Genesis402 by UnyKorn (x402 pay-per-call)

Paid ($0.002$0.003 USDC). Registry data for one domain via ⟨80 unchanged words⟩ 

Free, no payment.payment, read-only and idempotent. Fetches one paid-call receipt by id from the rail's public receipts feed, (twin.unykorn.org/receipts) to confirm that a paid call was paidsettled and delivered. Use after any paid call, or to verifycheck a genesis402_prove receipt, using the receipt id returned with that result. It does not list or anysearch paidreceipts; callyou later.need Read-onlythe andexact idempotent.id. Returns the receipt exactly as JSONpublished: the task called, oramount in USD, payment rail, settlement transaction hash, settler, payer and timestamp. An unknown id returns an error with the HTTP status if the404; idnothing is notcharged found.either way.

Free.Free, Everyno payment. Lists every Genesis402 endpoint with price,its titlename, HTTP path, USD price, title and parametersparameter schema, read from the live /.well-known/x402 manifest. Call first.this first to find the right endpoint name and parameters for genesis402_call; the dedicated genesis402_* tools cover the most used endpoints directly. Read-only. Returns the total count, the matches and the current payer mode.

 ⟨6 unchanged words⟩ "filter":{"description":"Optional keyword to filternarrow bythe list, matched against endpoint name, title orand tagtags, e.g. defi\"defi\", sec\"sec\", xrpl,\"price\". wallet.Omit for all endpoints.","maxLength":60,"type":"string"} ⟨2 unchanged words⟩ 

 ⟨6 unchanged words⟩ ":{"endpoints":{"description":"Matching endpoints with, priceat andmost parameters.400.","items":{"additionalProperties":truefalse,"properties":{"name":{"description":"Endpoint name to pass to genesis402_call.","type":"string"},"parameters":{"description":"Parameter schema from the manifest."},"path":{"description":"HTTP path on the rail.","type":"string"},"price_usd":{"description":"Price per call in USD, null if the manifest carries none.","type":["number","null"]},"title":{"description":"Short human title.","type":"string"}},"required":["name ⟨5 unchanged words⟩ :"array"},"matched":{"description":"EndpointsNumber of endpoints matching the filter.","type":"numberinteger"},"origin":{"description":"The rail'sRail

BestFind DeFi yields

Paid ($0.01 USDC). BestRanked DeFi yieldsyield pools from DefiLlama (15,000+ pools), filterable by chain, protocol, token, stablecoin-only and minimum TVL. Use to answer 'where is the best yield for X'. For other DeFi or market data search genesis402_catalog and call the endpoint through genesis402_call. All filters are optional and combine with AND; with none set it returns the top pools above $1M TVL. Returns up to limit pools, each with protocol, chain, symbol, TVL, base APY vs reward APY, 30-day mean APY, impermanent-loss risk, exposure and DefiLlama's outlook class. APYs are variable and backward-looking; not investment advice. Payment: call once without payment_signature to get the exact price quote (nothing is charged or signed), then call again with the signed payment to receive the result and settlement details.

 ⟨5 unchanged words⟩ properties":{"chain":{"description":"Filter byto one chain by name, e.g. Ethereum, Base, Arbitrum,Arbitrum. Solana.Omit for all chains.","maxLength":40,"type":"string"},"limit":{"description":"NumberHow ofmany pools to return, 1-100.1 to 100.","maximum":100,"minimum":1,"type ⟨2 unchanged words⟩ ":{"description":"Minimum pool TVL in USD,US e.g.dollars 1000000.as a plain number. Defaults to 1000000 ($1M) when omitted.","type":"number"},"payment_signature":{ ⟨15 unchanged words⟩ value). Omit to get the price quote first.first; nothing is charged without it.","maxLength":8000,"type":"string"},"project":{"description":"Filter byto

 ⟨5 unchanged words⟩ ,"properties":{"also_accepted_networks":{"description":"OtherQUOTE_ONLY: paymentevery networksnetwork thisthe endpoint402 challenge accepts.","items":{"type":"string"},"type":"array"},"how_to_pay":{"description":"HowQUOTE_ONLY: how to paysign forand thisresend the call.","type":"string"},"mode":{"description":"QUOTE_ONLY: whenprice noquote payment

Email/domainCheck email or domain deliverability

Paid ($0.002 USDC). Email/domainDeliverability deliverability:and trust check for an email address or domain. Use to vet a signup email or an inbound sender. For the domain's registration age and registrar use genesis402_whois. Returns whether it can receive mail (MX), the hosting provider, SPF, and DMARC records and policy, disposablea disposable-domain flag, and a 0-5 trust score. DNS-only: no SMTP probe, no email sent, the mailbox is never contacted. Payment: call once without payment_signature to get the exact price quote (nothing is charged or signed), then call again with the signed payment to receive the result and settlement details.

 ⟨5 unchanged words⟩ ,"properties":{"email_or_domain":{"description":"AnA full email address (user@domain.com) or a bare domain (domain.com), e.g.without jane@acme.comscheme or acme.com.path.","maxLength":320,"type":"string"} ⟨16 unchanged words⟩ value). Omit to get the price quote first.first; nothing is charged without it.","maxLength":8000,"type":"string"} ⟨4 unchanged words⟩ 

 ⟨5 unchanged words⟩ ,"properties":{"also_accepted_networks":{"description":"OtherQUOTE_ONLY: paymentevery networksnetwork thisthe endpoint402 challenge accepts.","items":{"type":"string"},"type":"array"},"how_to_pay":{"description":"HowQUOTE_ONLY: how to paysign forand thisresend the call.","type":"string"},"mode":{"description":"QUOTE_ONLY: whenprice noquote payment

Extract JSON fields asfrom JSONtext

Paid ($0.006 USDC). ExtractPull YOURthe fields fromyou anydefine out of unstructured text as JSON;JSON. missingAnything fieldsthe aretext does not state comes back null, never invented. Use to turn emails, invoices, contracts or listings into structured data. To get a web page's text first use genesis402_web_extract. The field descriptions steer the extraction, so include units and formats (e.g. "ISO date", "number in USD"). Returns one JSON object with exactly your keys, each holding the extracted value or null. Payment: call once without payment_signature to get the exact price quote (nothing is charged or signed), then call again with the signed payment to receive the result and settlement details.

 ⟨8 unchanged words⟩ :{"type":"string"},"description":"MapUp ofto field30 namefields: an object mapping each output key to a short description of what it should hold, including unit or format, e.g. { \"invoice_total\": \"total amount due\due in USD, number\", \"due_date\": \"ISO date\" }.","type":"object"},"payment_signature" ⟨15 unchanged words⟩ value). Omit to get the price quote first.first; nothing is charged without it.","maxLength":8000,"type":"string"},"text":{"description":"The source text to extract fromread, (up to 16,000 characters).characters. Trim longer input first.","maxLength":16000,"type":"string"} ⟨5 unchanged words⟩ 

 ⟨5 unchanged words⟩ ,"properties":{"also_accepted_networks":{"description":"OtherQUOTE_ONLY: paymentevery networksnetwork thisthe endpoint402 challenge accepts.","items":{"type":"string"},"type":"array"},"how_to_pay":{"description":"HowQUOTE_ONLY: how to paysign forand thisresend the call.","type":"string"},"mode":{"description":"QUOTE_ONLY: whenprice noquote payment

10-chainScan walletaddress scanacross 10 EVM chains

Paid ($0.008 USDC). OneSweeps callone address across 10 EVM chains forat aonce singleand reports where it is actually active. Use to find which networks an address uses before drilling into one chain. No risk scoring or sanctions check: for that use genesis402_wallet_brief. Returns, per chain, the native balancesbalance, the number of transactions sent and activitywhether percontract chain.bytecode is deployed; chains whose RPC did not answer are listed separately, never counted as inactive. Activity is inferred from nonce, balance and code, so an address that only ever received tokens can show a zero nonce; check its balance field. Public on-chain data with sources and an evidence hash. Payment: call once without payment_signature to get the exact price quote (nothing is charged or signed), then call again with the signed payment to receive the result and settlement details.

 ⟨5 unchanged words⟩ ,"properties":{"address":{"description":"The EVM address to scan, 0x followed by 40 hex characters. Checksum case is optional.","pattern":"^0x[0-9a-fA-F]{40}$" ⟨18 unchanged words⟩ value). Omit to get the price quote first.first; nothing is charged without it.","maxLength":8000,"type":"string"} ⟨4 unchanged words⟩ 

 ⟨5 unchanged words⟩ ,"properties":{"also_accepted_networks":{"description":"OtherQUOTE_ONLY: paymentevery networksnetwork thisthe endpoint402 challenge accepts.","items":{"type":"string"},"type":"array"},"how_to_pay":{"description":"HowQUOTE_ONLY: how to paysign forand thisresend the call.","type":"string"},"mode":{"description":"QUOTE_ONLY: whenprice noquote payment

SignedIssue a signed proof receipt

Paid ($0.25 USDC). AIssue signedone Ed25519Ed25519-signed, hash-chained receipt bindingrecording yourthat a SHA-256 digest (existed at the time of payment. Use as a cheap timestamped proof that you held a document or statement. To look the receipt up later use genesis402_receipt (free). Send text (hashed by the rail, labelled OBSERVED) andor optionala claimsha256 you computed yourself (labelled ATTESTED; keeps the content private), not both. Returns the receipt bound to ayour settledpayment payment.transaction, with its truth labels and limitations. It verifies offline with the open verifier at github.com/FTHTrading/402-truth. The rail stores the receipt, signaturenever checksyour offline;bytes. Not externally anchored on a public blockchain yet. Payment: call once without payment_signature to get the receiptexact chainprice quote (nothing is notcharged externallyor anchored.signed), then call again with the signed payment to receive the result and settlement details.

 ⟨6 unchanged words⟩ "claim":{"description":"Optional short statement bound into the signed receipt, up to include512 incharacters, e.g. 'Draft v2 of the receipt.purchase agreement'.","maxLength":512,"type":"string"} ⟨16 unchanged words⟩ value). Omit to get the price quote first.first; nothing is charged without it.","maxLength":8000,"type":"string"},"sha256":{"description":"Lowercase hex SHA-256 digest (64 characters) of the content to bind.prove. GiveProvide sha256this or text.text, not both.","pattern":"^[0-9a-f]{64}$","type":"string"},"text":{"description":"TextRaw UTF-8 text to hash and bindprove

 ⟨5 unchanged words⟩ ,"properties":{"also_accepted_networks":{"description":"OtherQUOTE_ONLY: paymentevery networksnetwork thisthe endpoint402 challenge accepts.","items":{"type":"string"},"type":"array"},"how_to_pay":{"description":"HowQUOTE_ONLY: how to paysign forand thisresend the call.","type":"string"},"mode":{"description":"QUOTE_ONLY: whenprice noquote payment

Free.Free, Ano payment. Fetches one paid-call receipt by id from the rail's public receipts feed.feed, to confirm a call was paid and delivered. Use to verify a genesis402_prove receipt or any paid call later. Read-only and idempotent. Returns the receipt as JSON, or an error with the HTTP status if the id is not found.

 ⟨5 unchanged words⟩ ,"properties":{"receipt_id":{"description":"ReceiptThe receipt id exactly as returned bywith a paid call.call result or by genesis402_prove, 4 to 80 characters.","maxLength":80,"minLength":4,"type ⟨5 unchanged words⟩ 

{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"resultreceipt":{"additionalProperties":{},"description":"The receipt record.exactly as published on the rail's receipts feed.","type":"object"},"receipt_id":{"description":"The id that was looked up.","type":"string"}},"required":["receipt_id","receipt"],"type":"object"}

Sanctions-listScreen screenaddress against sanctions lists

Paid ($0.008 USDC). Public-data sanctions-listList signallookup for one address: on any chain against OFAC SDN digital-currency entries and, community blocklists.scam-address Riskblocklists and the Blockchain Fraud case registry. Use as a fast, cheap first gate on a counterparty address. For balances plus sanctions resultsplus area automatedsummary heuristicon signalsan fromEVM publicaddress data.use Theygenesis402_wallet_brief. areReturns notwhether KYCany list matched, and for every list consulted its dataset name, fetch URL and entry count, plus an evidence hash. A hit means the address appears on a published list; absence from every list is not a clearance. Not a compliance determinationdecision, andnot a finding about any person, not legal advice. Payment: call once without payment_signature to get the exact price quote (nothing is charged or signed), then call again with the signed payment to receive the result and settlement details.

 ⟨5 unchanged words⟩ ,"properties":{"address":{"description":"AnyThe chain'scrypto address (EVM,to BTCscreen, TRON,on SOLany chain, XRPexactly andas otherswritten on that chain (4 to 120 characters, no spaces).","maxLength":120,"minLength":4, ⟨18 unchanged words⟩ value). Omit to get the price quote first.first; nothing is charged without it.","maxLength":8000,"type":"string"} ⟨4 unchanged words⟩ 

 ⟨5 unchanged words⟩ ,"properties":{"also_accepted_networks":{"description":"OtherQUOTE_ONLY: paymentevery networksnetwork thisthe endpoint402 challenge accepts.","items":{"type":"string"},"type":"array"},"how_to_pay":{"description":"HowQUOTE_ONLY: how to paysign forand thisresend the call.","type":"string"},"mode":{"description":"QUOTE_ONLY: whenprice noquote payment

Get SEC company fundamentalsfinancials

Paid ($0.01 USDC). As-reported fundamentals for aone USSEC publicfiler from XBRL company fromfacts. Use for quick fundamentals without a data vendor. For other SEC XBRLdata (search genesis402_catalog for "sec" and use genesis402_call. Give ticker or cik; one is required. Returns the latest annual and latest quarterly values for revenue, net income, operating income, total assets, liabilities, equity, cash, operating cash flow and diluted EPS, each with period end and filing date. Missing tags are marked unavailable, never estimated. Not investment advice. Payment: call once without payment_signature to get the exact price quote (nothing is charged or signed)., then call again with the signed payment to receive the result and settlement details.

 ⟨5 unchanged words⟩ properties":{"cik":{"description":"SEC CIKCentral numberIndex Key, digits only, up to 10, e.g. 320193. GiveProvide tickerthis or cik.ticker.","maxLength":10,"type":"string"} ⟨16 unchanged words⟩ value). Omit to get the price quote first.first; nothing is charged without it.","maxLength":8000,"type":"string"},"ticker":{"description":"Stock ticker, e.g. COIN or AAPL. GiveProvide tickerthis or cik.","maxLength":60,"type": ⟨3 unchanged words⟩ 

 ⟨5 unchanged words⟩ ,"properties":{"also_accepted_networks":{"description":"OtherQUOTE_ONLY: paymentevery networksnetwork thisthe endpoint402 challenge accepts.","items":{"type":"string"},"type":"array"},"how_to_pay":{"description":"HowQUOTE_ONLY: how to paysign forand thisresend the call.","type":"string"},"mode":{"description":"QUOTE_ONLY: whenprice noquote payment

Token pre-trade checkbrief

Paid ($0.03 USDC). Token pre-tradePre-trade check for one ERC-20 token contract in ONEa single call: metadataname, symbol, decimals and supply, current USD price, holdertop-holder concentration, verificationsource-verification status and a sanctions-list check on the contract address. Use before buying, sanctions.listing or accepting an unfamiliar token. For a wallet rather than a token use genesis402_wallet_brief. Returns each part with its sources (unreadable parts are marked unavailable, never zeroed) and an evidence hash. Signals only, not investment advice. Payment: call once without payment_signature to get the exact price quote (nothing is charged or signed), then call again with the signed payment to receive the result and settlement details.

 ⟨5 unchanged words⟩ ,"properties":{"chain":{"description":"Optional chain name,Chain e.g.the ethereum,token base,contract polygon,lives arbitrum.on. Defaults to ethereum.base when omitted.","maxLengthenum":24["base","ethereum","polygon","arbitrum","optimism"],"type":"string"},"contract":{"description":"TokenThe ERC-20 token contract address, 0x followed by 40 hex characters. Must be the token contract, not a holder's wallet.","pattern":"^0x[0-9a-fA-F]{40}$" ⟨18 unchanged words⟩ value). Omit to get the price quote first.first; nothing is charged without it.

 ⟨5 unchanged words⟩ ,"properties":{"also_accepted_networks":{"description":"OtherQUOTE_ONLY: paymentevery networksnetwork thisthe endpoint402 challenge accepts.","items":{"type":"string"},"type":"array"},"how_to_pay":{"description":"HowQUOTE_ONLY: how to paysign forand thisresend the call.","type":"string"},"mode":{"description":"QUOTE_ONLY: whenprice noquote payment

Paid ($0.03 USDC). WalletFull risk signalsbrief for one EVM wallet in ONEa single call: public sanctions-list check +(OFAC 10-chainSDN digital-currency entries), native balance and activity scan +across 10 EVM chains, recent activity +on summarythe chosen chain and a plain-language summary. Use before sending funds to, or accepting funds from, an unknown address. For a sanctions check alone use genesis402_screen_sanctions (cheaper, any chain); for balances without risk signals use genesis402_multi_chain_scan; for a token contract use genesis402_token_brief. Returns each part with its own sources (a part that cannot be read is marked unavailable with the reason, never zeroed) and an evidence hash.hash over all parts. Heuristic signals from public data: not KYC, not a compliance determination, not legal advice. Payment: call once without payment_signature to get the exact price quote (nothing is charged or signed), then call again with the signed payment to receive the result and settlement details.

 ⟨5 unchanged words⟩ ,"properties":{"address":{"description":"The EVM wallet address to check, 0x followed by 40 hex characters. Checksum case is optional.","pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"chain":{"description":"Optional EVM chain name to focus on, e.g. ethereum, base, polygon,or arbitrum.base. DefaultsOmit to ethereum.cover all supported chains.","maxLength":24,"type":"string"} ⟨16 unchanged words⟩ value). Omit to get the price quote first.first; nothing is charged without it.","maxLength":8000,"type":"string"} ⟨4 unchanged words⟩ 

 ⟨5 unchanged words⟩ ,"properties":{"also_accepted_networks":{"description":"OtherQUOTE_ONLY: paymentevery networksnetwork thisthe endpoint402 challenge accepts.","items":{"type":"string"},"type":"array"},"how_to_pay":{"description":"HowQUOTE_ONLY: how to paysign forand thisresend the call.","type":"string"},"mode":{"description":"QUOTE_ONLY: whenprice noquote payment

WebExtract pagetext tofrom cleana textweb page

Paid ($0.004 USDC). AnyServer-side fetch of one public web page, returned as clean text,readable text. Use when you need a page's actual content. To pull specific fields out of the result use genesis402_extract_json; for domain registration facts use genesis402_whois. Returns the title, meta description, readable text with markdown-style headings (capped at max_chars), up to 40 headings, up to 50 absolute links, the final URL after redirects and links.a SHA-256 of the fetched bytes. No JavaScript is executed, so client-rendered pages may come back thin. Private or internal addresses are refused, and pages behind a login or paywall are not accessible. Payment: call once without payment_signature to get the exact price quote (nothing is charged or signed), then call again with the signed payment to receive the result and settlement details.

{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"include_links":{"description":"Include the page's links in the result. Defaults to true; set false for text only.","type":"boolean"},"max_chars":{"description":"CapMaximum oncharacters returnedof page text lengthto return, 500-60500 to 60,000000. characters.Defaults to 20,000. Text past the cap is cut off.","maximum":60000,"minimum":500,"type ⟨17 unchanged words⟩ value). Omit to get the price quote first.first; nothing is charged without it.","maxLength":8000,"type":"string"},"url":{"description":"Public http(s)Full URL toof fetch.one public page, starting with http:// or https://.

 ⟨5 unchanged words⟩ ,"properties":{"also_accepted_networks":{"description":"OtherQUOTE_ONLY: paymentevery networksnetwork thisthe endpoint402 challenge accepts.","items":{"type":"string"},"type":"array"},"how_to_pay":{"description":"HowQUOTE_ONLY: how to paysign forand thisresend the call.","type":"string"},"mode":{"description":"QUOTE_ONLY: whenprice noquote payment

DomainLook WHOISup domain registration (RDAP)

Paid ($0.002 USDC). DomainRegistry data for one domain via RDAP. Young domains are a common phishing and fraud signal. Use to vet a website or counterparty domain. For mail setup (MX, SPF, DMARC) use genesis402_email_check; for page content use genesis402_web_extract. Returns registrar, registration and expiry dates, domain age in days, days to expiry, status andcodes, nameservers viaand RDAPDNSSEC (youngstate. domainsPayment: arecall aonce fraudwithout signalpayment_signature to get the exact price quote (nothing is charged or signed)., then call again with the signed payment to receive the result and settlement details.

 ⟨5 unchanged words⟩ ,"properties":{"domain":{"description":"DomainThe namedomain to look up, e.g. example.com. No scheme (https://), path or port.","maxLength":260,"type":"string"} ⟨16 unchanged words⟩ value). Omit to get the price quote first.first; nothing is charged without it.","maxLength":8000,"type":"string"} ⟨4 unchanged words⟩ 

 ⟨5 unchanged words⟩ ,"properties":{"also_accepted_networks":{"description":"OtherQUOTE_ONLY: paymentevery networksnetwork thisthe endpoint402 challenge accepts.","items":{"type":"string"},"type":"array"},"how_to_pay":{"description":"HowQUOTE_ONLY: how to paysign forand thisresend the call.","type":"string"},"mode":{"description":"QUOTE_ONLY: whenprice noquote payment