textkit (paid)

Count business days between two dates (weekends excluded) ($0.005 per call, USDC on Base)

Describe a calendar date: weekday, ISO week, day of year, quarter, leap year, weekend ($0.005 per call, USDC on Base)

Detect the encoding of a byte string: ascii, utf-8, utf-16, hex, base64, latin-1 ($0.005 per call, USDC on Base)

Detect the format of a string: uuid, email, url, ipv4, ipv6, jwt, iban, mac, semver and more ($0.005 per call, USDC on Base)

Compute a stable FNV-1a content fingerprint (32 and 64 bit) without dependencies ($0.003 per call, USDC on Base)

Count user-perceived characters (graphemes) versus code points, UTF-16 units and bytes ($0.003 per call, USDC on Base)

Format a byte count as human-readable size with KB and MiB values ($0.003 per call, USDC on Base)

Detect which Unicode scripts a string uses and flag mixed-script spoofing ($0.005 per call, USDC on Base)

Convert a title into a clean URL slug with accent stripping and optional length limit ($0.003 per call, USDC on Base)

Shannon entropy of a string in bits per character ($0.003 per call, USDC on Base)

Fold Unicode homoglyphs to ASCII to detect spoofed domains, usernames and handles ($0.005 per call, USDC on Base)

Normalize text to NFC, NFD, NFKC or NFKD and report the first differing position ($0.003 per call, USDC on Base)