Gateway (2026)
By David S
Complete list of test credit card numbers for Stripe, PayPal, Braintree, Square, Adyen, and more. Includes test cards by response type, network, and use case for payment testing.
How to Generate Test Credit Card Numbers for Development
By David S
A comprehensive guide to generating and using test credit card numbers for payment system development, QA testing, and sandbox environments.
How to Test Payment Gateways Safely - Complete Developer Guide 2025
By David S
Learn professional methods to test payment gateways like Stripe, PayPal, and Square without risking real transactions. Essential guide for developers.
Visa Test Card Numbers: Generate & Validate Visa Cards for Testing
By David S
Complete list of Visa test card numbers for Stripe, PayPal, Braintree, Adyen, and more. Learn Visa card structure, BIN ranges by issuer, and how to generate custom Visa test cards.
What Is a BIN (Bank Identification Number)? The Complete Guide
By David S
Learn what a BIN (Bank Identification Number) is, how BIN ranges work, and how to look up any BIN. Complete guide to BIN structure, IIN transition, and fraud prevention.
What is a BIN Number? Complete Guide to Bank Identification Numbers
By David S
A comprehensive guide to understanding BIN numbers, how they work, what information they reveal, and why they're essential for payment processing.