The Card Checker API is a powerful tool for businesses to validate bank card authenticity, prevent fraud, and ensure smooth transactions.

This API is able to detect any spelling or grammar errors in your application. Submit text and receive a JSON response with potential errors and suggested corrections.

Detect and censor any bad words included in a text. Be able to filter words and have a safe environment on your site.

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

This API provides access to geocoded information, address validation and location details, ensuring accurate and up-to-date data for applications.

The Language Detection API allows developers to detect the language of a given text input. It uses advanced Natural Language Processing techniques to accurately identify the language, even for short or ambiguous inputs. The API utilizes HTTP requests and returns the detected language code in a format that can be easily integrated into various applications.

A comprehensive identity verification suite providing high-performance tools for document validation and data extraction. MRZ Parser: Fully compliant with ICAO standards (TD1, TD2, TD3, MRVA, MRVB) to extract identity info, document types, and all data from Machine Readable Zones. Document Number Validation: Checksum and format verification for Polish ID cards, Passports, Driving Licenses, and more (9-character alphanumeric support). Polish Identity Validators: Dedicated endpoints for local identifiers: PESEL: National ID number validation. NIP: Tax Identification Number (handles formatted and raw input). REGON: Business registry numbers (supports both 9 and 14-digit formats).

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

This API will help you tag different parts of any speech provided. Tags the provided text with parts of speech (such as nouns, verbs, adjectives, adverbs, etc.)

Validate Brazilian NF-e / NFC-e / CT-e XML against current SEFAZ schemas — get per-element typed errors, not a cryptic rejection code.

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

A Spelling and Basic Grammar Check API is a tool that allows developers to integrate spelling and grammar checking functionality into their applications

This API empowers your website to validate credit cards before approving transactions.

The DNS Check API enables users to examine Domain Name System (DNS) records for any domain.

The Text Spam Checker API is a tool for quickly and accurately identifying spam messages in real time. It uses advanced algorithms and machine learning models to classify messages based on their content

Safeguard digital spaces by swiftly detecting and removing offensive content, fostering respectful and inclusive communication.

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 API verifies URLs, indicating whether they are broken or active, displaying HTTP status codes, errors, and link reliability in real time.

The Gender Checker API employs facial analysis to accurately identify and categorize gender, offering a versatile solution for diverse applications.

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

Fast & reliable online code compilation and execution of APIs for 50+ languages & databases

The AI Text Checker API utilizes sophisticated algorithms to differentiate between human-written and AI-generated text, thereby verifying authenticity and ensuring trustworthiness in textual content.

Detect machine-generated text using statistical heuristics.

Evaluates any text and provides a coherence score, assessing its logic, consistency, and clarity.

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.

"Introducing the Credit Card Validation Check API your secure solution for swift and accurate verification of payment card authenticity."

The Semantic Match API enables content analysis by assessing and comparing the similarity of two texts.

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

Unlock the power of the Username Availability Checker API! Instantly check if a username is available on popular platforms like Facebook, Instagram and TikTok.

The Language Checker API identifies the language of a text quickly and accurately, facilitating content customization and translation.

Instantly verify emails, validating their format and existence to ensure effective communication and reduce errors in your systems.

Validate structured data markup on any web page including JSON-LD, Microdata, and RDFa. Detects Schema.org types, checks for errors, and returns detailed validation results.

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

Handle various documents smoothly with our Multi Document Type Check for MRZ and document numbers.

The Text Change Detector API is an tools for comparing two texts and highlighting their differences. It offers results in JSON format and pre-rendered for HTML and CLI.

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

Ensure your links are active with our URL Status Validator API for seamless browsing.

Retrieve essential information from your emails securely with our Blacklist Email Check API, ensuring privacy and accuracy.

Monitor and analyze website performance using the URL Health Check API for improved user engagement.

The Secure Card Check API validates card BINs and returns issuer details, card type, brand, country, and bank contact information instantly.

Streamline your processes using our Document Number Format Validation Check for accurate MRZ and document number formats.

Verify CT-e XML schema compliance quickly using our CT-e XML Schema Compliance API for hassle-free validations.

Ensure NFC-e accuracy with our Validation and Error Check API, streamlining your fiscal compliance effortlessly.

Detect and pinpoint errors in e-invoice XML with our E-invoice Error Checking API — returns the exact element paths that failed.

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

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

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

Streamline ERP fiscal integration with our ERP Fiscal Integration Validator API, ensuring your documents meet SEFAZ schema requirements.