▶ Videos →

📰 Dev.to · Ing. Pablo Cueto

5 articles · Updated every 3 hours · View all reads

All Articles 117,023 Blog Posts 125,083 Tech Tutorials 29,919 Research Papers 23,513 News 17,251 ⚡ AI Lessons

I built and deployed an IP Geolocation API from scratch in one day — here's the full stack

Dev.to · Ing. Pablo Cueto 1mo ago

I built and deployed an IP Geolocation API from scratch in one day — here's the full stack

No third-party black boxes. No vendor lock-in. Just clean Python code, two free data sources, and a...

I Built a Phone Validation API — Live on RapidAPI published: true tags: python, fastapi, api, productivity

Dev.to · Ing. Pablo Cueto ⚡ AI Lesson 1mo ago

I Built a Phone Validation API — Live on RapidAPI published: true tags: python, fastapi, api, productivity

Validating phone numbers sounds simple until you realize regex won't tell you if a number is mobile,...

How I Built a 4-Layer Email Validator API with FastAPI and Published it on RapidAPI

Dev.to · Ing. Pablo Cueto 1mo ago

How I Built a 4-Layer Email Validator API with FastAPI and Published it on RapidAPI

I just launched Email Validator API on RapidAPI — a professional email verification service built...

I Built a Password Strength Analyzer API with Python + FastAPI

Dev.to · Ing. Pablo Cueto 🔧 Backend Engineering ⚡ AI Lesson 1mo ago

I Built a Password Strength Analyzer API with Python + FastAPI

I Built a Password Strength Analyzer API with Python + FastAPI 🔐 As a backend developer, I...

How I built a PDF Generator API with FastAPI and ReportLab

Dev.to · Ing. Pablo Cueto 1mo ago

How I built a PDF Generator API with FastAPI and ReportLab

The problem Almost every SaaS app needs to generate PDFs at some point — invoices,...