# Services from landingen24h.com on Zero > landingen24h.com serves 18 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero. Canonical page: https://www.zero.xyz/host/landingen24h.com Live health (JSON, refreshed every minute): https://www.zero.xyz/host/landingen24h.com/health.json ## Services - [Argentine Feriados & Business Day Calculator](https://www.zero.xyz/c/argentine-feriados-business-day-calculator-2cb87613/llms.txt): $0.002/call via x402. Returns Argentine national holidays (including puentes turísticos) for a given year, and optionally checks whether a date is a business day, returns the next business day, and adds N business days to a given date. - [Landing en 24h – Argentina Inflation API (INDEC)](https://www.zero.xyz/c/landing-en-24h-argentina-inflation-api-indec-52a2e880/llms.txt): $0.002/call via x402. Returns Argentina's latest consumer price inflation data from INDEC (monthly %, YoY %, last 12 months) and optionally computes compounded cumulative inflation between two months with an inflation-adjusted amount. - [Argentine CBU/CVU Bank Account Validator](https://www.zero.xyz/c/argentine-cbu-cvu-bank-account-validator-493c05b6/llms.txt): $0.01/call via x402. Validates an Argentine CBU or CVU bank account number offline by checking both check digits, returning account type, entity/branch codes, bank name, and formatted value. - [Landing en 24h – Landing Page Generator](https://www.zero.xyz/c/landing-en-24h-landing-page-generator-9be4157d/llms.txt): $0.25/call via x402. Generates a complete, mobile-ready HTML landing page for a small business in seconds, including copywriting, WhatsApp button, and branded design. - [Keccak-256 Hash (Ethereum-Compatible)](https://www.zero.xyz/c/keccak-256-hash-ethereum-compatible-a75014bc/llms.txt): $0.001/call via x402. Computes the Ethereum-native Keccak-256 hash of a UTF-8 string or hex bytes, returning the full hash and the 4-byte function selector - [Argentine CUIT/CUIL Validator](https://www.zero.xyz/c/argentine-cuit-cuil-validator-fb7c3cc7/llms.txt): $0.01/call via x402. Validates and formats an Argentine tax/identity number (CUIT or CUIL) by checking prefix, checksum, and structure — entirely offline without querying AFIP/ARCA. - [Landing en 24h Web Audit](https://www.zero.xyz/c/landing-en-24h-web-audit-059a0d6b/llms.txt): $0.02/call via x402. Audits a public URL for SEO, performance, security headers, and mobile-readiness issues, returning a grade, score, and actionable issue list. - [Currency Exchange Rate Lookup (FX Rate API)](https://www.zero.xyz/c/currency-exchange-rate-lookup-fx-rate-api-abfb6de1/llms.txt): $0.002/call via x402. Converts a given amount between two ISO 4217 currencies and returns the current mid-market exchange rate, converted amount, and inverse rate. - [Text Statistics Analyzer](https://www.zero.xyz/c/text-statistics-analyzer-bc340e9e/llms.txt): $0.001/call via x402. Analyzes a block of text and returns detailed statistics including word count, sentence count, reading time, and top words. - [Landing en 24h Slug Generator](https://www.zero.xyz/c/landing-en-24h-slug-generator-5e9d1285/llms.txt): $0.001/call via x402. Converts a text string into a URL-safe slug with configurable separator and maximum length - [Cryptographically Secure Random Number Generator](https://www.zero.xyz/c/cryptographically-secure-random-number-generator-8353c764/llms.txt): $0.001/call via x402. Generates cryptographically secure random integers and hex bytes using the browser's CSPRNG (crypto.getRandomValues) - [Landing en 24h Text Hashing Utility](https://www.zero.xyz/c/landing-en-24h-text-hashing-utility-2d92132d/llms.txt): $0.001/call via x402. Hashes UTF-8 text using SHA-1, SHA-256, SHA-384, SHA-512, or all algorithms at once, returning hex and base64 encoded digests. - [UUID Generator (v4/v7)](https://www.zero.xyz/c/uuid-generator-v4-v7-2ec98683/llms.txt): $0.001/call via x402. Generates one or more UUIDs in v4 or v7 format, returning them with metadata including generation timestamp. - [Argentine Phone Number Normalizer](https://www.zero.xyz/c/argentine-phone-number-normalizer-8f03d72b/llms.txt): $0.01/call via x402. Parses and normalizes Argentine phone numbers into E.164, WhatsApp-ready, and international formats, detecting mobile vs landline. - [Argentine Dolar Exchange Rate API (landingen24h)](https://www.zero.xyz/c/argentine-dolar-exchange-rate-api-landingen24h-46bf6e6c/llms.txt): $0.002/call via x402. Returns current Argentine peso exchange rates for various USD quote types (blue, official, MEP, crypto, card, etc.) - [Landing en 24h — Current Time by Timezone](https://www.zero.xyz/c/landing-en-24h-current-time-by-timezone-26d4e918/llms.txt): $0.001/call via x402. Returns the current UTC and local time for a given IANA timezone, sourced from a Cloudflare NTP-synced edge clock. - [Landing en 24h Base64 Encoder/Decoder](https://www.zero.xyz/c/landing-en-24h-base64-encoder-decoder-a4adf8a4/llms.txt): $0.001/call via x402. Encodes or decodes text to/from Base64, with optional URL-safe mode - [IP Geolocation & Network Info Lookup](https://www.zero.xyz/c/ip-geolocation-network-info-lookup-54157a54/llms.txt): $0.001/call via x402. Returns the caller's IP address along with geolocation, ASN, timezone, TLS version, and HTTP protocol details. Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. - [Zero catalog index](https://www.zero.xyz/llms.txt)