All projects on Base matching “verification”

France: French company verification (KYB) by SIREN in one call. Legal identity, intra-EU VAT number checked live in VIES, active/closed status, age, activity, headcount, establishments, insolvency proceedings from BODACC (safeguard, receivership, liquidation, closure), RGE/Qualiopi labels. Returns an explained verdict (favorable / vigilance / unfavorable) with stable, sourced signal codes. Officia

Deterministic JSON evidence checks with signed verification evidence

Read-only native Circle USDC transfers across six EVM chains and Solana.

WhiteMagic continuity-receipt verification: POST a signed receipt bundle and receive a verdict (TRUSTED / PROVISIONAL / INSUFFICIENT_EVIDENCE / UNTRUSTED) with coded errors and an optional signed verification receipt. Verification is stateless, offline-verifiable, and fail-closed; keyless /health, /info, /revocations and GET /anchors remain free.

Italian company registry lookup, verification and KYB pre-check using official/public sources: Registro Imprese / InfoCamere HVD, VIES, GLEIF, OpenCoesione and AGCM where applicable. Search by Codice Fiscale, Partita IVA or LEI. Returns normalized identity, status, legal form, address, NACE/ATECO, source timestamps and VAT verification. For supplier verification, procurement, due diligence and com

DNS TXT record lookup — a domain's TXT records as a clean JSON list: SPF, DKIM and DMARC policy strings plus site-verification and domain-ownership tokens, for email-authentication and domain-verification checks.

Load when an agent needs pre-action verification of factual claims — multi-source confidence scoring with JWS-signed receipt, offline-verifiable per draft-krausz-verification-state. $0.02 USDC per query on Base.

Twitter/X user profile lookup by username — the full public profile as JSON: display name, bio, follower and following counts, verification status, avatar, location, join date and pinned post. For influencer vetting, audience research and account enrichment.

Compile 1-8 documents into a token-budgeted context pack, then measure exact retention of 1-32 caller-labelled evidence spans. Returns the pack, source-linked passages, input and output hashes, original and compiled token estimates, tokensSaved, source coverage, and requiredEvidenceRetentionPercent. Retention is exact span matching only: not accuracy, answer quality, verification, or hallucination

Livecheck Confirm - independent side-effect verification (actor != verifier). POST /v1/confirm with {url, intent} (+ optional claim). Returns confirmed|failed|unknown; thank-you fluff alone never confirmed - durable ref/id required. Intents: lead_submit $0.10, listing_published $0.10. order_placed is POST /v1/confirm/order ($0.25). Signed receipts + GET /stats. Same origin as Livecheck verify ($0.

KYB company verification before paying or invoicing: sanctions screening (OFAC, EU, France), EU VAT number validation (VIES), French insolvency proceedings. Input a SIREN, SIRET, EU VAT number or French company name (optional IBAN). Output for a French company: registry status, insolvency proceedings (BODACC), latest revenue and net income with risk signals, sanctions screening of the company and

Domain intelligence in one call: RDAP registration (registrar, age, expiry, status), live DNS (A/AAAA/MX/NS/TXT), the mail and DNS providers behind them, the SaaS vendors the domain's TXT verification tokens reveal, SPF/DMARC posture, and risk signals like newly-registered or no-registrar-lock.

Is this company or domain legit? Business and domain verification (KYB) for vendor screening, supplier checks and scam or fraud review: domain age and registrar from RDAP, DNS (A/MX/NS), email security (SPF/DMARC) and HTTPS. Returns a verdict and a 0-100 trust score with evidence URLs, and flags newly registered or thin-infrastructure domains, a common scam signal. Use it before your agent pays an

Agent payments have no chargeback. Paddock is pre-payment verification for AI agents. get_token_metrics returns Paddock's own daily series by metric and date range: spend share, daily transactions, category concentration, new services, liveness score.

Company verification of a legal entity: whether it exists, is registered, and under which identifier — GLEIF, US SEC EDGAR, the Australian Business Register (ABN, ACN, GST, status), with an ASIC search by ACN or ABN. Relevant wherever a company is named in a contract, invoice or filing: an Australian company check, a company register check, an ABN lookup, or an ABN, ACN, LEI or CIK for a company k

Trademark knock-out check with live official verification: name in, conflict risk verdict out. Candidate conflicting marks are looked up in the USPTO TSDR system in real time and returned as verbatim official records (LIVE/DEAD status, owner, classes, dates) — research leads that could not be officially verified are labeled as such. US federal register; names the right register for non-US markets.

Screen a government-issued identifier (passport, national ID, tax ID) against OFAC SDN and other global sanctions lists, with exact and substring matching ranked by similarity. Call during KYC/KYB identity verification. Returns per-list matches with source URLs.

Verify a claim or fact check a statement against public web sources: send a question and up to 5 URLs, get cited evidence - passages that support, contradict or fail to settle it. Claim verification with a citation for every excerpt: source URL, retrieval time, content hash. Never charges when nothing is retrieved. Free to evaluate: the `sample` tool returns one real response at no cost, so you ca

Deterministic on-chain structural-safety report for a Base address: contract detection, verification status, proxy/owner/privileged-function analysis. Behavioral signals (age, activity, funding) not yet included. Keyless x402-native payment — no signup, no API key. Score 0-100, higher = structurally safer. See free real samples before paying: GET /samples/index.json

Dokimo Verify API (GET) - scheme demo: recomputes a sample dokimo-merkle-v1 proof to its root and verifies nothing of yours. For real caller verification, POST /paid/verify with {leaf, proof_path, root, rule_version_commitment} plus summary and binding for a dokimo-anchor-v2 close (recompute + on-chain anchor check). Scheme: /merkle-spec.html.

Bibliography verification for AI research agents — POST up to 20 citations (DOIs or free-text references) and get a per-reference verdict: exists/not-found, retracted/withdrawn (Crossref + Retraction Watch + OpenAlex), and title/author/year mismatches against a real record. Built for agents auditing LLM-generated bibliographies before a citation ships.

OpenAI IPO data as JSON: confidential S-1 filing status and announcement date, reported 2027 listing expectations, Sam Altman ruling out a 2026 IPO, latest verified private funding round committed capital and post-money valuation, banks reported working on filing preparation (not confirmed underwriting mandates), and dated timeline. Each factual item has a source reference and verification grade;

KYB / KYC verification of a Japanese company: reconcile a company name (+ optional address) against the official JP corporate registry (名寄せ). Returns ranked candidate 法人番号 with a 0-1 confidence score, handling 株式会社 / (株) / ㈱ spelling variation and matching Japanese or English names. A dissolved corporation is never reported as `verified` even on an exact name match. Use it to confirm a vendor, cus

Call before publishing a claim that cites EU law. Checks that the cited instrument exists in our pinned corpus, that the cited article exists within it, and whether your quoted text actually appears in that article. Covers the AI Act, GDPR, NIS2, DORA and the Cyber Resilience Act. Returns the official article text with a EUR-Lex link. Citation verification only: it never gives legal advice or clas

Token Preflight: pre-trade safety check for a Base ERC-20 (buy/sell simulation, taxes, owner powers, liquidity, LP, holders, verification) with a shareable verdict card. Not investment advice.

6 email validation checks in one call — syntax (RFC 5322), MX record verification, disposable detection (5,000+ domains), free provider identification, role-based address detection (admin@, info@), and typo suggestion. Returns a 0-1 confidence score with detailed per-check results. POST method protects email addresses from access logs. No API keys, no multiple service integrations needed. Accepts

Pay Guard: pre-payment allow/warn/block check for x402. Send your planned purchase (domain, max_price_usd, asset/network) plus the 402 challenge (payTo, amount, asset, network, resource). Returns verdict with wallet↔domain verification, price/asset/network checks, lookalike/URL safety, wash flags from Agentropolis, and a free OFAC SDN sanctions screen of payTo (a screen, not a certificate). Determ

Learning-only BOJ-themed macro snapshot API for x402 v2 Base mainnet verification.

VAPE exploit_check — Contract verification + proxy-swap surface check. Real on-chain/market data, no simulation.

Test endpoint for verifying x402 payment integration end to end. Returns a static greeting in the Agent Tollbooth standard response envelope. Not a data product — use it to smoke-test your x402 client for $0.001 before calling our compliance endpoints: OFAC sanctions screening ($0.01) and FDIC bank verification ($0.01), listed under this same payTo address.