# Services from payai.agentstools.dev on Zero

> payai.agentstools.dev serves 362 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/payai.agentstools.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/payai.agentstools.dev/health.json

## Services

- [payai.agentstools.dev Web Search](https://www.zero.xyz/c/payai-agentstools-dev-web-search-276a1747/llms.txt): $0.001/call via x402, rated 4.8/5 (4 reviews). Performs a free-text web search via DuckDuckGo and returns a ranked list of title, URL, and snippet results.
- [PayAI CVE Package Vulnerability Scanner](https://www.zero.xyz/c/payai-cve-package-vulnerability-scanner-aff01f36/llms.txt): $0.02/call via x402. Scans a software package for known vulnerabilities by querying OSV.dev, then enriches results with NVD CVSS scores, CISA KEV status, and EPSS probabilities, returning a prioritized advisory list with fixed versions.
- [PayAI KYB Business Legitimacy Verifier](https://www.zero.xyz/c/payai-kyb-business-legitimacy-verifier-938f9e62/llms.txt): $0.02/call via x402. Verifies whether a business is real and returns a legitimacy verdict, 0-100 risk score, risk category, and per-dimension flags sourced from official registries.
- [OIG LEIE Healthcare Provider Exclusion Screener](https://www.zero.xyz/c/oig-leie-healthcare-provider-exclusion-screener-8228eaf3/llms.txt): $0.02/call via x402. Screens a US healthcare provider against the OIG LEIE federal exclusion list by NPI, name, or organization name
- [Black-Scholes European Option Calculator](https://www.zero.xyz/c/black-scholes-european-option-calculator-c0184009/llms.txt): $0.003/call via x402. Computes Black-Scholes fair price, all Greeks (delta, gamma, vega, theta, rho), or implied volatility for European options given spot price, strike, time to expiry, rate, and volatility.
- [Vehicle Safety & Recall Check (NHTSA + NCAP)](https://www.zero.xyz/c/vehicle-safety-recall-check-nhtsa-ncap-7a13ff29/llms.txt): $0.03/call via x402. Returns open NHTSA recalls, complaint summary (crashes, fires, injuries, deaths), and NCAP 5-star safety rating fused into a single JSON with a deterministic risk score for a given vehicle by make/model/year or VIN.
- [PayAI Crypto Address Sanctions Screener](https://www.zero.xyz/c/payai-crypto-address-sanctions-screener-fbb583f6/llms.txt): $0.003/call via x402. Checks a crypto wallet address against official public sanctions lists (OFAC SDN, UK, EU, UN) and returns matched entity details if found.
- [PayAI Sanctions Screening – Entity Name Check](https://www.zero.xyz/c/payai-sanctions-screening-entity-name-check-e0b23a7d/llms.txt): $0.005/call via x402. Fuzzy-screens a person or organization name against major public sanctions lists (OFAC SDN, UK, EU, UN) including aliases, returning scored matches with list, program, country, type, and reference.
- [US Import Tariff Estimator by HTS Code](https://www.zero.xyz/c/us-import-tariff-estimator-by-hts-code-5b65e0aa/llms.txt): $0.03/call via x402. Estimates the effective US import duty rate for a given HTS code and country of origin, including base MFN/FTA rates and trade-war surcharges (Section 301, 232, IEEPA), plus optional landed-cost calculation.
- [address-labels](https://www.zero.xyz/c/address-labels-9cc32246/llms.txt): $0.02/call via x402. Identify and label an EVM address with contract/protocol identity, sanctions status, scam flags, reverse ENS/Basename, and on-chain metadata in a single call
- [adviser-verify](https://www.zero.xyz/c/adviser-verify-8f623960/llms.txt): $0.03/call via x402. Returns a composite due-diligence verdict for a US financial adviser or firm by fusing FINRA BrokerCheck and SEC IAPD data into a single JSON with risk score and verdict
- [aircraft-diligence](https://www.zero.xyz/c/aircraft-diligence-66b1a3b6/llms.txt): $0.04/call via x402. Returns a 0-100 title risk score, risk rating, and clear-to-transact flag for a US-registered aircraft based on FAA registry data
- [approvals-nft](https://www.zero.xyz/c/approvals-nft-794d9867/llms.txt): $0.01/call via x402. Audits a wallet's live NFT operator approvals (ApprovalForAll), flags risky/scam operators, and returns a ranked revoke plan with ready-to-use setApprovalForAll calldata and a 0-100 risk score.
- [approvals-wallet](https://www.zero.xyz/c/approvals-wallet-22089d1d/llms.txt): $0.02/call via x402. Audits all live ERC-20 token approvals for a wallet address, flags risk levels, and returns a ranked revoke plan with ready-to-use calldata.
- [Attention Index](https://www.zero.xyz/c/attention-index-0e755008/llms.txt): $0.04/call via x402. Returns a 0-100 attention/curiosity score for any word or entity by fusing Wikipedia pageviews with GDELT global news coverage, including week-over-week and month-over-month deltas, trend direction, and datestamped spikes.
- [catalyst-calendar](https://www.zero.xyz/c/catalyst-calendar-3cdec2f6/llms.txt): $0.03/call via x402. Returns a forward-looking FDA regulatory catalyst calendar for a biotech issuer, extracted from SEC 8-K/6-K filings, with PDUFA dates, adcomm meetings, CRLs, and priority reviews cited to EDGAR source documents.
- [cicd-scan](https://www.zero.xyz/c/cicd-scan-8052d301/llms.txt): $0.02/call via x402. Statically scans a CI/CD pipeline configuration file (GitHub Actions, GitLab CI, or CircleCI) for security vulnerabilities and misconfigurations, returning a verdict, risk score, and per-finding details with fix hints.
- [Congress Trades – STOCK Act Periodic Transaction Reports](https://www.zero.xyz/c/congress-trades-stock-act-periodic-transaction-reports-efc5bb33/llms.txt): $0.02/call via x402. Returns normalized US House congressional stock trade disclosures filtered by ticker or member name, with trade type, amount range, dates, disclosure lag, and source PDF citations.
- [Cloud IaC Cost Estimator](https://www.zero.xyz/c/cloud-iac-cost-estimator-e05b8be5/llms.txt): $0.04/call via x402. Estimates monthly cloud costs for Terraform, CloudFormation, or docker-compose configs, returning per-resource breakdowns, FinOps policy findings, and a budget verdict before deployment.
- [PayAI Crypto News with Sentiment](https://www.zero.xyz/c/payai-crypto-news-with-sentiment-01ba5b25/llms.txt): $0.005/call via x402. Fetches deduplicated crypto headlines from major outlets (CoinDesk, Cointelegraph, Decrypt, etc.) with bullish/bearish/neutral sentiment scores, optionally filtered by coin or keyword
- [CVE Vulnerability Intelligence Lookup](https://www.zero.xyz/c/cve-vulnerability-intelligence-lookup-e98981f9/llms.txt): $0.01/call via x402. Fuses NVD, CISA KEV, EPSS, and OSV.dev data for a single CVE into one JSON with CVSS scores, CWE, patch links, exploitation probability, and a patch-priority score.
- [defiexec-build](https://www.zero.xyz/c/defiexec-build-9e7d928b/llms.txt): $0.05/call via x402. Generates ready-to-sign transaction calldata for depositing into or redeeming from Base DeFi yield protocols (Aave v3, Compound v3, ERC-4626) without custody of user funds
- [Package Intelligence Lookup (npm / PyPI / crates)](https://www.zero.xyz/c/package-intelligence-lookup-npm-pypi-crates-f87c2b6a/llms.txt): $0.005/call via x402. Returns fused metadata for a package across npm, PyPI, or crates.io: latest version, age, release cadence, deprecation/yank status, license, and download stats with trend signals.
- [DexSwap Quote — Base DEX Swap Calldata](https://www.zero.xyz/c/dexswap-quote-base-dex-swap-calldata-8a00ea2e/llms.txt): $0.05/call via x402. Returns ready-to-sign swap transaction calldata for Base by comparing Aerodrome and Uniswap V3 routes and selecting the best output, along with ERC-20 approval data, amountOutMin, and price impact.
- [docs-changelog](https://www.zero.xyz/c/docs-changelog-ef0d6dc9/llms.txt): $0.008/call via x402. Returns GitHub release notes, intermediate registry versions, and breaking-change markers for a library upgrade range across npm, PyPI, crates.io, or GitHub repos.
- [docs-library](https://www.zero.xyz/c/docs-library-f52f063b/llms.txt): $0.01/call via x402. Fetches version-pinned, topic-filtered documentation for a package from PyPI, npm, crates.io, or GitHub — returning package identity metadata plus the relevant README or llms.txt section.
- [docs-snippet](https://www.zero.xyz/c/docs-snippet-b9ad54e1/llms.txt): $0.008/call via x402. Retrieves matching fenced code blocks from a package's README or docs for a given topic or symbol, with source citations and truncation flags.
- [PayAI Domain Trust Score](https://www.zero.xyz/c/payai-domain-trust-score-c3e0e18d/llms.txt): $0.02/call via x402. Returns a composite trust score and category verdict for a domain by fusing registration age, DNS/mail posture, TLS validity, Certificate Transparency history, and typosquat/homoglyph analysis.
- [FDA FAERS Drug Adverse Events Summary](https://www.zero.xyz/c/fda-faers-drug-adverse-events-summary-d7452963/llms.txt): $0.02/call via x402. Returns aggregate adverse event data for a named drug from the FDA FAERS database, including top reported reactions, serious/death-flagged fractions, and demographic breakdowns.
- [Drug Clinical Safety Profile](https://www.zero.xyz/c/drug-clinical-safety-profile-38cf10d7/llms.txt): $0.04/call via x402. Returns a comprehensive clinical safety profile for a drug by brand name, generic name, active ingredient, or NDC code, fusing FDA identity, approval status, key label sections, adverse-event summary, and a severity indicator into one cited JSON.
- [SEC EDGAR XBRL Normalized Financials](https://www.zero.xyz/c/sec-edgar-xbrl-normalized-financials-a248c1e0/llms.txt): $0.03/call via x402. Returns normalized income statement, balance sheet, and cash flow data for a public company from SEC EDGAR XBRL filings, mapped to a clean unified schema with XBRL tag citations.
- [SEC EDGAR Financial Ratios API](https://www.zero.xyz/c/sec-edgar-financial-ratios-api-69ccc90a/llms.txt): $0.02/call via x402. Computes key financial ratios (margins, liquidity, leverage, growth) from SEC EDGAR XBRL data for a given ticker or CIK over recent reporting periods, with source citations and anomaly flags.
- [EIA Natural Gas Data — Henry Hub Price & Storage](https://www.zero.xyz/c/eia-natural-gas-data-henry-hub-price-storage-fa3060c8/llms.txt): $0.01/call via x402. Returns US natural gas market data from EIA: Henry Hub daily spot price or weekly working gas in underground storage, with latest value, period-over-period change, and short history.
- [EIA Petroleum Prices & Stocks](https://www.zero.xyz/c/eia-petroleum-prices-stocks-7e29cd2f/llms.txt): $0.01/call via x402. Returns US petroleum market data including retail gasoline/diesel prices by PADD region, WTI/Brent crude spot prices, and weekly crude/gasoline/distillate inventory levels from the EIA.
- [Domain/Company Enrichment API](https://www.zero.xyz/c/domain-company-enrichment-api-5da969b3/llms.txt): $0.015/call via x402. Aggregates public registration, DNS, TLS, web, and tech-stack data for a domain or company into a single structured profile
- [Legal Entity Resolver (SEC/GLEIF/Wikidata)](https://www.zero.xyz/c/legal-entity-resolver-sec-gleif-wikidata-c132cd43/llms.txt): $0.02/call via x402. Resolves a single legal entity identifier (name, ticker, CIK, LEI, QID, or ISIN) across SEC EDGAR, GLEIF, and Wikidata registries, returning a reconciled set of cross-registry IDs, legal name, jurisdiction, status, and optional corporate hierarchy.
- [env-compliance](https://www.zero.xyz/c/env-compliance-e75b1286/llms.txt): $0.02/call via x402. Returns US EPA facility compliance and enforcement details including violation status, noncompliance quarters, enforcement actions, penalties, and inspection history for a given facility or location.
- [env-emissions](https://www.zero.xyz/c/env-emissions-dc00a101/llms.txt): $0.02/call via x402. Returns a US facility's EPA Toxics Release Inventory (TRI) toxic releases with trend and Greenhouse Gas Reporting Program (GHGRP) CO2e profile by year, looked up by company name, FRS registry ID, or location.
- [env-facility](https://www.zero.xyz/c/env-facility-536d5704/llms.txt): $0.03/call via x402. Returns a comprehensive environmental due-diligence report for a US facility, fusing EPA compliance status, enforcement history, penalties, toxic releases, and greenhouse gas data into a single JSON verdict with a 0–100 environmental-risk score.
- [EVM Contract Source & ABI Resolver](https://www.zero.xyz/c/evm-contract-source-abi-resolver-608171a3/llms.txt): $0.02/call via x402. Fetches verified smart contract source code, ABI, compiler settings, NatSpec docs, and proxy implementation ABI for any EVM contract address across multiple networks
- [EVM Decode Signature](https://www.zero.xyz/c/evm-decode-signature-212db6d3/llms.txt): $0.003/call via x402. Reverse a 4-byte function selector, event topic0 hash, or raw calldata into a human-readable Solidity signature using the 4byte database, with collision resolution and parameter type parsing.
- [EVM Event Logs Reader](https://www.zero.xyz/c/evm-event-logs-reader-516146df/llms.txt): $0.01/call via x402. Fetches and decodes recent event logs from a smart contract on an EVM-compatible blockchain over a configurable block window
- [FDA Facility GMP Compliance Risk Dossier](https://www.zero.xyz/c/fda-facility-gmp-compliance-risk-dossier-d74ee1f1/llms.txt): $0.04/call via x402. Returns a 0-100 GMP compliance risk score, risk rating, inspection history, warning letters, Form-483 citations, and import refusals for an FDA-regulated manufacturer based on public FDA records.
- [FDA Inspections History](https://www.zero.xyz/c/fda-inspections-history-31ae26ff/llms.txt): $0.02/call via x402. Retrieves FDA inspection classifications and Form-483 observation citations for a manufacturer using their FEI number or firm name from public FDA records
- [FMCSA US Motor Carrier Fitness Vetting](https://www.zero.xyz/c/fmcsa-us-motor-carrier-fitness-vetting-88c086db/llms.txt): $0.02/call via x402. Returns a fit-to-haul verdict, fitness score (0-100), and per-dimension flags for a US motor carrier based on FMCSA registration data
- [Federal Contractor Spending Profile (USASpending.gov)](https://www.zero.xyz/c/federal-contractor-spending-profile-usaspending-gov-933fe0c4/llms.txt): $0.01/call via x402. Returns a comprehensive federal spending profile for a contractor by name or UEI, including total dollars, top agencies, top NAICS codes, fiscal-year trend, and recent awards.
- [FEMA Flood Zone Lookup](https://www.zero.xyz/c/fema-flood-zone-lookup-e33c70a9/llms.txt): $0.008/call via x402. Returns FEMA flood zone classification, Special Flood Hazard Area flag, zone subtype, and base flood elevation for a US address or coordinates.
- [USGS ASCE 7 Seismic Design Values Lookup](https://www.zero.xyz/c/usgs-asce-7-seismic-design-values-lookup-36424598/llms.txt): $0.005/call via x402. Returns USGS ASCE 7

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