Home › x402 pay-per-call APIs › Base64 / Hex / URL Codec

Base64 / Hex / URL Codec

Country, city, region, ISP/org, and lat/lon for an IPv4/IPv6 address (ipwho.is, keyless).

Host	api.24klabs.ai
Price	$0.001–$0.01 per call
Network	Base
Paid endpoints listed	23
Calls, last 30 days*	50
Most unique payers on one endpoint (30 days)*	3
Last paid call*	2026-10-13
Tags	ai, 24klabs

* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.

Endpoints

URL	Method	Price
`https://api.24klabs.ai/api/v1/ip-geolocate` Country, city, region, ISP/org, and lat/lon for an IPv4/IPv6 address (ipwho.is, keyless).	POST	$0.003
`https://api.24klabs.ai/api/base64-hex-codec` Encode or decode a string across base64, base64url, hex, and URL/percent encoding.	POST	$0.001
`https://api.24klabs.ai/api/v1/weather-forecast` Daily high/low, precipitation, and conditions for the next N days at any lat/lon (Open-Meteo).	POST	$0.004
`https://api.24klabs.ai/api/v1/uuid-ulid-gen` Generate UUID v4/v5/v7, ULID, or NanoID (single or batch), or parse/validate an existing id and extract its embedded…	POST	$0.001
`https://api.24klabs.ai/api/v1/csv-to-json` Parse CSV/TSV (RFC 4180) into a JSON array of row objects (or arrays).	POST	$0.002
`https://api.24klabs.ai/api/v1/geocode` Turn a place name into latitude/longitude, country, and population (Open-Meteo geocoding).	POST	$0.003
`https://api.24klabs.ai/api/v1/placeholder-image` Generate a solid-color placeholder image with optional centered text (no input image needed).	POST	$0.002
`https://api.24klabs.ai/api/v1/uuid-generate` Generate v4 (random) or v5 (name-based) UUIDs in a batch; optional uppercase / no-hyphens.	POST	$0.001
`https://api.24klabs.ai/api/fx-rate` Convert an amount between currencies at the latest ECB reference rate (Frankfurter, keyless).	POST	$0.003
`https://api.24klabs.ai/api/sales-tax-vat-calculator` Add tax to a net amount or extract tax from a gross amount, using a supplied rate or an embedded table of US state…	POST	$0.003
`https://api.24klabs.ai/api/placeholder-image` Generate a solid-color placeholder image with optional centered text (no input image needed).	POST	$0.002
`https://api.24klabs.ai/api/v1/base64-hex-codec` Encode or decode a string across base64, base64url, hex, and URL/percent encoding.	POST	$0.001
`https://api.24klabs.ai/api/hn-search` Search Hacker News stories and comments by query, sorted by relevance or date (Algolia HN).	POST	$0.002
`https://api.24klabs.ai/api/mock-data-generate` Generate deterministic fake test rows from a field->type spec plus a seed (names, emails, phones, addresses, dates,…	POST	$0.003
`https://api.24klabs.ai/api/summarize-url` Fetch a web page and return a concise summary and key points (SSRF-safe fetch + Claude).	POST	$0.01
`https://api.24klabs.ai/api/unit-convert` Convert length, mass, volume, data-size, time, speed, or temperature between units.	POST	$0.001
`https://api.24klabs.ai/api/jsonpath-extract` Extract one or many values from a JSON blob by dot/bracket path (e.g. items[2].name, meta.total). Pull just the fields…	POST	$0.001
`https://api.24klabs.ai/api/lorem-ipsum` Generate placeholder text by paragraphs, sentences, or words.	POST	$0.001
`https://api.24klabs.ai/api/uuid-generate` Generate v4 (random) or v5 (name-based) UUIDs in a batch; optional uppercase / no-hyphens.	POST	$0.001
`https://api.24klabs.ai/api/uuid-ulid-gen` Generate UUID v4/v5/v7, ULID, or NanoID (single or batch), or parse/validate an existing id and extract its embedded…	POST	$0.001
`https://api.24klabs.ai/api/v1/lorem-ipsum` Generate placeholder text by paragraphs, sentences, or words.	POST	$0.001
`https://api.24klabs.ai/api/weather-current` Current temperature, wind, humidity, and conditions for any lat/lon (Open-Meteo, keyless).	POST	$0.003
`https://api.24klabs.ai/api/weather-forecast` Daily high/low, precipitation, and conditions for the next N days at any lat/lon (Open-Meteo).	POST	$0.004

Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.

Is this your tool? Update the description or add details for free via Submit / claim. Want it at the top of x402 pay-per-call APIs? See Get listed / Advertise (paid placements are labelled Sponsored).