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•Phone Validation

VoIP Number Verification

Learn why VoIP number verification is vital for fraud prevention. Our guide covers how to detect risky numbers using real-time APIs and other proven methods.

June 30, 2025

Best SMS APIs

Uncover the best SMS APIs: analysis includes pricing, customer reviews, top features, ease of integration, and recommended use-cases.

June 2, 2025

What is IBAN Structure Validation?

What is an IBAN? Learn its structure, why validation is crucial for secure payments, and how AbstractAPI's IBAN Validation API prevents errors & ensures accuracy.

May 26, 2025

JavaScript Phone Number Validation: How to Validate Phone Numbers in JS (Regex, Libraries, & API)

Don’t panic, here’s a simple guide to validating phone numbers in HTML and Javascript. We discuss some number format variations and provide code examples.

April 28, 2025

Yup Phone Number Validation

Learn How to Validate Phone Numbers with Yup in your React application. Use the AbstractAPI Phone Number Validation API today for Free!

April 28, 2025

Best Phone Number Carrier Lookup APIs

Explore top phone carrier lookup APIs for superior SMS verification and data accuracy. Find the best service for your business needs in our guide.

March 25, 2025

See all Phone Validation API guides

• Email Validation

How to Send Email with Python (the Right Way)

Learn How to Send Email with Python with local SMTP, Telnet, Python, Google 2FA, with HTML, and more! Try out AbstractAPI's Email APIs today for Free!

August 4, 2025

React Hook Form Email Validation

Email validation with React Hook Forms can be easier than you think. Learn how to implement it in this step-by-step guide.

June 26, 2025

Bulk Email Validation: A Comprehensive Guide for Email Marketers

Learn what Bulk Email Validation and How to Bulk Validate Emails using AbstractAPI's Email Validation API. Try it now for Free!

May 26, 2025

Best Email List Cleaning Services in 2025

Learn how to maintain a healthy and active email list with these top free solutions. Find out how email list cleaning can help improve your deliverability & ROI.

May 12, 2025

Simple guide to HTML Email Validation

Learn how to validate email addresses in HTML forms using HTML5 features (input type="email", pattern, required) and when to use JavaScript or an API for more robust validation.

April 21, 2025

Email Validation in JavaScript Using Regex

Discover our guide on email validation in JavaScript using regex. Includes script examples, clarification on the basics, and step-by-step sections.

April 21, 2025

See all Email Validation API guides

•IP Geolocation

Django Geolocation

Learn how to perform IP Geolocation with Django and Python in this detailed tutorial. Try AbstractAPI's IP Geolocation API today for Free!

July 7, 2025

Managing a Strong IP Reputation

Discover how to manage your IP reputation with practical tips on monitoring, email list hygiene, authentication protocols, and engagement to ensure your emails are trusted and reach their recipients.

June 18, 2025

Vue Geolocation

Learn how to add Geolocation with a Vue.js App in this detailed tutorial. Try the AbstractAPI IP Geolocation API today for Free!

June 18, 2025

How to Detect if an IP Address Is Using a VPN

Learn why you'd want to identify which IP addresses are using a VPN, and how to reliability detect VPN's with this step by step guide from Abstract.

May 19, 2025

Does Tor Hide Your IP Address? A Closer Look at Online Anonymity

Does Tor really hide your IP address? Learn when it works, its limits, and how to detect Tor traffic in real time using AbstractAPI’s Tor Detector.

May 8, 2025

Unlocking the Full Power of IP Intelligence

Discover how AbstractAPI’s IP Intelligence API helps detect fraud, personalize experiences, and enhance security through accurate, actionable IP data.

April 30, 2025

See all IP Geolocation API guides

•Company Enrichment

What is Data enrichment and How to do it

Discover how data enrichment can transform your customer data into actionable insights, enhancing marketing strategies and driving business growth.

August 11, 2025

Get information about a company

Accurate company information is essential for business; let’s unpack practical methods and advanced tools like APIs, to get the best data.

May 29, 2024

Best Company Logo APIs

Explore the top 5 company logo APIs: features, pros, cons, and why Abstract's API is a game-changer for brand consistency.

February 7, 2024

Best Data Enrichment APIs

Discover the best data enrichment APIs for B2B companies: Enhance lead quality, targeting, and data accuracy to boost your business.

November 16, 2023

See all Company Enrichment API guides

•Alternatives

Top 5 Numverify Alternatives in 2025

Discover the top 5 Numverify alternatives in 2025 for accurate phone number validation and verification services. Enhance your data quality now.

June 18, 2025

Top 5 Breadcrumbs Alternatives in 2025

Discover the top 5 Breadcrumbs alternatives in 2025 for seamless navigation and enhanced user experience on your website.

March 10, 2025

Top 5 Dev.me Mailbox Verification Alternatives in 2025

Discover the top 5 Dev.me Mailbox Verification alternatives in 2025 for reliable email validation and improved deliverability.

March 10, 2025

Top 5 Informatica Email Verification Alternatives in 2025

Discover the top 5 Informatica Email Verification alternatives in 2025 for accurate, reliable, and efficient email validation solutions.

March 10, 2025

See all Alternative API guides

•VPN Checker

IPRoyal Lookup

Learn about how Abstract API reliably identifies IPRoyal Lookup traffic to protect your business from fraud, improve visibility and maintain compliance.

June 27, 2025

Mullvad Checker

Learn about how Abstract API reliably identifies Mullvad Checker traffic to protect your business from fraud, improve visibility and maintain compliance.

June 27, 2025

Express VPN

Learn about how Abstract API reliably identifies Express VPN traffic to protect your business from fraud, improve visibility and maintain compliance.

June 27, 2025

Nord VPN IP Lookup

Learn about how Abstract API reliably identifies Nord VPN IP Lookup traffic to protect your business from fraud, improve visibility and maintain compliance.

June 27, 2025

See all VPN Checker API guides

•Other

What's the Difference Between Authentication and Authorization?

Discover the key differences between API authentication and authorization, why they matter, and how to use both to build secure, reliable apps in 2025.

August 11, 2025

Best APIs for Stock Data

Discover the 10 best stock market APIs of 2025 for real-time, historical, and global financial data. Compare features, pricing, and use cases to find the right fit for your project.

August 11, 2025

REST vs. GraphQL

Exploring the differences between GraphQL and REST (aka Representational State Transfer). This article will tell you what GraphQL & RESTful API are, and more.

July 28, 2025

How Do I Deprecate My REST API?

Everything you want to know about deprecating your REST API (aka Application Programming Interface). This article tells you how to deprecate your API and more.

July 7, 2025

The 8 Best Bitcoin APIs

Hand-picking a Bitcoin API for your projects isn’t easy. In this article, we’ll compare the best Cryptocurrency APIs to help you make better, informed choices.

June 26, 2025

Web Scraping Best Practices: A Comprehensive Guide

Learn how to scrape websites ethically and efficiently. Explore best practices for planning, proxies, data storage, and using tools like AbstractAPI. Start scraping smarter today.

June 23, 2025

See all Other API guides
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