the402 x402 endpoint directory

x402-gateway tool: verify_semaphore — Verify a Semaphore ZK proof locally using Groth16 (embedded official vkey). No e

x402-gateway tool: markdown — Fetch a URL and convert its main content to clean, LLM-ready Markdown (strips nav/ads/si

Carbon-aware and ESG agents buy this endpoint to measure the current renewable share and generation mix in Germany.

Grid-monitoring and dispatch agents buy this endpoint to obtain the latest German system load from SMARD.

Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each respon

Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each respon

Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each respon

Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each respon

Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each respon

Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each respon

Japanese postal-code lookup and reverse lookup. Keywords: Japanese postal lookup, Japan Post postal code, postal code

Trading and dispatch agents buy this endpoint to obtain the current German EPEX spot price for immediate decisions.

Identify which carrier issued a tracking number using a deterministic, versioned signature set - prefixes, lengths, ca

One-shot look at a source. No watch is created. Types: url (current page text), rss (latest feed items), price (curren

Verify a numeric financial claim against official SEC XBRL company facts. Send a ticker or CIK, us-gaap concept or sup

Findet Betraege in Freitext, deutet deutsche und englische Tausender- und Dezimaltrennung richtig, loest Mio, Mrd, Tsd

Prueft die IBAN nach ISO 13616 und ISO 7064 mit Pruefsumme mod 97-10 gegen die Laengentabelle von 74 Laendern, zerlegt

Repariert die typischen Fehler aus Sprachmodell-Ausgaben und Fremdsystemen: Markdown-Zaun, haengende Kommas, einfache

Feiertagsliste je Bundesland für DE, AT und CH, Werktagsprüfung, Werktage zwischen zwei Daten, Werktage addieren und Z

Geocodes an address with a normalized address output.

Returns ASN, country, reverse DNS, and Tor exit detection for an IP.

Checks email syntax, domain, and MX records.

Find source-linked scientific papers by topic. Returns metadata pointers, authors, dates, licence evidence when suppli

Structured fiscal data for agents, paid per request with x402 v2

Structured spending data for agents, paid per request with x402 v2

Structured economy data for agents, paid per request with x402 v2

Structured knowledge data for agents, paid per request with x402 v2

Structured batch data for agents, paid per request with x402 v2

Structured water data for agents, paid per request with x402 v2

Structured vehicle-safety data for agents, paid per request with x402 v2

Structured complaints data for agents, paid per request with x402 v2

Structured government data for agents, paid per request with x402 v2

Structured disasters data for agents, paid per request with x402 v2

Structured vulnerabilities data for agents, paid per request with x402 v2

Structured regulatory data for agents, paid per request with x402 v2

Structured alerts data for agents, paid per request with x402 v2

Structured nutrition data for agents, paid per request with x402 v2

Structured indicators data for agents, paid per request with x402 v2

Structured domain data for agents, paid per request with x402 v2

Structured research data for agents, paid per request with x402 v2

Retrieve clean web text, highlights, or summaries with per-URL statuses, paid per request with x402 v2 (up to 10 URLs)

Returns reproducible aggregate statistics for the sanitized Polymathica archive census: 77,053 source rows, unique has

Real-time GPU and LLM API pricing data scraped from public cloud provider websites. Structured, parsed pricing with pe

Searches a governed corpus of 1,131 scientific hypothesis proposals across five rigor tiers (benchmark, established_me

Searches a locally harvested metadata-only index of public scientific assets from free/open APIs. Returns curated poin

Locus public pay-per-use API

Read a public EVM wallet balance on Base or Ethereum and determine whether its Base USDC balance can cover a suggested

Fetch one URL and return clean article Markdown without navigation, ads or cookie banners.

Fetch one URL and return clean article Markdown without navigation, ads or cookie banners.

Searches Hacker News for startup news and Show HN launches.