Tips, tutorials and best practices for testing and QA โ covering test data generation, fake data tools, payment testing, hosting, AI tooling and more.
A practical comparison of the most useful fake data and_address generators for developers in 2026 โ covering Faker, Mockaroo, our US Address Generator, and more โ with concrete examples for tests, fixtures and demos.
Compare Faker, Mockaroo and our US Address Generator side by side, with concrete examples for tests, fixtures and demos.
A step-by-step QA tutorial on using generated addresses and phone numbers to test signup and checkout forms across browsers.
How US ZIP codes work, state prefixes, the ZIP+4 extension, plus validation snippets in JavaScript, Python and regex.
A clear comparison of US Employer Identification Numbers and Social Security Numbers โ structure, validation and when to use each in testing.
From Cursor to Copilot and Claude โ the AI coding tools that meaningfully speed up shipping, with honest pros and cons.
Stripe, PayPal and Braintree test cards explained โ plus how to safely test checkout flows using fake billing data.
A practical walkthrough for spinning up a mock data API for front-end development and integration testing using our JSON API.
A developer-focused VPN comparison for safely calling geographically restricted APIs and protecting your traffic.
Hostinger, Vercel and Cloudflare Pages compared โ pricing, free tiers, build performance and which to pick for side projects.
A comprehensive guide to using our random US address generator โ state filtering, bulk export, the REST API, and integration tips.