International postal tracking number check (UPU S10 format, e.g. RR123456785GB): validates the 8-digit serial with the S10 check digit, decodes the service type from the first letter (EMS, registered, parcel, insured...), names the origin postal country from the last two letters, and returns tracking links (origin post and multi-carrier trackers). It does not read the item's live scan history.

Check whether a phone number appears in criminal marketplace infrastructure or pivots to known scam wallets, kits, or actors, and whether its SIM was recently swapped (Twilio Lookup v2, cached 24h). Returns a high, medium, or unknown verdict with timestamped evidence reasons.

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

Port state control detentions published by the Tokyo MOU (Asia-Pacific) for a month: IMO number, ship name, flag, build date, tonnage, type, class society, recognised organisations, company, place and dates of detention and release, and every detainable deficiency (code, area, item, RO responsibility). Filter by flag (2-letter code), IMO number or port.

US Class I rail traffic: carloads or intermodal units per period from FRED (series RAILFRTCARLOADSD11 / RAILFRTINTERMODALD11, AAR data), latest values and recent history. National totals only: there is no corridor-by-corridor status in this source.

Searches the US OFAC Specially Designated Nationals (SDN) list for vessels by name or IMO number and returns matching vessel entries (sanctions programs, flag, vessel type, owner, gross tonnage, call sign, IMO, aliases), via the US Consolidated Screening List. Only the OFAC SDN list; not the UN, EU or UK lists, and an empty result is not a clearance.

CipherOwl ExpressScan Basic: direct-address risk check. One address per request. Seven-day same-address rechecks. Website: https://x402.cipherowl.ai. Response example is illustrative, not a live result or valid payment receipt.

Teardrop crypto research agent over A2A: ask in plain language about token prices, DeFi yields and lending, wallet portfolios, approvals and counterparty risk, or onchain transactions; the agent plans and runs Teardrop's onchain data tools and returns a completed task. Pay per task with x402 USDC on Base.

Is this x402 seller actually paid, compared with every other one? One row out of our weekly read of every seller on Base, where all of them get the SAME window, so the number means the same thing seller to seller. Give a payTo address: verdict (paid, single-payer, self-funded, dust-only, silent), payers, how many the seller itself funded, USDC in. Call counts are not payments; of 1 397 sellers read both ways, 312 are called and paid nothing.

Exit-liquidity and price-trust assessment for a Base ERC-20 token at a requested USD position size. On-chain sell quotes cover Aerodrome, Slipstream, and Uniswap V2/V3/V4. Returns tradeable, caution, illiquid, or unverified with executable proceeds, price impact, confidence, concerns, and unmeasured checks. Inputs: token address and size_usd.

Deterministic structural failure inspection of a caller-declared control mesh. Structural evidence only; never authorizes execution. 0.01 USDC per request.

Daily Suez Canal transit counts and dwell/idle times derived from AIS, from the Asian Development Bank dataset on HDX. The file in this source ends in April 2021, so the tool reports that end date; it has no live convoy queue.

Sharpe Nova OS pre-execution state ping for an agent-prepared capital action. Use case: determine if current decision context is still current for review. Question answered: is the relevant context state still current enough for review. Bounded context for local-authority review only; Nova does not approve, authorize capital, or execute.

Drewry World Container Index (WCI) composite spot rate per 40ft container (USD), its weekly date and change, read from Drewry's public WCI page. Composite only: the route-level Shanghai-Rotterdam and Shanghai-Los Angeles values are not extracted.

DryScout01 Hello by RunMyData: paid x402 connectivity check on Base mainnet ($0.001 USDC). Returns {"status":"ok"}.

UN/LOCODE location lookup by 5-character code (country + place, e.g. FIHEL): name, subdivision, status, port/rail/road/airport functions, IATA code and coordinates. Data is the UN/LOCODE list as mirrored on DataHub (ODC-PDDL), not the UNECE site itself.

Daily vessel transits through the Malacca Strait chokepoint, counted by ship type with capacity, from IMF PortWatch (ArcGIS, AIS-derived). Not VTS telemetry; transit counts only, and the latest date lags real time.

E-commerce price drops and restocks: change events detected between daily crawls of ~500 Shopify brand stores. type = price_drop, price_rise, restock, sellout, new_product, removed (comma list; default price_drop,restock). Filter by domain, category (apparel, beauty, electronics, supplements, home, outdoor, jewelry, pets, toys) or brand; days 1-30 (default 7); limit up to 500. Each event has store, brand, product, variant, old and new price, change % and URL. Use it for deal alerts, competitor price monitoring and restock watching

The EIP-155 chain ID for any supported network via eth_chainId — the read multi-chain agents make to confirm which chain an RPC is on before signing. Across Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis. Free public RPC; 6 chains vs onesource's Ethereum-only coverage. List your own x402 service on bazaar.agentexchange.work/listings: 1 USD, 30 days, live at once, no account.

Conservatively repair common JSON syntax errors (unquoted keys, single-quoted strings, trailing commas) and parse the result; input is never evaluated as code.