Validate syntax, detect disposable domains, check MX records and accurately measure deliverability scores.

The User Agents API is a comprehensive solution for generating realistic and diverse user agents for your website or application. With advanced algorithms, it creates user agents that mimic real browsers and devices, ensuring that your requests are not detected as suspicious or blocked.

This API validates email addresses, detecting disposable or forwarding domains, analyzing MX records, and providing detailed heuristic insights and risk assessment.

The User Agent Builder API allows developers to create and customize user agent strings for web scraping, testing, and automation. Generate realistic and varied user agent strings to mimic different browsers and devices, ensuring better performance and evasion of anti-bot measures.

The Temporary Email Validation API quickly detects and removes temporary email addresses, improving communication security and reducing potential risks.

Drive up your open rates and ROI with our 98% accurate email validation, A.I.-driven email scoring, and powerful deliverability tools.

The Anonymous IP Generator API simplifies testing by dynamically creating IP addresses. This helps developers and network administrators in various testing scenarios.

The Disposable Email Validation API rapidly identifies and filters out disposable email addresses, fortifying data security and optimizing email communication efficiency.

The Inbox Validation API ensures accurate and deliverable email data, streamlining communication by verifying syntax, domains, and preventing common pitfalls.

A robust email validation API to ensure email accuracy by verifying format, domain health, disposability, and risk, enhancing reliability for registrations and communication.

Transient Email Checker API: Enhance data integrity and security by instantly identifying and blocking disposable/temporary email addresses in real-time.

"Elevate applications and simulations with a versatile, randomized user profile generator for authentic testing and development."

The Expression Evaluation API is a versatile natural language calculator that can evaluate mathematical expressions and return the results in plain text. Simply input the expression to be evaluated, and the API will scan and compute the calculation, making it an easy-to-use tool for developers who want to incorporate a calculator function into their applications.

The Email Quality Checker API authenticates email addresses by detecting temporary or disposable ones, playing a crucial role in preventing spam and fraud.

The Email Sanity Check API ensures accurate and secure email verification, minimizing bounce rates and optimizing communication processes with thorough syntax, domain, and disposable email checks.

The Temporary Email Detection API quickly detects and filters out disposable email addresses, enhancing data protection and optimizing email workflows for greater efficiency.

FreeCustom.Email is a powerful API that enables users to generate temporary email addresses for seamless online registration and OTP testing. With its user-friendly interface, you can effortlessly create disposable email accounts to bypass spam and enhance privacy, while easily receiving one-time passwords and verification emails without any hassle. Ideal for developers and testers, this API ensures secure and anonymous interactions with online services.

Automatically detects toxicity in text, classifying levels such as insults, threats, or hate speech with high accuracy and confidence in real time.

Community Standards Enforcer API enforces content standards, offering real-time, scalable moderation for online platforms, ensuring a safe and inclusive digital environment.

The Email Quality Assurance API offers real-time email validation, syntax checks, domain verification, and more, ensuring accurate communication and cost-effective marketing.

The Email Validation API enhances communication efficiency by verifying email data for accuracy and deliverability, ensuring correct syntax, domain validity, and preventing typical errors.

The Custom User Agent API allows developers to create tailored user agent strings for web scraping, testing, and automation. Generate specific user agents to simulate various browsers and devices, enhancing compatibility testing, performance analysis, and evasion of anti-bot systems for more effective and reliable application behavior.

Digital Character Creator API: Create varied, randomized user profiles to improve realistic testing and development, thereby enhancing applications and simulations.

Accurately verify emails by evaluating format, domain, MX, SPF, DMARC, blacklists, reliability, and detecting disposable, suspicious, or role-based emails.

The Email Check API validates emails with checks for formatting, DNS, suspicious activity and disposable domains. Provides a confidence score and suggestions for specific actions.

The Temporary Email Checker API swiftly identifies and filters out temporary email addresses, enhancing communication security and mitigating potential risks.

Extract User Agent API extracts and provides detailed information from user agent strings, facilitating browser and platform identification.

Validates whether an email address is temporary or disposable, returning true or false to facilitate automated filtering.

Craft tailor-made browsing experiences with our Dynamic User Agent API. Generate dynamic user agents on the fly, empowering your applications to seamlessly adapt and interact with websites. Elevate user privacy, security, and compatibility with ease.

Run automated WCAG accessibility audits on any web page. Detects violations, warnings, and best practices for ADA and EAA compliance.

Email verification API with real SMTP RCTP TO check, DNS, disposable, catch-all, and role-based detection in a single request.

Get a comprehensive trust and quality report for any website. Analyzes DNS health, SSL certificates, security headers, content quality, performance indicators, and overall trust score.

EU-Compliance: Digital Product Passport (DPP) Immutable QR Engine. Guaranteed 10-year URL persistence for Textile and Battery ESPR mandates (March 2026). High-error-correction QR generation optimized for industrial label printing. Frankfurt (EU-Central) data residency.

Validates syntax, deliverability, domains, SMTP, MX, and detects whether the email is fake, disposable, or corporate.

"The Username Toxicity Detection API safeguards online communities by identifying and flagging toxic or offensive usernames in real time."

Ensure protected communications with the Email Content Security Check API, verifying and filtering harmful content.

Enhance your email security with the Validate Email Security Check API, designed to identify potential threats effectively.

Protect your inbox with the Email Data Checker API, ensuring secure and validated email exchanges.

The User Simulate API generates virtual identities with personal and business data such as name, address and corporate profile. Ideal for form and database testing.

Safeguard Your Community with our Toxicity Detection API! Harness the power of our Language Understanding API to automatically detect and filter out profanities, toxic content, insults, and more from user-generated content. Prioritize a positive and respectful online environment with our seamless and efficient Toxicity Detection API.

The Identity Fabrication API creates realistic digital identities ideal for software testing, research and privacy protection.

Craft tailor-made browsing experiences with our User Agent Creator API. Generate dynamic user agents on the fly, empowering your applications to seamlessly adapt and interact with websites. Elevate user privacy, security, and compatibility with ease.

Assess your email content's effectiveness and optimize engagement with our Email Content Quality Assessment API.

Capture and store temporary email data efficiently for secure sign-ups and testing environments.

Analyzes web domains, evaluates reputation, security, digital presence, and social media, providing useful data for online validation and monitoring.

Capture detailed toxicity detection data instantly, enhancing safety and compliance for your applications.

Extract and analyze toxicity content efficiently with our powerful API, perfect for enhancing your project’s integrity.

Seamlessly access a wide range of toxicity-focused media, facilitating informed decisions and research.