ToolCenter Blog

How to Generate Barcodes via API: A Complete Developer's Guide

Learn how to generate EAN-13, Code 128, QR, PDF417, and other barcode formats programmatically using a barcode API. Includes examples for e-commerce, shipping labels, event ticketing, and inventory management.

How to Resize Images Programmatically via API (Without Installing Anything)

Stop wrestling with ImageMagick and Sharp. Learn how to resize, crop, and optimize images at scale using a simple API call — cover, contain, WebP, AVIF, and more.

How to Add Web Search to Your App Without Scraping Google

A practical guide to adding multi-engine web search to your application using ToolCenter's Web Search API — no scraping, no expensive API credits, clean JSON results.

How to Search the Web from Your Code: Introducing the ToolCenter Web Search API

We shipped a Web Search API that aggregates results from Google, Bing, DuckDuckGo, and Brave in a single API call. Multi-engine results, clean JSON, no per-query costs.

Integration-First APIs: How to Build Reliable Automations with Zapier, Make, and n8n

Learn how to design integration-first APIs that work reliably with Zapier, Make, n8n, and custom workflows.

Website Diff API: Track Visual Changes Automatically

Learn how to automatically track competitor pricing changes and automate visual regression testing with a Website Diff API.

Page Speed API: How to Monitor Core Web Vitals Automatically

Core Web Vitals are critical for SEO and user experience. In this guide, learn how to use a Page Speed API to automate performance monitoring and track your website's speed metrics programmatically.

How to Detect and Fix Broken Links at Scale: A Developer's Guide

Learn how to detect broken links programmatically using an API. Complete guide with Node.js, Python, and PHP examples, plus CI/CD integration and automated monitoring.

Email Validation API: Stop Bounce Rates Before They Kill Your Deliverability

High bounce rates destroy email deliverability. Learn how to validate emails programmatically before sending, using an Email Validation API.

IP Geolocation API: Detect Location, Currency, and Timezone in One Request

How to Convert HTML to Image with an API (PNG & JPEG)

Learn how to convert any HTML template, email, or code snippet into a PNG or JPEG image using a simple REST API. No headless browser setup required.

How to Generate Secure Passwords Programmatically via API

Learn how to generate cryptographically secure passwords at scale using a Password Generator API. Covers entropy, character sets, memorable passwords, and strength analysis.