Notifications about fluctuations in the stock market are crucial for users who closely track stock prices for their portfolios. In this article we’ll show you how to build a web app that uses real-time daily stock market data from the Marketstack API to send an end-of-day email wrap-up to users about stock prices they’ve chosen to hear about. You Will LearnHow to get real-time stock data…
Phone Validation & Carrier Lookup: Why Your Business Needs Numverify API
September 18, 2025
Most modern apps from SaaS to e-commerce collect phone numbers alongside emails during user signup, but unless those numbers are validated with a reliable Phone Validation API, they’re not just useless they can become a serious security risk for your application. In this…
Let’s face it, manually extracting data from websites is a total pain. Maybe you need to monitor competitor prices, gather leads, aggregate content, or analyze market trends. Whatever your use case, spending hours copying and pasting data from websites is not just…
In a recent tutorial, we showed you how to build an IP-based threat detection system using IPStack’s security module (You can watch the step-by-step youtube video here). We expand that setup by adding Email Alerts for Malicious IPs so you receive instant notifications when risky activity occurs. In this article, we’ll build on that lesson by incorporating real-time alerts that let you know…
Building a news app that collates a curated list of top headlines based on a user’s personalized requirements is easier than it sounds! Using a news media API integration and React, you can quickly put together a personalized news application that fetches live news…
How to Build a Real-Time Weather Dashboard Using the Weatherstack API (Step-by-Step)
September 6, 2025
Let’s face it, weather impacts pretty much everything we do. From planning our day to deciding what to wear, weather information is critical for making informed decisions. For web developers, integrating real-time weather data can transform ordinary applications into…
Build an IP Blacklist Check Application Using IPstack API
August 29, 2025
Determining whether or not a server’s IP address is blacklisted is a crucial step in securing your web app. Blacklist checks are important for protecting your front end web forms from spam and bad actors who might try to use techniques like SQL injection, cross-site scripting (XSS), formjacking, and phishing to steal sensitive data, gain access to systems, inject malicious content, or launch…
Build Location-Aware AI Chatbots with IPstack
August 29, 2025
Hey developers! You’re building an AI app that wins over users because it pinpoints their location and delivers responses that hit just right, feeling truly personal. As a developer diving into AI chatbots and assistants, you face the hurdle of making conversations…
The best financial market API for most developers in 2026 is Marketstack – real-time and historical stock data from 70+ global exchanges, with a free tier and paid plans from $9.99/month. For forex and currency conversion, choose Fixer.io or CurrencyLayer (both from…
Build a Real-Time Currency Converter with Fixer API
August 29, 2025
Let’s face it, limiting your e-commerce site to a single currency is like putting up a “Some Customers Not Welcome” sign. Maybe you need to display prices in the shopper’s local currency, handle international transactions seamlessly, or let users compare prices across different regions. Whatever your use case, adding a real-time currency converter will significantly…