P0: sanctions, KYB and payee checks

Use when you need to screen a wallet address or a person/company name against sanctions lists before paying or trading: OFAC SDN, UK, EU, Canada and US CSL in one call. Returns the paid x402 request for your input (GET /sanctions/check, $0.005 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. Sanctions lists only (OFAC SDN, UK, EU, Canada, US CSL). Send address or name, not both. For a broader rule-based risk label use wallet_risk (addresses) or token_risk (tokens); for a list of addresses use sanctions_screening_batch; for a payee address before paying use check_payee; for a company or person with country or LEI use check_counterparty. With an access key (Authorization: Bearer p0k_..., buy at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) the tool pays the call itself, returns the data and deducts the price. First call each day returns the data itself, free; later calls return the paid request.

Use when you need to screen a list of wallet addresses against sanctions lists in one call: up to 25 per POST (0x, BTC, TRX, SOL and any other 20-128 character address). Returns the paid x402 request for your input (POST /sanctions/check/batch, $0.125 per call; schema linked). POST that JSON body to the URL with an x402 or MPP client to get the data. Bad input is refused before any charge. For one address or a name use sanctions_screening. With an access key (Authorization: Bearer p0k_..., buy at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) the tool pays the call itself, returns the data and deducts the price.

Use when you run sanctions monitoring and need what changed since your last run: entries added, removed and amended on OFAC SDN, UK, EU, Canada and US CSL since a date, one format, with list. Returns the paid x402 request for your input (GET /sanctions/changes, $0.02 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. With an access key (Authorization: Bearer p0k_..., buy at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) the tool pays the call itself, returns the data and deducts the price. First call each day returns the data itself, free; later calls return the paid request.

Use when you must vet a counterparty before paying or onboarding it: one call screens a name (and an optional wallet address) against OFAC SDN, UK, EU, Canada and US CSL. Returns the paid x402 request for your input (GET /check/counterparty, $0.015 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. A name, optionally with country, LEI or wallet address; for one payee address before paying use check_payee; for a plain list lookup of an address or name use sanctions_screening. With an access key (Authorization: Bearer p0k_..., buy at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) the tool pays the call itself, returns the data and deducts the price. First call each day returns the data itself, free; later calls return the paid request.

Use before an agent pays an address: one call screens the payee address against OFAC, UK, EU sanctions wallet entries, adds the rule-based wallet risk (EVM). Returns the paid x402 request for your input (GET /check/payee, $0.015 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. One payee address (0x EVM or Solana): sanctions wallet entries plus, for EVM, the rule-based wallet risk; for a person or company name use check_counterparty; for a list of addresses use sanctions_screening_batch. With an access key (Authorization: Bearer p0k_..., buy at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) the tool pays the call itself, returns the data and deducts the price. First call each day returns the data itself, free; later calls return the paid request.

Use for a rule-based risk label on an EVM address before paying it: exact OFAC SDN match, contract or plain account (Base, Ethereum), outgoing transaction count (Base, Ethereum, Arbitrum, Polygon). Returns the paid x402 request for your input (GET /wallet/risk, $0.01 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. For an ERC-20 token use token_risk; for the sanctions match of many addresses (all screened lists) use sanctions_screening_batch; for one payee address before paying, including Solana, use check_payee. With an access key (Authorization: Bearer p0k_..., buy at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) the tool pays the call itself, returns the data and deducts the price. First call each day returns the data itself, free; later calls return the paid request.

Use for a rule-based risk label on an ERC-20 token before you accept or route it: OFAC SDN match, upgradeable proxy, owner with mint/pause/blacklist (USDC, USDT, WBTC, cbBTC issuer-listed). Returns the paid x402 request for your input (GET /token/risk, $0.01 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. For a wallet (not a token contract) use wallet_risk. With an access key (Authorization: Bearer p0k_..., buy at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) the tool pays the call itself, returns the data and deducts the price. First call each day returns the data itself, free; later calls return the paid request.

Use when an agent must verify a company or find its LEI: by lei= the legal name, status, legal form, addresses, registration renewal date, direct and ultimate parent and BIC. Returns the paid x402 request for your input (GET /company/lei, $0.005 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. With an access key (Authorization: Bearer p0k_..., buy at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) the tool pays the call itself, returns the data and deducts the price. First call each day returns the data itself, free; later calls return the paid request.

Use when you must refresh or screen many companies by LEI (KYB, vendor or counterparty lists): up to 200 LEIs in one POST, read from GLEIF in one call: legal name, status, addresses. Returns the paid x402 request for your input (POST /company/lei/batch, $0.02 per call; schema linked). POST that JSON body to the URL with an x402 or MPP client to get the data. Bad input is refused before any charge. With an access key (Authorization: Bearer p0k_..., buy at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) the tool pays the call itself, returns the data and deducts the price. First call each day returns the data itself, free; later calls return the paid request.

Use when you keep a KYB/LEI register and need what changed since your last run: legal-entity records created, lapsed. Returns the paid x402 request for your input (GET /lei/changes, $0.02 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. With an access key (Authorization: Bearer p0k_..., buy at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) the tool pays the call itself, returns the data and deducts the price. First call each day returns the data itself, free; later calls return the paid request.

Use when an agent must identify or vet a US bank: by name or FDIC cert returns FDIC data: active or closed, charter class, regulator, city/state, website, total assets and report date. Returns the paid x402 request for your input (GET /bank/us, $0.005 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. With an access key (Authorization: Bearer p0k_..., buy at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) the tool pays the call itself, returns the data and deducts the price. First call each day returns the data itself, free; later calls return the paid request.