The WhatsApp OTP API enables seamless user authentication and transaction verification by sending OTPs directly to phone numbers. It receives a phone number and message content, then responds with a status and transaction ID. Ideal for user logins, transaction confirmations, and password resets, it offers substantial savings with plans starting at $24.99 for 2,500 OTPs. 🚀

Verify emails in real time, detect valid domains, correct formatting, MX records, gravatars, and blacklists to ensure reliable deliverability.

Professional QR Code Generation API with advanced customization options.

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

Empower your communication with the Poland SMS Sender API. Seamlessly integrate SMS functionality into your applications, enabling instant and reliable messaging to Polish contacts. Unlock the potential to engage, inform, and connect with your audience effortlessly, ensuring your messages reach their destination with speed and precision.

Send OTP and notifications to your users by email. Forget about configurations and records with this API.

The Email Validation and Disposable Email Checker API verifies email addresses for validity and detects disposable emails, enhancing data quality and security.

Validates email addresses by checking format, domain, and MX records, providing structured results and metadata for automatic integrations.

It leverages artificial intelligence to detect and address offensive language within user comments, promoting digital civility and improving online safety.

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

The Offensive Commentary Blocker API serves as a language protector for content moderation, automatically detecting and filtering out offensive language in textual content.

"Empower your applications with our Expression Recognition API uncover emotions, assess opinions, and analyze attitudes for enhanced decision-making and user engagement."

The Text Feeling Detector API decodes the emotions in the text and offers information in real time.

Attitude Assessment API: Decode emotions in text with advanced NLP, offering real-time insights. Enhance customer support, brand management, and market strategies.

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

Verify email addresses quickly and accurately with our Email Confirmer API for reliable communication.

It utilizes artificial intelligence to identify and manage offensive language in user comments, fostering digital etiquette and enhancing online safety.

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

Email Address Check API ensures accurate, standardized mailing addresses, reducing errors in digital communication, e-commerce, logistics, and beyond.

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 Disposable Verification API enhances data integrity and security by validating email addresses for accuracy and identifying disposable emails.

Opinion Mining API leverages NLP to classify text as positive, negative, or neutral, enabling businesses to gauge opinions efficiently.

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.

The Inbox Assurance API verifies and enhances email accuracy by checking syntax, domain validity, and detecting disposable addresses for secure communication.

Polish Text Moderation API ML-powered content moderation solution with 3 specialized endpoints: sentiment analysis for product reviews, multi-class message moderation and hate speech recognition. Native Polish language support with JSON responses including confidence scores and probability distributions. Fast (<500ms), privacy-focused (no data storage), and RESTful with full OpenAPI 3.1 documentation. Perfect for e-commerce, forums, and social platforms targeting Polish audiences.

The Email Verifier API simplifies email management by detecting and handling bounced emails from various ISPs. With this API, you can ensure that your messages are delivered effectively without worrying about bouncing or invalid emails.

Elevate your correspondence with the HTML Business Signature Generator API. Craft exquisite email signatures that mirror your brand's essence dynamically. Seamlessly integrate personalized signatures into your communication flow, leaving an indelible mark of professionalism and creativity.

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

Easily verify email addresses using our API, confirming correct format, active MX record, and filtering out disposable addresses to improve communication precision.

Fast and Reliable Company / Business Searches, Reviews, and more from Trustpilot in Real-Time (unofficial API).

Ensure high-quality leads with the Quick Email Verification API, your fast, reliable solution.

Shield your platform from spam with the Validate Emails and Phone Numbers API.

The Dynamic Email Verification API enhances data accuracy by verifying email addresses in real-time, preventing bounce backs, and ensuring reliable communication channels.

Capture vital Sentiment Insights from Text to elevate your brand’s communication and customer feedback strategies.

Easily Retrieve Sentiment from Text to improve user engagement and tailor responses in real-time.

Block disposable emails in real time, safeguarding your database and ensuring fraud prevention with Temporary Mail Blocker API.

The Amazon Review Analytics API streamlines access to product reviews, enabling seamless integration of customer feedback into applications. This enhances user experiences and supports informed decision-making processes effortlessly.

Identify and eliminate disposable email addresses with the Dangerous Mail DetectorI API to ensure secure and authentic user registrations.

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

The Email Verification Software API ensures reliable communication. It validates format, domain and deliverability.

Confirm email addresses rapidly to boost marketing effectiveness and user trust in your campaigns.

The Email Checker Solution API ensures email accuracy and deliverability through syntax, domain, and SMTP checks, enhancing marketing and communication strategies.

Robust CPF enrichment API. Returns core and complementary data (full name, parentage, gender, birth date, score, addresses, emails, phones, relatives, extras) with low latency and high accuracy. Built for KYC, fraud prevention, and automated onboarding.

Validates phone numbers and email addresses, confirming correct formats, country codes, location, number type, and active MX records.

The Custom Review Maker API generates unique, high-quality reviews for products, restaurants, and services based on your inputs. Enhance customer engagement, boost SEO, and build brand credibility with this advanced tool that creates insightful and tailored reviews effortlessly, helping you stand out in a competitive market.

Detect disposable email addresses in real time to protect your platform from fake accounts and enhance email marketing efficiency.

Extract detailed Trustpilot feedback efficiently for deeper analysis and improved customer engagement strategies.

Go beyond sentiment with our Opinion Analysis API to determine if a social post is a promoter, detractor, or indifferent suggestion. Discover what consumers think & feel about your brand and what you can do to strengthen the emotional connection with consumers.