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

Generate realistic, schema-aware synthetic test data for any database schema. 50+ field types, AI prompt-to-schema, pre-built templates, JSON/SQL/CSV output.

The 3D Bin Packing problem is a classic combinatorial optimization problem that has wide applications in logistics, warehousing, transportation, and many other fields. Its core is to reasonably pack a series of three-dimensional items (boxes) of various sizes into a limited number of three-dimensional containers (boxes, cargo containers, etc.), with the typical goal of minimizing the number of containers used or maximizing the utilization rate of containers while satisfying various constraints.

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.

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

The Domain Name Checker API quickly verifies domain name availability, simplifying online presence management and ensuring secure acquisition of desired virtual addresses.

Effortlessly convert multiple users’ working hours across time zones into synchronized UTC availability while retrieving precise local times for each participant.

Convert numbers to perfectly formatted text across 28 languages and over 35 predefined currencies. Our API handles standard, formal, and check writing formats with support for custom currencies. Perfect for financial documents, legal contracts, invoices, and multilingual applications. Simple integration with comprehensive documentation.

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

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

Embark on a golfing journey in Denmark with the Danish Golf Explorer API. Discover premier courses seamlessly, offering comprehensive details and precision.

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

Enhance your data generation with MockHero's Schema Aware Data Generation API, ensuring data integrity and relevance.

MockHero’s Mock Data API simplifies creating placeholder data, perfect for testing and development needs.

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

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

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.

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

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

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

Enhance email accuracy with tools for domain validation, disposability checks, and suspicious address detection, ideal for user authentication and marketing campaigns.

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

Validates academic emails by checking official domains of educational institutions, returning true or false depending on the authenticity detected.

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

PresentID Speaker verification API checks whether two voices belong to the same person or not. This capability is potentially useful in call centers.

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.

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

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

Verify Polish identities seamlessly with our dedicated Polish Identity Information Check for MRZ and document numbers.

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

ChainAware API provides blockchain fraud detection, wallet risk scoring, rug pull analysis and segmentation services through secure authenticated endpoints.

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

Card Type Identifier API that provides secure validation with card brand, issuer, country, and type details—perfect for payment gateway security layers.

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

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.

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

Clean Email Verifier API identifies disposable email addresses, helping companies prevent fraud and ensure genuine records in real time.

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

Text Rewriter API allows you to automatically rephrase text, preserving its meaning while changing its wording. The API supports multiple languages and can be integrated with any application for content generation, SEO and plagiarism prevention

Be able to recognize the object that is inside of a given picture. This API will help you to categorize your images by content.

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

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

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

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

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

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