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.

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

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.

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

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

Validate, pretty print or minify structured data documents, flatten nested documents to dot notation and back, compare two documents field by field, and convert arrays of records to and from spreadsheet friendly text.

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

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

IBAN Check API: structure, length, checksum and country checks for international bank account numbers, with formatted output. Single and batch verification.

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

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

Ensure email integrity with Email Sanity Checker API, detecting spoofing and phishing threats seamlessly.

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.

Unicode test data for internationalization testing: combining marks, bidi overrides, ZWJ emoji, homoglyphs. 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.

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

This API confirms IFSC codes to guarantee precise identification of bank branches, enabling secure electronic fund transfers in India with the most current RBI data

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

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

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

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.

Validate email addresses in real time with syntax checks, domain verification, MX records, disposable email detection, role-based email detection, and deliverability scoring.

The Symptoms Checker API is a tool that enables users to input a string of symptoms and receive a list of possible causes. It provides follow-up questions to further refine the diagnosis. This API is designed to assist medical professionals and patients in identifying potential illnesses and determining the appropriate course of action.

Access detailed and secure email information with our Fetch Secure Email Information API, enhancing data management and security.

Protect your inbox with the Email Data Checker API, ensuring secure and validated email exchanges.