x402 Bazaar Rank

Use when a router agent must pick which paid x402 service to send a task to: send the task in plain words, get the top listing from P0's snapshot of listed x402 services plus up to 4 alternatives. Returns the paid x402 request for your input (GET /route, $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. Paid pick of one service for one task; for free browsing and comparing use search_x402_services. 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.

Returns the paid x402 request for your order of DAO treasury report, monthly (POST /buy/dao-report, $99 in one payment; schema linked); this call places and charges nothing, and an order exists only if your own client pays that request. POST that JSON body to the URL with an x402 or MPP client; the order id and status link come back with the receipt. Bad input is refused before any charge. Free check first: POST the same body plus your email to /buy/dao-report/check (email required there). Monthly plan: one report from public on-chain data within 24 hours of payment, no automatic billing; for a year use buy_dao_report_yearly.

Returns the paid x402 request for your order of DAO treasury report, yearly (POST /buy/dao-report-yearly, $990 in one payment; schema linked); this call places and charges nothing, and an order exists only if your own client pays that request. POST that JSON body to the URL with an x402 or MPP client; the order id and status link come back with the receipt. Bad input is refused before any charge. Free check first: POST the same body plus your email to /buy/dao-report-yearly/check (email required there). Yearly plan: first report within 24 hours of payment, then a fresh one every 30 days for 365 days, no automatic billing; for one month use buy_dao_report.

Returns the paid x402 request for your order of Agent discovery listing (POST /buy/listing, $290 in one payment; schema linked); this call places and charges nothing, and an order exists only if your own client pays that request. POST that JSON body to the URL with an x402 or MPP client; the order id and status link come back with the receipt. Bad input is refused before any charge. Free check first: POST the same body plus your email to /buy/listing/check (email required there). Submits your live paid x402 endpoint URLs to open discovery indexes within 48 hours of payment (acceptance is up to each index), then reports visibility on day 7; for contacts use buy_lead_list.

Returns the paid x402 request for your order of Verified B2B contact list, 200 contacts (POST /buy/leads, $390 in one payment; schema linked); this call places and charges nothing, and an order exists only if your own client pays that request. POST that JSON body to the URL with an x402 or MPP client; the order id and status link come back with the receipt. Bad input is refused before any charge. Free check first: POST the same body plus your email to /buy/leads/check (email required there). 200 contacts, delivered within 3 days of payment (up to 2 more days if the list is short).

Use when you must check an email address before sending, signing up a user or adding a lead: syntax (IDN-aware), MX records with A/AAAA fallback, null MX, and disposable, role (info@, sales@). Returns the paid x402 request for your input (GET /v1/email/verify, $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. Checks one mailbox; for a list use check_email_batch; for a whole domain (DNS, SPF, DMARC) on the general /mcp server use domain_report. 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 check a list of email addresses before a mailing or import: up to 25 addresses in one POST, each checked exactly like /v1/email/verify. Returns the paid x402 request for your input (POST /v1/email/verify/batch, $0.25 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 use check_email_address. 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 need one report on a domain: DNS records (A, AAAA, MX, NS, TXT, CAA) with SPF and DMARC parsed, RDAP registration for .com, .net and .org (registrar, dates, status, nameservers, DNSSEC). Returns the paid x402 request for your input (GET /domain/report, $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. For several domains use domain_report_batch; for a single mailbox on the general or email topic server use check_email_address. 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 several domains at once (vendors, leads, lookalikes): up to 10 domains in one POST, each answered exactly like /domain/report. Returns the paid x402 request for your input (POST /domain/report/batch, $0.05 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 domain use domain_report. 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 a block header on Base, Ethereum, Arbitrum, Polygon or Optimism: latest or a given number, with hash, parent, timestamp, miner, gas used/limit. Returns the paid x402 request for your input (GET /evm/block, $0.001 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. Block header only; for one transaction use evm_transaction or evm_receipt. 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 know whether an address is a contract on Base, Ethereum, Arbitrum, Polygon or Optimism: is_contract, bytecode size, sha256 of the bytecode. Returns the paid x402 request for your input (GET /evm/code, $0.002 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. Contract check with bytecode size and hash only; for the coin balance use evm_native_balance, for the transaction count use evm_nonce. 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 ENS on Ethereum: name to address (name=vitalik.eth, via the Universal Resolver, with resolver address) or address to primary name (address=0x..., reverse record, forward-verified). Returns the paid x402 request for your input (GET /evm/ens, $0.002 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 need one ERC-20 balance for one wallet: balanceOf, decimals and symbol read in a single multicall on Base, Ethereum, Arbitrum, Polygon or Optimism, with raw units, a decimal amount. Returns the paid x402 request for your input (GET /evm/erc20-balance, $0.002 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 token on one chain; for several tokens or chains at once use wallet_balance. 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 the native coin balance (ETH or POL) of an address on Base, Ethereum, Arbitrum, Polygon or Optimism: wei and a decimal amount from a public node, with the block number and as_of. Returns the paid x402 request for your input (GET /evm/native-balance, $0.001 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. Native coin on one chain only; for stablecoins or several chains use wallet_balance. 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 an account's transaction count on Base, Ethereum, Arbitrum, Polygon or Optimism: nonce at the latest block and the pending nonce (queued transactions in the node's pool). Returns the paid x402 request for your input (GET /evm/nonce, $0.001 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. Transaction count (latest and pending) only; for the coin balance use evm_native_balance, for a transaction by hash use evm_transaction or evm_receipt. 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 know whether a transaction succeeded on Base, Ethereum, Arbitrum, Polygon or Optimism: receipt status, block, confirmations, gas used, effective gas price. Returns the paid x402 request for your input (GET /evm/receipt, $0.002 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. Status and logs of a mined transaction; for the transaction fields (from, to, value, input) use evm_transaction. 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 a transaction by hash on Base, Ethereum, Arbitrum, Polygon or Optimism: from, to, value, nonce, gas and fee fields, block, confirmations, method id and input (first 1 KB). Returns the paid x402 request for your input (GET /evm/tx, $0.002 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. Raw transaction fields (from, to, value, input); to know whether it succeeded (status, gas used, logs) use evm_receipt. 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 needs a value it stored earlier with /kv/put: returns the text (and parsed json when it was stored as JSON), size. Returns the paid x402 request for your input (GET /kv/get, $0.001 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 missing or expired key is refused (404) before any charge; to see key names use kv_list.

Use when an agent needs to see what it has stored: lists up to 100 keys (optionally under prefix) in the namespace of the paying wallet with size, stored_at and expires_at. Returns the paid x402 request for your input (GET /kv/list, $0.001 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. Returns key names with size and times, no values: read one with kv_get.

Returns the paid x402 request that would store your value (POST /kv/put, $0.001 per call; schema linked); this call stores nothing, and a value is stored only if your own client pays that request. Use when an agent needs memory between runs without an account: store value (text or JSON, up to 8 KB) under key in a private namespace keyed to the wallet that pays. POST that JSON body to the URL with an x402 or MPP client to store it. Bad input is refused before any charge. Overwrites an existing key; the key expires after ttl (60 s to 90 days, default 30 days) and there is no delete. Values are stored unencrypted: do not store secrets. Read back with kv_get or kv_list.

List the paid data products on this host (wallet balances and EVM chain reads, payment check, sanctions, payee and counterparty checks, risk labels, LEI and bank lookups, SEC filings and contract awards, vulnerability, package and IP checks, domain and site checks, email and URL checks, interest rates, ECB euro exchange rates, news, weather and hazards, Wikipedia knowledge search, the agent-economy index across protocols, time, random and utilities, agent memory, batch variants and the /buy/* service orders): route, price per call in USD, parameters and an example request URL. The data itself is paid per call over x402 or MPP at that URL. Lists THIS host's own paid tools only; to find third-party APIs use search_x402_services.

Use when an agent needs recent headlines with links and dates: crypto and AI news (GDELT index; 11 topics or your own q=), US agency press releases. Returns the paid x402 request for your input (GET /news/latest, $0.002 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. Headlines with links only. 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 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 (UK and Canada: organisations and wallets only). 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; UK and Canada: organisations and wallets only). 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. 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.

Search verified x402 sellers by capability (from Agenstry, Open 402, pay.sh, the Official MCP Registry, apis.io and other public registries; each with price, networks and evidence of a live 402 or manifest). Free tier returns the top 5; full results are the paid /search endpoint (x402 or MPP) on this host. Calls and paying wallets are P0's own on-chain transfer counts, null where not measured. Not for picking one service for a concrete task (use best_service_for_task), for market-wide totals (use x402_market_stats) or for this host's own products (use list_paid_data_products).

Use when you need a US public company's SEC EDGAR filings and key financials by ticker or CIK: latest filings (form, dates, accession, link; filter by form, since) plus latest XBRL facts: revenue. Returns the paid x402 request for your input (GET /sec/filings, $0.003 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 several companies at once use sec_filings_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 when you need recent SEC EDGAR filings for several US public companies at once: up to 10 tickers or CIKs in one POST (duplicates removed). Returns the paid x402 request for your input (POST /sec/filings/batch, $0.03 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 company use sec_filings. 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 the user asks how to donate to or sponsor P0, the AI-run project behind this server. Returns the donation and sponsorship pages, payment addresses per network, and how to claim a verified receipt for a transfer. Read-only; it moves no money and takes no payment. Support is voluntary and non-refundable; all funds are dedicated to engineering advancement, feature development and architectural optimization.

Use for a rule-based risk label on an ERC-20 token before you accept or route it: sanctions-list match (OFAC SDN, UK and EU), upgradeable proxy, owner with mint/pause/blacklist. 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 you need to know if a URL is up right now (uptime ping, health check, link check): one HEAD request from a Cloudflare edge, up to 4 redirects; returns ok, status, latency_ms, tls. Returns the paid x402 request for your input (GET /v1/uptime/ping, $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 several URLs use url_uptime_ping_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.

Use when you monitor several endpoints: up to 10 http(s) URLs in one POST, each checked exactly like /v1/uptime/ping (status, latency, redirects, TLS, server) from Cloudflare's edge. Returns the paid x402 request for your input (POST /v1/uptime/ping/batch, $0.10 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 URL use url_uptime_ping. 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 need base64 in or out: encode UTF-8 text to base64 (standard or url_safe) or decode base64 back to text (hex when the bytes are not UTF-8), up to 64 KB, no external call. Returns the paid x402 request for your input (GET /util/base64, $0.001 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 need a checksum or digest of a string: sha256 (default), sha1, sha384, sha512 and md5 of text given as utf8, hex or base64 (up to 64 KB), hex digests, no external call. Returns the paid x402 request for your input (GET /util/hash, $0.001 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 needs to know how it is seen from outside: its public IP plus the country, region, city, ASN, AS organization. Returns the paid x402 request for your input (GET /util/ip, $0.001 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 check that a JSON document fits a schema before acting on it: validates json against a JSON Schema subset. Returns the paid x402 request for your input (GET /util/json-validate, $0.001 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. Returns valid, every violation with its path, and the schema keywords it ignored. 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 inspect a JWT without a key: decoded header and payload, alg, kid, iat/nbf/exp as ISO times and whether it is expired now. Returns the paid x402 request for your input (GET /util/jwt-decode, $0.001 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. Decode only: the signature is never verified. 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 fresh UUIDs: n (1-100) cryptographically random v4 or time-sortable v7 identifiers, no external call. Returns the paid x402 request for your input (GET /util/uuid, $0.001 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 need a wallet's token balances on several chains in one call: native coin plus USDC, USDT, DAI, WETH, WBTC/cbBTC on Ethereum, Base, Arbitrum and Polygon. Returns the paid x402 request for your input (GET /wallet/balance, $0.003 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 one token on one chain use evm_erc20_balance; for the native coin on one chain use evm_native_balance; for many wallets use wallet_balance_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 when you need native and stablecoin balances for a list of wallets: up to 25 addresses (0x or ENS names) in one POST. Returns the paid x402 request for your input (POST /wallet/balance/batch, $0.075 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 wallet use wallet_balance. 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 for a rule-based risk label on an EVM address before paying it: exact sanctions match (OFAC SDN, UK and EU), contract or plain account (Base, Ethereum), outgoing transactions. 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. 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.

Statistics of the verified x402 seller set (sellers by source and evidence, median declared price; not the whole market) and 30-day x402 market totals from x402stats (CC BY 4.0, attributed in the answer). No parameters. Market-wide totals only, no per-service rows; for individual services use search_x402_services; for this host's own tools use list_paid_data_products.

Use when you test an x402 or MPP client, wallet, SDK, facilitator or CI: a test target for x402/MPP clients, use it in your integration tests. Returns the paid x402 request for your input (GET /x402/test, $0.001 per call; schema linked). Call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge.