All projects matching “check”

ZayGuard Pre-Send Safety Check — an evidence-based transaction assessment: pay $0.05 USDC through x402 for a read-only Base or Arbitrum One transaction result; payment is collected on Base.

pinecone status right now: reads the vendor's public status page (status.pinecone.io); Statuspage-style pages give the overall indicator (none/minor/major/critical), description and active incidents with impact and last update; other pages are sniffed for operational/outage wording. Ask before blaming your own integration. $0.01 per check.

Given any public HTTP(S) URL, returns a measured liveness verdict - LIVE, PAUSED, GATED, CHALLENGED, DEGRADED, DEAD or UNKNOWN - with every reason carrying the source it was read from. The point is the case a status check misses: a front door answering 200 over a back end that stopped. Also sold at this origin: good ($149.00, POST /x402/good) - The x402 rail, ninety days - framed print, 24 x 36 in

Email address verification for AI agents: RFC 5322 syntax check, live MX/A DNS lookup, disposable-domain detection, role-address and free-mail-provider flags, typo suggestions (gmial.com -> gmail.com), normalized form and a low/medium/high risk score. One address or up to 20 per request, same price. No mailbox probing.

사업자등록번호를 넣으면 국세청 기준 사업자 상태(계속·휴업·폐업), 과세유형, 폐업일을 돌려줍니다. 한 번에 최대 100건, 인증키 불필요. Korea business registration status check: given Korean business registration numbers (사업자등록번호), returns the National Tax Service (NTS) status (active / suspended / closed), VAT taxpayer type and closure date, up to 100 numbers per call. Source: NTS via data.go.kr. (sample input)

Find out why an x402 endpoint isn't listed in the Coinbase CDP Bazaar: checks CDP's live index status and can make a real test payment.

Evaluate a used car before purchase. Compares the asking price with up to 50 current dealer listings in Canada or the U.S., matched by year, make, model, mileage and optional trim/location. Returns robust median and quartile pricing, deal rating, confidence, sample size and risk flags. Use for fast used-car price checks.

Agent Readiness Scan, full report: runs all 16 checks against a domain and returns the complete machine-readable results synchronously, plus a hosted report URL.

ScreenSeal — sanctions screening: a name checked against the OFAC SDN and EU FSF lists. Informational signal, not legal advice.

Checks whether a token contract address is real, matches its claimed symbol, and whether its supply figures match an independent source (CoinGecko) — before trading, coding, or reporting against it. Catches hallucinated/wrong addresses, address-poisoning impersonation, and tokenomics hallucination.

Discover active Base tokens ranked by momentum, liquidity, and volume. Returns machine-readable market metrics plus report freshness and follow-up risk-check links.

Checkup for x402 buyer clients. Pay once and get a field-by-field diagnosis of the payment your client signed (amount, recipient, validity window, clock offset, nonce, EIP-712 signature) and of the request that arrived, plus the facilitator's verify and settle results. Base mainnet payments get the full diagnosis; Base Sepolia payments get a preview with the status of each check only.

Resolve a company name or alias to its canonical legal identity — legal name, LEI, SEC CIK and tickers, jurisdiction, and entity status — by cross-checking GLEIF LEI records (CC0) and SEC EDGAR. Answers WHICH company a name refers to.

Risk scan for one Solana SPL token. Call it before buying, listing, accepting or recommending a token you have not vetted. Checks mint and freeze authority, holder concentration, liquidity and wash volume; pro also traces holder wallets for bot farms, shared funders and launch snipers. Returns NO_FLAGS, WATCH or RISKY with an AI summary. basic $0.02, pro $0.05. Scans that fail or have bad input ar

Operational trust rating (AAA to D, trust line BBB) of any x402 service, as of today: tier, outlook, flags, uptime, organic paying agents, settled USDC, centrality. Sybil-resistant, computed daily from on-chain settlement on Base, Polygon, Arbitrum and Solana plus a liveness probe. Check a service before paying it. Free today-only JSON: https://agenteconomy.report/s/<host>.json

Check whether an ENS identity name for an AI agent, API or MCP server is available on x402 Identity Hub (*.402bot.eth, *.402api.eth, *.402mcp.eth). Returns availability, the mint fee and where to register.

Email address check: verdict (deliverable_likely/risky/invalid) with reasons from syntax, MX/A records, disposable-provider list, role address, free provider, typo suggestion, SPF/DMARC/DKIM and domain age. Use when an agent is about to send to, sign up, or accept an email address and wants to avoid bounces, throwaway or mistyped addresses. One address per call; no SMTP mailbox probing.

Verify a JSON Web Token's signature and claims against a shared secret (HS*) or a PEM public key (RS/ES/PS). Returns { valid, payload } on success or { valid: false, reason } for a bad signature, expired/not-yet-active token, or a failed issuer/audience/subject check. Pass `algorithms` to pin the accepted signing algorithms and prevent algorithm-confusion attacks.

Run ONE named check against a response you paste

Avoid unnecessary browser launches with a lightweight preflight for AI agents. ZeroWorker inspects public pages before browser automation and returns static forms, field constraints, CAPTCHA/SPA signals, DNS/public-network safety checks, and a 3-state routing verdict: http_candidate, browser_likely, or undetermined. Use it to choose direct HTTP or escalate to a browser. No API key required. $0.003

Check an npm package, PyPI package, or GitHub repo and return a DepScout install verdict.

Checks a list of payment records for common reconciliation bugs: payments marked settled without an on-chain reference, payer or payee stored as a display name instead of an address, idempotency keys that let the same payment through twice, and ledger counts that differ from the chain scan. Returns the findings per row.

Check a public website's security hygiene before your agent links to it, recommends it, or sends data to it. One URL in, deterministic JSON out: HTTPS and redirect chain, HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, security.txt, robots.txt, sitemap.xml, plus plain-language notes. Private, localhost and raw-IP targets are rejected; error responses are no

Validates an 18-digit Mexican CLABE (sent as a JSON body, not a query param): check digit, bank identification (Banxico/SPEI catalog), plaza, and account number.

Pre-payment counterparty risk check for AI agents: OFAC sanctions (names, aliases, wallets), domain age and email authentication, vendor and executive impersonation domains, routing/IBAN/SWIFT/wallet validation, and invoice-fraud signals. Returns proceed/review/block, explained findings and a signed receipt.

Real-time product price lookup from a public e-commerce product URL. Use for product price checks, price monitoring, price comparison, shopping agents, ecommerce research, retail workflows, deal finding, and target-price tracking.

One-authority deterministic England taxi-private-hire licensing preflight for a supported authority. Use for applicant, driver, vehicle, or operator blocker checks, missing-input identification, and the next evidence-gated action before submission or onboarding. This tool does not compare authorities. Deterministic England taxi/private-hire licensing decision with official-source evidence and per-

Check whether a wallet currently holds a valid, unexpired Wicked Identity agent-liveness assertion.

Pre-transaction counterparty check for an EVM wallet or contract: OFAC SDN screening, GoPlus malicious-address flags (phishing, drainers, laundering, mixers ...), and a live on-chain profile (EOA / contract / EIP-7702, nonce, balance, ENS, first transaction, contract verification). Returns risk_level, a plain recommendation (do_not_transact / review_before_transacting / no_red_flags_found), every

DeAI artifact gateway: reuse (package_check). Deterministic JSON with byte-exact quotes for $0.0100; no crawl, no bot walls.