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Hanzala Saleem
Software Engineer & Technical Writer

Hanzala Saleem

Hanzala is a software engineer and technical writer. He works on Verid’s product and its documentation, and writes about web monitoring, API design, and the tooling developers use to track changes across the web.

Posts by Hanzala Saleem

38 posts
Free Website Change Monitors Compared (No Card Required)
change detection9 min read

Free Website Change Monitors Compared (No Card Required)

Compare free website change monitors that need no credit card. Real limits, check frequency, and which tool actually fits your use case.

HANZALA SALEEMAugust 30, 2026
Visual Regression Testing vs Visual Monitoring: Which Do You Need?
visual monitoring7 min read

Visual Regression Testing vs Visual Monitoring: Which Do You Need?

Visual regression testing catches bugs before release. Visual monitoring catches changes after deployment. Learn the difference and which one you need.

HANZALA SALEEMAugust 24, 2026
Apify Alternative for Scheduled Website Monitoring
comparison9 min read

Apify Alternative for Scheduled Website Monitoring

Compare Apify Actors to a dedicated change monitoring API. See when building an Actor makes sense, and when webhooks on a rule get you there faster.

HANZALA SALEEMAugust 17, 2026 · Updated August 17, 2026
Firecrawl vs Verid: A Scraping API and a Monitoring Loop Are Not the Same Thing
comparison9 min read

Firecrawl vs Verid: A Scraping API and a Monitoring Loop Are Not the Same Thing

Firecrawl scrapes and now checks pages on a schedule. Verid is built only for monitoring. Here's the real architectural difference.

HANZALA SALEEMAugust 11, 2026
API Contract Monitoring: How to Catch Breaking Changes Before They Hit Production
monitoring10 min read

API Contract Monitoring: How to Catch Breaking Changes Before They Hit Production

Learn how API contract monitoring catches breaking changes before production. Schema drift, field-level diff, and continuous JSON API monitoring explained.

HANZALA SALEEMAugust 10, 2026
How to Set Up a Dead Letter Queue for Failed Webhook Deliveries
webhooks9 min read

How to Set Up a Dead Letter Queue for Failed Webhook Deliveries

Learn how dead letter queues catch failed webhook deliveries: retry design, backoff, replay, and monitoring, with real config examples.

HANZALA SALEEMAugust 6, 2026
Monitor AWS, Stripe, and GitHub Status Pages and Route Incidents to Slack Automatically
uptime monitoring7 min read

Monitor AWS, Stripe, and GitHub Status Pages and Route Incidents to Slack Automatically

Stop checking status pages by hand. Route AWS, Stripe, and GitHub incidents straight to Slack with field-level monitors that only fire when it matters.

HANZALA SALEEMAugust 3, 2026
How to Get Automatic Back-in-Stock Alerts for Any Product Page
stock alerts8 min read

How to Get Automatic Back-in-Stock Alerts for Any Product Page

Stop refreshing product pages. Build automatic back-in-stock alerts with webhooks, Slack, or email using a monitoring API. Free plan, no credit card.

HANZALA SALEEMAugust 1, 2026
How to Automate Regulatory Compliance Monitoring for Legal Teams
Compliance & Regulatory8 min read

How to Automate Regulatory Compliance Monitoring for Legal Teams

Learn how legal teams automate regulatory compliance monitoring with page-level tracking, structured alerts, and signed webhooks, plus a working setup.

HANZALA SALEEMJuly 30, 2026
How to Build an Amazon Price Tracker Without an Amazon API Key
price tracking10 min read

How to Build an Amazon Price Tracker Without an Amazon API Key

Track Amazon prices without Amazon's API. Verid extracts price and stock, then fires a webhook the moment your threshold hits.

HANZALA SALEEMJuly 28, 2026
How to Send Website Change Alerts to n8n, Zapier, and Make
alerts9 min read

How to Send Website Change Alerts to n8n, Zapier, and Make

Learn how to send website change alerts into n8n, Zapier, or Make using Verid's webhook API, with real config, code, and setup steps.

HANZALA SALEEMJuly 21, 2026
How to Use AI Extraction to Monitor Pages That Break CSS Selectors
how-to10 min read

How to Use AI Extraction to Monitor Pages That Break CSS Selectors

Selectors break when sites redesign. See how AI extraction keeps monitors alive, with real Verid configs, code, and a selector vs LLM comparison.

HANZALA SALEEMJuly 21, 2026
Automated Web Monitoring for Research Teams: Journals, Grants, and Policy Pages
Research & Niche10 min read

Automated Web Monitoring for Research Teams: Journals, Grants, and Policy Pages

Set up automated monitoring for academic journals, NSF/NIH grants, and government policy pages. Developer guide with real Verid API examples.

HANZALA SALEEMJuly 20, 2026
Website Monitoring vs Uptime Monitoring: What's the Difference?
website monitoring9 min read

Website Monitoring vs Uptime Monitoring: What's the Difference?

Uptime monitoring checks if a site is up. Website monitoring checks what it says. Learn the difference and when you need both.

HANZALA SALEEMJuly 18, 2026
Back-in-Stock Email Alerts Without Building a Custom System
alerts9 min read

Back-in-Stock Email Alerts Without Building a Custom System

Set up a back-in-stock email notification system in minutes - no custom code, no scrapers. Monitor any page and alert customers automatically with Verid.

HANZALA SALEEMJuly 16, 2026
Web Scraping Legality in 2026: What Every Developer Should Know Before Writing a Single Line
web scraping11 min read

Web Scraping Legality in 2026: What Every Developer Should Know Before Writing a Single Line

Is web scraping legal in 2026? Learn what the law actually says about public data, CFAA, GDPR, robots.txt, and how to build compliant data workflows.

HANZALA SALEEMJuly 14, 2026
How to Monitor GitHub Releases and Get Instant Slack or Discord Alerts
developer tools9 min read

How to Monitor GitHub Releases and Get Instant Slack or Discord Alerts

If you maintain or depend on open-source projects, you've almost certainly been burned by a release you missed. A breaking change ships in a framework you depend on, your CI starts failing on Monday morning, and you find out the fix landed three days ago. The problem isn't that the release happened quietly: it's that you had no reliable way to catch it. This guide covers how to monitor any GitHub repository for new releases and route a structured alert to Slack or Discord the moment a stable ve

HANZALA SALEEMJuly 12, 2026 · Updated July 12, 2026
Stop Monitoring Noise: How Predicate-Based Alerting Saves Your Sanity
monitoring9 min read

Stop Monitoring Noise: How Predicate-Based Alerting Saves Your Sanity

Learn how predicate-based alerting filters out monitoring noise so you only get notified when a real condition you care about is actually true.

HANZALA SALEEMJuly 11, 2026
The Hidden Cost of DIY Website Monitoring: A Build vs Buy Cost Analysis
Developer & DevOps10 min read

The Hidden Cost of DIY Website Monitoring: A Build vs Buy Cost Analysis

Compare DIY website monitoring with managed platforms. Learn the real costs of maintenance, scaling, alerts, and long term ownership.

HANZALA SALEEMJuly 10, 2026
Best Competitor Monitoring Tools for SaaS Companies in 2026
competitor monitoring10 min read

Best Competitor Monitoring Tools for SaaS Companies in 2026

Compare 9 competitor monitoring tools for SaaS teams in 2026, from five-figure CI suites to API-based pricing page monitors like Verid.

HANZALA SALEEMJuly 9, 2026
Website Change Alerts in Slack: A Developer's Setup Guide
notification7 min read

Website Change Alerts in Slack: A Developer's Setup Guide

Learn how to send structured Slack alerts when a specific website field changes. Step-by-step guide using the Verid API with real code examples.

HANZALA SALEEMJuly 7, 2026
What Is Web Change Detection? (And Why Monitoring Tools Get It Wrong)
change detection9 min read

What Is Web Change Detection? (And Why Monitoring Tools Get It Wrong)

Most monitoring tools just watch for byte changes. Learn what web change detection really is, why false positives happen, and how to fix it.

HANZALA SALEEMJuly 4, 2026
How to Monitor PyPI Packages for Security Updates and New Releases
how-to9 min read

How to Monitor PyPI Packages for Security Updates and New Releases

Learn how to monitor PyPI packages for CVEs, security advisories, and new releases using JSONPath, webhooks, and automated alerts with Verid.

HANZALA SALEEMJuly 4, 2026
How to Monitor a Website for Keyword Appearances (Regex Monitoring)
Keyword Tracking5 min read

How to Monitor a Website for Keyword Appearances (Regex Monitoring)

Learn how to monitor any webpage for keyword appearances using regex extraction and predicate-driven alerts. No false positives, no screenshot noise.

HANZALA SALEEMJune 25, 2026
Web Scraping vs Web Change Detection: What Developers Need to Know
change detection8 min read

Web Scraping vs Web Change Detection: What Developers Need to Know

Web scraping pulls data on demand. Web change detection watches for when specific values shift. Learn which solves your problem and when to use both.

HANZALA SALEEMJune 24, 2026
Competitive Intelligence Automation: 7 Developer Workflows You Can Ship Today
competitor intelligence10 min read

Competitive Intelligence Automation: 7 Developer Workflows You Can Ship Today

Stop checking competitor sites manually. Here are 7 real competitive intelligence workflows you can automate today using Verid's change detection API.

HANZALA SALEEMJune 23, 2026
Webhook Best Practices: A Developer's Production Guide
developer tools7 min read

Webhook Best Practices: A Developer's Production Guide

Learn production-ready webhook best practices: HMAC signature verification, async processing, idempotency, retry logic, and monitoring for reliable delivery.

HANZALA SALEEMJune 22, 2026
Google Alerts Alternative for Developers: Structured Monitoring with Webhooks
developer tools7 min read

Google Alerts Alternative for Developers: Structured Monitoring with Webhooks

Google Alerts has no API, no webhooks, and no structured output. Here's what developers use instead to monitor URLs programmatically.

HANZALA SALEEMJune 21, 2026 · Updated June 22, 2026
XPath vs CSS Selector for Web Scraping: When to Use Each
web scraping6 min read

XPath vs CSS Selector for Web Scraping: When to Use Each

XPath navigates the full DOM tree. CSS selectors are faster and simpler. Here is exactly when to use each for web scraping - with real config examples.

HANZALA SALEEMJune 20, 2026
Hexowatch Alternative for Developers: Best Website Monitoring Tools in 2026
comparison7 min read

Hexowatch Alternative for Developers: Best Website Monitoring Tools in 2026

Looking for a Hexowatch alternative with a real API? Compare the best developer-focused website monitoring and change detection tools in 2026.

HANZALA SALEEMJune 17, 2026
changedetection.io vs Verid: Which Website Monitoring Tool Is Right for You?
comparison7 min read

changedetection.io vs Verid: Which Website Monitoring Tool Is Right for You?

changedetection.io vs Verid compared. See which website change detection tool fits your stack - screenshot alerts or structured API-driven monitoring.

HANZALA SALEEMJune 10, 2026 · Updated June 17, 2026
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rank tracking7 min read

SERP Rank Tracking vs. Location Monitoring: What You're Missing

Your rank tracker says position 3. Your clicks dropped 22%. Here's why rank tracking and SERP location monitoring answer completely different questions.

HANZALA SALEEMJune 8, 2026 · Updated June 9, 2026
Walmart Price Tracker: Monitor Price Changes and Get Instant Alerts
price tracking8 min read

Walmart Price Tracker: Monitor Price Changes and Get Instant Alerts

Track Walmart product prices automatically. Get instant alerts when prices drop using Verid's web change detection API - no scraping infrastructure needed.

HANZALA SALEEMJune 7, 2026
How to Track SERP Location Changes: An Automated Monitoring Guide
serp monitoring10 min read

How to Track SERP Location Changes: An Automated Monitoring Guide

Learn why Google rankings differ by location and how to monitor SERP location changes automatically using Verid's change detection API.

HANZALA SALEEMJune 6, 2026
Banner Image
website monitoring5 min read

Domain Monitoring: The Developer's Complete Guide

Learn what domain monitoring is, why it matters, and how to set up structured, predicate-driven alerts using Verid's developer-first API - no glue code required.

HANZALA SALEEMJune 5, 2026
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competitor monitoring10 min read

SEO Monitoring and Competitor Intelligence Using Verid.dev

Track SERP shifts, pricing, and metadata in real time. Learn how Verid.dev automates SEO monitoring and competitor intelligence with structured alerts.

HANZALA SALEEMJune 5, 2026
Banner Image
9 min read

Best Wayback Machine Alternatives in 2026

Looking for Wayback Machine alternatives? Compare 10 tools for web archiving, change detection, visual monitoring, and automated alerts. Find the right fit.

HANZALA SALEEMJune 4, 2026
Illustration of a product page flipping from "Out of Stock" to "In Stock" while an instant alert travels to a smartphone notification, representing real-time restock monitoring with Verid.
ecommerce14 min read

Get Notified the Instant Items Are Back in Stock

Stop missing restocks. Learn how to monitor any product page for availability changes and get instant webhook, Discord, or email alerts the second items return.

HANZALA SALEEMJune 2, 2026 · Updated June 13, 2026