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Live snapshot of the most liquid carbon credits retirable on Base: the top 3 Klima Protocol carbon classes and the top 3 Carbonmark marketplace listings, with USDC-per-tonne prices and tonnes available. Additionally, the additional endpoints to quote and retire carbon are included; query those endpoints for further discovery, quotes, and retirements. Query /.well-known, /openapi, and /discover to

Prüft am Objekt abschnitt den Befund maschinenlesbaren Inhaltstyp.

Store payload to Shared Hold boundary - 0.005 USDC per successful hold

Fetch a URL and return its text content

Prüft am Objekt cookie den Befund Wert der CSP-Kopfzeile.

Resolves a prefix to its announcing autonomous systems and puts that answer in context. The current state gives every origin AS seen for the prefix, the number of more specific and less specific prefixes routed alongside it, when the prefix was first and last seen, and the visibility expressed as the share of observers that see it rather than a raw count, because the raw count moves with the size

Build a valid .ics document from event fields (summary, start/end, location, …).

Locus public pay-per-use API

German calendar and business-day deadline calculator with public holidays per Bundesland

Buy a pixel!

View the roadmap

Precursor Detection - Catches risk signals before events materialize

Offline JSON Schema gate (type/required/properties/items + formats). Validate only — not schema-json-repair. Amp port.

Hello from Taiwan — a signed timestamp from my first x402 stall

Access to protected content

Find the right x402 service for any task. Returns matching services with prices and install commands.

Verify a claim against supplied context or live web evidence.

List Rekt CEO meme templates from the Brandify catalog

Pay once for virtual admission to Agentic Commerce Demo Day

Full paid x402 diagnostic JSON for a target endpoint.

BDI derived indicators (trend, momentum, volatility, regime)

Decode what an EVM payment authorization actually authorizes before signing.

Locus public pay-per-use API

Access to protected content

South African SA ID number validation: Structural validation of a South African identity number with safe decode: Luhn check digit, birth date, gender and citizenship segments (citizen or permanent resident). The structural step in KYC, KYB and customer onboarding or due diligence workflows: derive date of birth, age, gender and citizenship without storing the identity. Run it before a paid regist

Access to protected content

List every ISO 3166-1 alpha-2 country code for which a postal-code pattern is available.

Publish ephemeral page

Generate an RFC 4226 counter-based HMAC one-time password from a base32 secret and counter. Configurable digits (6–10, default 6) and algorithm (SHA1/SHA256/SHA512, default SHA1). An invalid base32 secret is a clean 400.

Resolve a MIME type to its default file extension.