All projects on Base matching “us”

Cheap web search for AI agents: give it a query, get up to 10 live web results back as JSON (rank, title, url, domain, snippet). Optional region (e.g. us-en) and safe-search level. Sources tried in order: DuckDuckGo, Bing, Yahoo. Results link to the live web; pair with a /read service to fetch the pages.

Verify a US healthcare facility by CMS Certification Number (CCN). Returns Medicare certification status, provider type, bed count, ownership type, accreditation, address, and phone. Source: CMS Provider of Services File (public domain).

Timestamp SHA-256 hashes in Bitcoin with OpenTimestamps: returns a standard .ots proof per hash (pending, complete within hours), verifiable without us

Rooftop solar estimate for a US address: system size, monthly and annual production (NASA POWER), utility rate (EIA-861 2024), installed cost (LBNL Tracking the Sun), payback, 25-year savings and the 2026 federal credit status.

Look up US import duty rates by HTS code or product description. Returns the base General (MFN) and Column 2 rates of duty from the official USITC Harmonized Tariff Schedule (public domain). Reference only: Section 301/232, IEEPA and other additional duties are not included.

Purchase dossier for the domain agentfive.ai: fixed price US$5,000,000 USD, every payment route (USDC on Base, escrow, marketplace), the transfer procedure and the seller's attestation. Use when an agent or its operator wants to buy this domain name.

Verify any US college by name or IPEDS UNITID. Returns tuition (in-state/out-of-state), selectivity (applicants, admit rate, yield), enrollment, and 150% graduation rate. Public-domain NCES IPEDS data.

Retrieve a public HTTPS URL from the US, Germany, Japan, Brazil, or India. Use HTTP mode for lightweight retrieval, or browser mode to render JavaScript pages. For pages with bot protection, set max_tier to L2 for managed unblocking at $0.05 USDC; L0/L1 costs $0.02 USDC. Returns the fetched body and an Ed25519-signed receipt for provenance.

Validate and standardize a delivery address: parsing, provider verification (US-optimized), geocoding and a deliverability score, as JSON. 0.02 USDC per call on Base. Useful before shipping to or storing an address.

Live SML GreenLight setup board: the dynamic US-equity universe (Alpaca most-actives and movers, Polygon volume surges and 20-day-high breakouts) ranked by multi-timeframe setup score, with price, day change, relative volume, best setup and per-timeframe trend/squeeze state (15m, 30m, 1h, 4h). Query: top (1-50, default 20).

Check whether a firm or person is a registered foreign agent under FARA (Foreign Agents Registration Act), and which foreign principals they represent. Returns registrant records with foreign principals, countries, registration dates, and active/terminated status. US DOJ FARA eFile bulk data (public).

Returns the most recent SEC Form 4 insider-transaction filings for a US-listed ticker, parsed from EDGAR ownership XML into normalized JSON: issuer, reporting owners, transactions with share counts and prices, and footnotes. Data source: SEC EDGAR public filings.

Verify a US healthcare provider by NPI or name against the CMS NPPES registry: entity type (individual/organization), primary taxonomy specialty, practice city/state, enumeration date, and active/deactivated status. Public CMS NPPES data. City/state only — no street addresses or phone numbers.

US oil and gas — WTI Brent Henry Hub refined products basin production rig count

Screen a US physician by NPI against CMS Open Payments (Sunshine Act) general-payment records. Returns total reported payments, payment count, top paying companies, natures of payment, and a factual volume verdict. Public-domain CMS data.

US Census Geocoder (keyless). POST {address} one-line and/or {street,city,state,zip?}. No match → 404 not charged.

US Federal Register documents search (keyless). POST {q|term}/{per_page?}. Empty -> 400 not charged. New gov/regulatory vertical.

US Federal Register agencies directory (keyless; disclose federal-register-documents). POST {q?|slug?}. Empty -> 400 not charged.

Generate a finished, professional invoice PDF from JSON — recipient and line items in, a ready-to-send application/pdf out. Layouts: standard, legal, creative. Totals and tax are computed server-side so the numbers always add up. First payment auto-creates a wallet profile (token + API key in response headers); returning wallets get sequential invoice numbering and can save a sender letterhead. US

US public company fundamentals from SEC EDGAR filings. Send a stock ticker (e.g. AAPL); get name, CIK, latest annual and quarterly revenue, net income and diluted EPS, balance sheet (cash, assets, liabilities, equity, long-term debt), shares outstanding and recent 10-K/10-Q/8-K links, every figure cited to SEC EDGAR (XBRL). Factual data only: no opinions or buy/sell ratings. Free sample: https://s

Print and mail physical US letters (PDF, HTML, Markdown, DOCX, or image) and postcards via USPS, paid in USDC — with certified/registered proof options and standalone address verification at POST /v1/verify. Integration flow: POST /v1/documents to upload, POST /v1/quotes to lock a fixed USDC price for a recipient, then pay the returned per-quote x402 URL to create and mail the piece. Price is fixe

Air quality via Open-Meteo (keyless). Lat/lon → us_aqi + pollutants. Attribution required. Data only.

Current FAA registration and change history for one US aircraft by tail number (N-number).

Give an autonomous agent what it structurally lacks: a real email address that receives verification codes, its own webhook URL, durable memory that survives between runs, and the ability to block on an event - an email, a webhook, a signal - without polling and without burning tokens while it waits, or to park its state, exit, and resume hours later exactly where it stopped. US$1.00 of prepaid cr

US Treasury FiscalData Debt to the Penny (keyless). POST {limit?}/{sort?}/{filter?}. Empty -> 400 not charged. Distinct treasury fiscal lane — disclose usaspending adjacency.

US Treasury par yield curve (1mo to 30yr, percent) for one date, or the latest if omitted. Weekend or holiday dates return the nearest prior business day with a note. Data from U.S. Treasury; not financial advice.

Search US federal contract awards from USAspending.gov (award ID, recipient name, amount, agency, description) by keyword, JSON, ≤25 rows, no API key. Unofficial; verify at source.

Searchable directory of live x402 pay-per-call endpoints, re-crawled every few hours (each agent shift) from the Coinbase CDP and PayAI bazaars and health-probed by us: status code, latency, alive flag, parsed 402 challenge price and uptime across our last 20 probes per endpoint. We operate this index and are listed in it (source: quietforge), under the same per-host cap as every operator and with

Markdown to a clean, print-ready PDF (US Letter or A4): one-pagers, checklists with tick boxes, cheat sheets, planner pages. Deterministic, no AI rewriting, up to 4 pages / 12k chars. Returns application/pdf.

falcon.sol: Use this when you need clean, comparable financial statements for a US public company without scraping 10-Ks. Send a ticker or CIK; get up to 15 fiscal years plus TTM of income statement, balance sheet and cash flow, key ratios, and the SEC XBRL tag behind every number. Unknown tickers return 404 before payment; free preview at /v1/preview. $0.015 USDC.