Look up and validate a domain's RFC 9116 security.txt - disclosure contacts, expiry date, PGP signature, policy fields and compliance issues

Wikipedia daily feed - today's featured article, the most-read pages with view counts, the picture of the day and the in-the-news stories for a date

Find paid x402 tools by task from the Coinbase Bazaar - URL, description, price per call, network, 30-day calls and payers, with an optional price ceiling

Broken link checker for a web page - fetches up to 30 links and reports status code, redirects and failures with a count of ok, broken and redirected

Example sentences for a word or phrase from Tatoeba with translations in a target language, contributor, license and an audio flag

Detect the technologies a website runs - CMS, framework, CDN, hosting, analytics, payments and chat widgets - from page markup and response headers

Trace the full redirect chain of a URL - each hop with status code and timing, final URL, HTTPS upgrade, host change, permanent-only and loop detection

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Random UUID v4 generator - 1 to 20 values from a cryptographic random source

Norwegian company register lookup by name or organisation number - legal form, founded date, employees, industry, address, VAT, bankruptcy and annual accounts status

Data breach catalogue from Have I Been Pwned filterable by name or recency - accounts affected, data exposed, passwords flag, dates and a summary

Generate typosquat, lookalike and TLD-swap variants of a domain and report which already resolve in DNS, with IP addresses and whether they accept mail

Protein-protein interaction partners from STRING for a gene symbol - combined confidence score and evidence from experiments, databases and text mining

How common a first name is in Brazil by decade of birth from the IBGE census - total people, peak decade and counts for each decade, for up to five names

Search the Estonian business register by company name - registration code, status (registered, liquidation, bankruptcy), legal address, postal code and former names

EPA ECHO regulated facilities by name, state or ZIP - air, water and waste compliance status, quarters in violation, inspections, actions and penalties

Verify a Polish NIP on the VAT White List - taxpayer name, VAT status, REGON, KRS, address, registered bank accounts and virtual account flag for payment checks

Search 250+ biomedical ontologies in the EBI Ontology Lookup Service for disease, phenotype, chemical and process terms with ids, definitions and synonyms

Czech company register (ARES) lookup by IČO number or name - legal name, address, VAT ID, founding date, NACE activity codes, tax office and active status

Search the Human Phenotype Ontology for clinical signs and symptoms - HP id, name, definition and synonyms with a link to each term page