All projects on Base matching “verification”

Get an email address for your agent for one hour: name@agmail.shveik.dev, a name of your choice or a random one. Pay in stablecoins with x402 or MPP, no account and no card. Wait for the verification mail with one call and get the code or the link back. Receive only. Extend it by paying again.

General current-operation routing for permit/exemption/duty-of-care and Digital Waste Tracking review using the same deterministic engine as the MCP tool. Payment verification precedes deterministic execution. Not Environment Agency approval or legal advice.

Validate and standardize a delivery address: parsing, provider verification (US-optimized), geocoding and a deliverability score, as JSON. 0.02 USDC per call on Base. Useful before shipping to or storing an address.

Read one public https business site: name, offerings, hours, address/phone (markup or tel: only), contact/booking links, email_present (emails never returned), robots AI rules as written, llms.txt, info-only readiness score. As is; not advice or verification. $0.005 USDC x402. Max 3 requests.

Paid single sponsor-change impact preflight. Deterministic Skilled Worker sponsor-change impact preflight with official-source freshness gates. Payment verification precedes business execution. Not legal advice or a Home Office decision.

DNS and list based verification. Never claims that a mailbox exists without evidence: without an SMTP probe the verdict for a routable address is "unknown", not "valid".

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

AI exam scoring for agents: submit any text and get Accuracy, Compliance, and Engagement scores (0-100), a pass/fail verdict, and a summary. $0.05 USDC per exam. Use when you need independent verification of an agent's output quality before trusting or paying for it.

Visa and entry requirements for a passport/destination pair: requirement type, visa-free days, documents, fees, processing time, transit rules, passport validity, overstay penalties and embassy contacts. Answers travel compliance and passport restriction checks, in 15 languages, with the official source and verification date where that pair has been verified.

Business verification snapshot: state-registry status (NY/CO/PA/OR/CT), website-alive, address validation, phone plausibility -> verdict + confidence + flags. Not a credit report.

Fact verification — returns verdict, confidence, current truth

One screened human answers an approval, verification or judgment task: approve or reject, true or false, or a label, with a reason and the responder's disclosed identity. $1.25 at a 24-hour deadline. Answered by hand within the deadline or refunded in full automatically. Refused: CAPTCHAs, logins, third-party contact, medical, legal or financial advice.

Print and mail physical US letters (PDF, HTML, Markdown, DOCX, or image) and postcards via USPS, paid in USDC — with certified/registered proof options and standalone address verification at POST /v1/verify. Integration flow: POST /v1/documents to upload, POST /v1/quotes to lock a fixed USDC price for a recipient, then pay the returned per-quote x402 URL to create and mail the piece. Price is fixe

Evidence-backed company facts and current company information for company enrichment and company verification, with field-level sources, freshness and explicit conflicts.

Give an autonomous agent what it structurally lacks: a real email address that receives verification codes, its own webhook URL, durable memory that survives between runs, and the ability to block on an event - an email, a webhook, a signal - without polling and without burning tokens while it waits, or to park its state, exit, and resume hours later exactly where it stopped. US$1.00 of prepaid cr

Ownership verification over MCP for AI agents. The same check is free at https://api.tokenizen.nl/api/verify-ownership; this is the agent-native, discoverable version.

Paid evidence check for agents: signed record, machine-readable verification result, explicit unknowns, and a settlement receipt. A valid signature is not real-world truth.

Preflight any address on Base or Arc before paying or approving it: EOA vs contract vs EIP-7702-delegated wallet, EIP-1967 proxy implementation/admin, owner(), Safe multisig threshold, ERC-20 metadata, USDC + native balance, Sourcify verification, and risk flags.

Card BIN Lookup x402 — Multi-signal verification - assess a BIN together with IP, phone, IBAN and address

Company enrichment from domain — composite domain dossier: RDAP registration + DNS infrastructure signals, tech-stack detection, likely corporate email patterns + MX verification, and SSL/TLS certificate health for one domain, fused into a single response with an aggregated signals list. Lead data for B2B prospecting. One domain per call. Tiger Operations. Use when vetting a company or domain and

Full Base ERC-20 token safety report: honeypot / sell simulation with buy, sell and transfer tax and round-trip loss (Uniswap v2/v3/v4, Aerodrome, Pancake), owner powers with function names, proxy and upgrade admin, owner status, liquidity per pool and LP burn, holder concentration, verification, age, data sources and limits, plus SAFE / CAUTION / DANGER and a 0-100 score.

Contract Powers: for one address on Base/Polygon/Ethereum — verification, proxy pattern and implementation, who the admi

Payment-claim verification: checks a claimed Nano, Base USDC or Stacks (STX/SIP-010) payment against the public chain and returns a verdict with every read used

Paid premises-licence preflight. Evidence-first deterministic UK premises-licence decision with official-source freshness guards. Payment verification precedes business execution. Not licensing-authority approval or legal advice.

JSON canonicalization — canonicalize structured data with RFC 8785 JCS; return canonical JSON text, UTF-8 byte length, and SHA-256 hash for integrity checks, signature preparation, and deduplication. Includes an EIP-712 signed attestation. Use when an agent needs an idempotency key, cache key, dedup hash, or verifiable commitment. $0.002 per call. Free verification at POST /v1/verify.

Capture point-in-time URL facts, response headers, a text excerpt, and a SHA-256 content hash for research and verification.

Due-diligence report for an ERC-20 token on Base: contract verification, upgradeability, owner powers (mint, pause, blocklist, fees), DEX liquidity, pool age and holder concentration, with a 0-100 score and a plain-language summary.

Extract text from a digital PDF into page-numbered JSON with SHA-256 hashes. No account or API key. 0.005 USDC on Base per successful document via x402. Maximum 2 MiB and 25 pages. No OCR, summaries, URL fetching, or verification of document claims.

Real-time on-chain payment verification and check via Base RPC. Returns structured signals: verified status, amount, sender, recipient, transaction confirmation, block number. Pay $0.005 USDC per check. Covers payment, transaction, address, contract, score, signals.

Accounting, reconciliation and audit trail for autonomous agent spending. Record every x402 purchase as a receipt; each is matched against the on-chain USDC payment (Base, Solana), missing or unmatched payments are flagged, finance gets a monthly statement and CSV export, and daily batch fingerprints are anchored on a public ledger with a verification page per receipt. USD 1 per agent wallet per c