All projects on Base Sepolia matching “api”

Use this when you need a fast cited answer, not deep research: one live web search, relevance-ranked sources, snippet-level digest with 3-6 cited key points in seconds. No API key, no signup — x402 per-call payment only. For full-page depth use the $0.05 Research Brief on the same origin.

Public holidays in Finland for a given year: every national and regional public holiday with date, local and English names, whether it is nationwide or which regions observe it, and the weekday, from the Nager.Date public holiday dataset. Business-day and scheduling checks for Finland without an API key. $0.01 per year.

Buy one virtual number for SMS verification. First GET /agent/v1/quote, then POST here with X-Quote-Id and Idempotency-Key (service_id/country_id in the query string). The 402 advertises the locked price. If no number is available the API answers 409 no_numbers and nothing is charged.

Full-surface analysis of a target: a website, an API, a shipped JS bundle, or (as a prepared runbook) a local artifact such as an ELF/PE/.NET/Mach-O binary, an Electron app.asar, an APK or a jar. Returns a capability map where every claim carries its evidence, the entry points found, feature flags and client-side secret shapes (shapes only, never values), and an explicit list of what could not be

Redeem a room invite ($0.01 USDC, testnet only) — the verified payer becomes a viewer of the inviting org

Regulatory + legal signals: Typed, citable signals extracted weekly from the East African legal record — official notices, bills in progress, trade-standard notifications and import-rejection alerts — keyed to the same country + commodity vocabulary as the price and news layers. Up to 100 rows per call, $0.10 USDC. Filters: source, jurisdiction, country, commodity, regulation_type, instrument_type

Domain-level contact preflight with MX provider, SPF, DMARC and structured risk signals. Does not claim mailbox existence.

Create a demo cache (2 min TTL)

Search new building permits in Tampa Bay, Florida (GET /coverage lists the cities covered today) by area, trade (roofing, hvac, solar...), job value and date. Up to 25 results, refreshed daily.

Evidence snapshot: up to 10 hostnames, results in the answer, the signed and anchored report within the hour