Developer Tool

Validate and normalize a phone number with full Google libphonenumber metadata: strict validity against each national numbering plan, E.164 / international / national fo…

Turn free multilingual text into a URL-safe slug. Transliterates Latin (all diacritics: é→e, ü→u), Cyrillic and Greek to ASCII; deterministic. Options: separator (defaul…

Official PTAX USD/BRL exchange rate, buy and sell.

Sommelier & terroir intelligence API. Integrates wine vintage, grape varieties (with sensory radar for tannins, acidity, body, aromatic intensity), winery heritage, geog…

Full abandonment report: score breakdown, raw registry facts, GitHub facts, version history, support and issue stats, and a recommendation.

One question, one human answer from judgment or local experience, returned with a signed receipt. $25. Answered at the next 6 PM Pacific review, so within 24 hours.

The dispute pack: the series, the contradiction stated, a SHA-256 digest and an attestation

The latest stored reading for a host: three rating instruments plus what it answered when asked — dated, never live, and it says how old it is

Latest value of any World Bank indicator for a country (GDP, inflation, population...). Source: World Bank API. JSON.

Official FDA label data for a drug by brand or generic name: indications, warnings, dosage. Source: openFDA. JSON.

7-day forecast for any US coordinate: periods with temperature, wind, precipitation chance, narrative. Source: National Weather Service. JSON.

Provide one seller-owned HTTPS route and its GET or POST method. Receive JSON that compares its live unpaid challenge with the latest local CDP Bazaar, x402scan, and MPP…

Provide one inline OpenAPI document or public OpenAPI URL. Receive a JSON buyer-readiness score, rule results, and concrete fixes for payment metadata, missing examples,…

Provide an API origin, inline OpenAPI document, and optional target list. Receive JSON with ready, blocked, or unsupported mpp.dev and x402-list packages, including exac…

Provide an API origin and inline OpenAPI document, with optional names and tags. Receive JSON containing a validated mpp.dev service entry, warnings, and ready-to-copy T…

Mean SoilGrids cation exchange capacity for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Croatia; results outside it are rejected…

Mean SoilGrids cation exchange capacity for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Hungary; results outside it are rejected…

Mean SoilGrids cation exchange capacity for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Romania; results outside it are rejected…

Mean SoilGrids cation exchange capacity for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Bulgaria; results outside it are rejecte…

South-facing slope orientation index derived from aspect and slope. The coordinate is validated against the Natural Earth boundary for Cyprus; results outside it are rej…

Circular direction of the dominant surface gradient, clockwise from north. The coordinate is validated against the Natural Earth boundary for Cyprus; results outside it…

South-facing slope orientation index derived from aspect and slope. The coordinate is validated against the Natural Earth boundary for Croatia; results outside it are re…

Circular direction of the dominant surface gradient, clockwise from north. The coordinate is validated against the Natural Earth boundary for Croatia; results outside it…

South-facing slope orientation index derived from aspect and slope. The coordinate is validated against the Natural Earth boundary for Hungary; results outside it are re…