The WhatsApp OTP API enables seamless user authentication and transaction verification by sending OTPs directly to phone numbers.

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

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

Test a regular expression against an input text and get every match with capture groups and named groups. Patterns run in an isolated worker with a hard time limit, so catastrophic patterns are stopped safely.

Phone Validation API validates phone numbers and provides phone metadata, including carrier, line type, prepaid status, and a phone activity score to identify disconnected numbers.

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

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.

Confirm VPN connections effortlessly using the IP VPN Connection Validator API for peace of mind.

Monitor VPN status efficiently with the IP VPN Status Fetcher API—ensure smooth connectivity.

Descriptive statistics, normality, correlation, and process capability (Cp/Cpk/Pp/Ppk) as a JSON API. Send a data table and a config, get clean result tables back.

Access geographic data and insights from your IP VPN with ease.

Edge case test data for QA and fuzz testing: Unicode, injection probes, boundary dates, float precision. 16 types, reproducible seeds, and every value explains what it breaks.

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.

Uptimer is a powerful API designed to monitor the uptime and performance of websites and services in real-time. It provides instant alerts and detailed analytics, enabling users to ensure their online assets are always functioning optimally. With customizable monitoring intervals, multi-location checks, and integration capabilities, Uptimer helps businesses maintain high availability and enhance user experiences through proactive problem detection and resolution.

Enhance your platform's security with the VPN Detection and Prevention API. Identify users masked by VPNs, proxies, or TOR in real-time. Leverage geolocation to trace the origins of website visitors, gaining crucial insights to combat fraud and secure your online presence. Stay ahead in the fight against digital deception.

Unicode test data for internationalization testing: combining marks, bidi overrides, ZWJ emoji, homoglyphs. Deterministic seeds, and every value explains what it breaks.

Canonical injection test strings for checking your own escaping: SQL tautology, XSS, path traversal, template injection. Harmless probes, not working exploits. Reproducible seeds.

Boundary value test data for off-by-one bugs: int32 and int64 limits, max-length strings, empty values. Deterministic seeds, and every value explains what it breaks.

Integer and floating-point edge cases: int32/int64 limits, NaN, infinity, denormals, and IEEE 754 rounding. Deterministic seeds, and every value explains what it breaks.

Fuzz testing input data for validation layers: malformed strings, boundary values, control characters. 16 field types, reproducible seeds; each value explains what it breaks.

QA test fixtures and CI seed data with reproducible seeds, so pinned test runs return identical rows every time. 16 field types, each value explaining what it breaks.

Malformed and hostile string test data for input handling: control characters, null bytes, encoding edge cases. Reproducible seeds, and every value explains what it breaks.

Optimize your CI/CD pipeline with our email testing solutions—lightning-fast and robust!

Monitor internet speeds effortlessly with the Speed Test Data Retrieval API, ensuring optimal performance for users.