Catch schema errors in your fiscal documents with our Fiscal Document XML Validator API, ensuring straightforward compliance checks.

Validate and verify NF-e XML documents seamlessly with our reliable NF-e XML Validation Service API.

Check your NF-e XML against current SEFAZ schemas and catch errors before submission.

Analyzes texts and detects offensive language, indicating whether it contains profanity, severity level, risk score, category, and identified dialect.

Ensure your website's reliability with our URL Status Check API, optimizing user experience effortlessly.

This API verifies SSL certificates from any website and returns their validity, dates, issuer, protocol, fingerprints, and authorized domains.

Validate and verify email addresses securely to enhance user trust and reduce fraud with our Trusted Email Checker API.

Guarantee compliance with international standards using our ICAO Standards Compliant Check for MRZ and document numbers.

Validates BIN numbers instantly and provides card brand, type, level, issuing bank, country details, and official bank contact information.

Instantly checks BIN numbers to provide detailed insights like card classification, issuing bank, region, brand, and essential contact information for verification.

Mastercard Check API instantly verifies card information, delivering details about the issuer, card type, brand, level, and country of origin.

Validates BIN numbers instantly and returns card brand, type, level, issuer details, country information, and contact data with accuracy.

Improve fraud detection with the Bank Bank Card Checker API, which effectively protects all cross-border transactions.

Examines any text and provides a coherence score, assessing the logic, consistency, and clarity of the content.

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

Examines any text and provides a coherence percentage, assessing the logical flow, consistency, and clarity of the content.

The Domain Check Hub API checks domain availability with support for all TLDs, single, multiple and “Beast mode” query options for popular names.

The Authentic Email Check API quickly and accurately verifies email addresses to ensure reliable communication. It offers real-time, secure verification and integrates smoothly to maintain optimal data quality.

The DNS Checker Information API verifies DNS records for any domain and record type, providing fast, accurate and globally updated results.

Submit a URL and instantly learn if it’s indexable by Google, with detailed diagnostics for robots rules, meta tags, redirects, soft-404s, and more.

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

Verifies the existence of WhatsApp numbers by receiving a phone number and returning a Boolean value: true or false.

Boost engagement with the Phone Validator & Checker API, ensuring only valid numbers reach your campaigns.

Ensure content originality by detecting reuse, paraphrasing, and semantic adaptation across multiple languages.

Ensure secure connections with our SSL Certificate Check API for easy certificate management.

Quickly assess website security with the Retrieve SSL Status Check API to enhance user trust and safety.

The Email Domain Checker API validates emails, detects disposables, checks DNS records (MX, SPF, DMARC, DKIM), identifies government and educational domains, and provides SMTP provider and website details.

Instantly validate how any URL will appear when shared on Facebook, LinkedIn, Twitter, and WhatsApp. Returns a full JSON report with platform-specific scores, broken tag detection, image dimension checks, and plain-English fix instructions — all in a single API call.

Checks multiple URLs and returns accessibility, redirects, SSL status, content type, response times, and errors if any.

Checks translated JSON, localization strings, placeholders, ICU messages, missing keys, extra keys, empty values, untranslated values, and multi-locale consistency.

Extracts and validates JSON-LD, Microdata, RDFa, and structured markup from webpages or raw HTML for SEO and technical validation.

Checks product feeds for required fields, empty values, malformed URLs, duplicate IDs, price format, availability, condition, identifiers, descriptions, image links, score, grade, issues, and fix hints.

Analyzes, validates, maps, previews, and cleans CSV text for import preparation.

Secure Mail Check API: Improve communication accuracy. Streamlined integration, real-time validation ensure secure, compliant and efficient email verification.

Validate Brazilian E-Invoice XMLs effortlessly with our NF-e XML Validator for Brazilian E-Invoices API, ensuring compliance and accuracy.

The Spam Checker in Text API is a powerful tool designed to detect and filter spam content in textual data. By analyzing the input text, it swiftly identifies and flags potential spam, ensuring a clean and safe communication environment. This API is invaluable for applications requiring robust content moderation and user protection against unsolicited or harmful messages.

Quickly validate if a 12-digit Aadhaar number is structurally correct using this API. Simple true/false response ideal for basic checks.

The Grammar Correction API is a tool that utilizes advanced AI algorithms to enhance the structure, grammar, and readability of user-entered sentences.

Full on-page SEO audit with 0–100 score and letter grade

AI-powered Christian content moderation API. Analyzes text across 7 theological compliance categories with Biblical verses and Creed references. Returns compliance score, severity level, and theological recommendations.

The Veracity Check API verifies the veracity of information, allowing to validate data in articles, news or other sources, identifying possible inaccuracies or falsehoods.

Optimize outreach with the Phone Number and Email Checker API, confirming contacts effortlessly.

Check your WhatsApp contacts for efficient communication and outreach.

Use our Aadhaar Number Lookup Check API to verify and validate identity with precision and speed.

The Error Finder API detects grammatical, spelling and style errors, providing suggestions to improve the quality of texts in multiple languages and styles.

The Routing Check API enables users to verify the authenticity of bank routing numbers.

Introducing our Fact-Checking API, your reliable ally against misinformation. Submit any claim, and our API swiftly validates its accuracy, drawing from a vast database of credible sources. Receive instant verdicts—true, false, or partially true—accompanied by detailed references. Empower your users with verified information, fostering a trustworthy online environment.

Boost your email campaigns' effectiveness using our Email Address Accuracy Checker API for precise validation.