Base64 / Hex / URL Codec x402 REST usage
Encode or decode a string across base64, base64url, hex, and URL/percent encoding.
api.24klabs.ai · 17 listed services · provider site
Encode or decode a string across base64, base64url, hex, and URL/percent encoding.
Generate UUID v4/v5/v7, ULID, or NanoID (single or batch), or parse/validate an existing id and extract its embedded timestamp.
Generate v4 (random) or v5 (name-based) UUIDs in a batch; optional uppercase / no-hyphens.
Convert length, mass, volume, data-size, time, speed, or temperature between units.
Extract one or many values from a JSON blob by dot/bracket path (e.g. items[2].name, meta.total). Pull just the fields you need instead of shipping the whole object.
Generate placeholder text by paragraphs, sentences, or words.
Generate deterministic fake test rows from a field->type spec plus a seed (names, emails, phones, addresses, dates, ints, bools). Output JSON, CSV, or NDJSON. Same seed always yields the same data -- reproducible fixture...
Country, city, region, ISP/org, and lat/lon for an IPv4/IPv6 address (ipwho.is, keyless).
Daily high/low, precipitation, and conditions for the next N days at any lat/lon (Open-Meteo).
Turn a place name into latitude/longitude, country, and population (Open-Meteo geocoding).
Generate a solid-color placeholder image with optional centered text (no input image needed).
Convert an amount between currencies at the latest ECB reference rate (Frankfurter, keyless).
Add tax to a net amount or extract tax from a gross amount, using a supplied rate or an embedded table of US state (state + avg local) and worldwide VAT/GST rates.
Search Hacker News stories and comments by query, sorted by relevance or date (Algolia HN).
Parse CSV/TSV (RFC 4180) into a JSON array of row objects (or arrays).
Fetch a web page and return a concise summary and key points (SSRF-safe fetch + Claude).
Current temperature, wind, humidity, and conditions for any lat/lon (Open-Meteo, keyless).
Provider identity is derived from the domain or repository in the source record. If two vendors share a host, they appear together here — that is a limitation of the data, not a statement about ownership.