# Services from api.firstmention.uk on Zero

> api.firstmention.uk serves 47 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/api.firstmention.uk
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.firstmention.uk/health.json

## Services

- [Sanctions List Screening API](https://www.zero.xyz/c/sanctions-list-screening-api-85a7b8b4/llms.txt): $0.01/call via x402. Screens an entity or person name against global sanctions lists (SDN and others) using fuzzy matching, returning match scores and program details
- [WebRead Meta - Web Page Content Extraction API](https://www.zero.xyz/c/webread-meta-web-page-content-extraction-api-e42a208d/llms.txt): $0.01/call via x402. Fetches and extracts structured content from any public URL, returning text, markdown, outline, links, images, tables, or JSON-LD metadata
- [Sanctions Screening API (check-sanctions)](https://www.zero.xyz/c/sanctions-screening-api-check-sanctions-26e06efb/llms.txt): $0.01/call via x402. Screens an entity or person name against global sanctions lists (e.g. OFAC SDN) and returns fuzzy-matched results with confidence scores
- [Check Sanctions – Sanctions Screening API](https://www.zero.xyz/c/check-sanctions-sanctions-screening-api-9c34b43b/llms.txt): $0.01/call via x402. Screens a named entity or person against global sanctions lists (e.g. OFAC SDN) and returns match status, confidence score, and matched programs
- [WalletCheck — EVM Wallet Token Approval Auditor](https://www.zero.xyz/c/walletcheck-evm-wallet-token-approval-auditor-8b0cb52d/llms.txt): $0.01/call via x402. Scans an EVM wallet address on Base mainnet for outstanding token approvals (ERC-20 allowances and ERC-721 operator grants), scoring hygiene and returning revocation calldata for each risky approval.
- [Transaction Preflight Simulator (txpreflight)](https://www.zero.xyz/c/transaction-preflight-simulator-txpreflight-a239281d/llms.txt): $0.01/call via x402. Simulates an EVM transaction on Base mainnet before sending, returning gas estimates, revert checks, fee quotes, and a safe-to-send verdict.
- [EDGAR Financial Data Resolver](https://www.zero.xyz/c/edgar-financial-data-resolver-43e4f245/llms.txt): $0.01/call via x402. Resolves a company ticker, name, or CIK to structured XBRL financial data (e.g. revenue, net income, EPS) from SEC EDGAR filings
- [Token Due Diligence Check (token-dd)](https://www.zero.xyz/c/token-due-diligence-check-token-dd-44f31f7b/llms.txt): $0.01/call via x402. Performs a risk assessment and due diligence check on one or more crypto tokens across chains, returning scores, red flags, liquidity data, and a risk verdict.
- [Token Due Diligence Batch API (token-dd/batch)](https://www.zero.xyz/c/token-due-diligence-batch-api-token-dd-batch-87986c67/llms.txt): $0.01/call via x402. Performs batch due diligence risk scoring on multiple crypto tokens across chains, returning verdicts, red flags, and liquidity data for each.
- [Sanctions Screening Batch API (check-sanctions/batch)](https://www.zero.xyz/c/sanctions-screening-batch-api-check-sanctions-batch-775abf85/llms.txt): $0.01/call via x402. Screens an entity or person name against global sanctions lists (e.g. OFAC SDN) and returns fuzzy-matched results with confidence scores and program details.
- [FeedNews Digest](https://www.zero.xyz/c/feednews-digest-3961dea3/llms.txt): $0.01/call via x402. Fetches, filters, and scores news items from categorized RSS/Atom feeds by keyword, category, and time window, returning ranked summaries.
- [EDGAR Company Financial Data Lookup](https://www.zero.xyz/c/edgar-company-financial-data-lookup-762af021/llms.txt): $0.01/call via x402. Retrieves historical XBRL financial metrics (revenue, net income, assets, etc.) for any public company from the SEC EDGAR database by ticker, name, or CIK
- [EDGAR Financials Lookup](https://www.zero.xyz/c/edgar-financials-lookup-82d07274/llms.txt): $0.01/call via x402. Retrieves structured financial data (revenue, income, assets, EPS, etc.) for any public company from SEC EDGAR filings using ticker, company name, or CIK.
- [BaseDue Token Liquidity & Exit Analysis](https://www.zero.xyz/c/basedue-token-liquidity-exit-analysis-fde37c57/llms.txt): $0.01/call via x402. Analyzes the on-chain liquidity depth and exit capacity for ERC-20 tokens on Base, estimating how much USD you can exit at given price impact thresholds across DEX venues like Aerodrome and Uniswap.
- [ChainRead Token Risk Analysis](https://www.zero.xyz/c/chainread-token-risk-analysis-f11c8a48/llms.txt): $0.01/call via x402. Analyzes an ERC-20 token contract address on Base or Ethereum and returns a risk score, verdict, and risk flags
- [ChgWatch Diff — Web Page Change Detector](https://www.zero.xyz/c/chgwatch-diff-web-page-change-detector-94a9ea38/llms.txt): $0.01/call via x402. Checks one or more URLs for content changes since a stored or hashed baseline, returning a diff summary with added/removed line counts and a current hash.
- [Company Facts by Stock Ticker](https://www.zero.xyz/c/company-facts-by-stock-ticker-f32b9295/llms.txt): $0.01/call via x402. Looks up SEC EDGAR company facts and sanctions status for a public company by its stock ticker symbol
- [PageAudit - Web Page Audit API](https://www.zero.xyz/c/pageaudit-web-page-audit-api-da2af3ed/llms.txt): $0.01/call via x402. Fetches a public webpage and returns its HTTP status, metadata (title, OG tags, favicon, canonical URL), headings, full markdown content, link inventory, optional link health-check results, and a content change hash.
- [Company Facts Lookup by Ticker](https://www.zero.xyz/c/company-facts-lookup-by-ticker-306ef1d3/llms.txt): $0.01/call via x402. Returns SEC EDGAR company facts and sanctions check for a public company given its stock ticker symbol
- [FirstMention Web Search API](https://www.zero.xyz/c/firstmention-web-search-api-a6d648ae/llms.txt): $0.01/call via x402. Searches across Wikipedia, Hacker News, GitHub, and Stack Exchange to return ranked web results for a given query, paid per-call via x402 USDC micropayment.
- [Company Facts by Ticker](https://www.zero.xyz/c/company-facts-by-ticker-cabd63b2/llms.txt): $0.01/call via x402. Looks up SEC EDGAR company facts and sanctions status for a given stock ticker symbol
- [WebRead Outline Extractor](https://www.zero.xyz/c/webread-outline-extractor-787cfb0b/llms.txt): $0.01/call via x402. Fetches a public URL and returns its structured heading outline (table of contents) as a JSON array
- [EDGAR Financial Data Search](https://www.zero.xyz/c/edgar-financial-data-search-6c009822/llms.txt): $0.01/call via x402. Searches SEC EDGAR for XBRL financial data (revenue, net income, EPS, etc.) for any public company by ticker, name, or CIK
- [BaseWatch New Pools Monitor](https://www.zero.xyz/c/basewatch-new-pools-monitor-0b1ebc6b/llms.txt): $0.01/call via x402. Returns newly discovered liquidity pools on Base, scored and graded for quality, with optional filtering by quote asset, liquidity depth, and age window.
- [Basewatch Alerts — Base Chain New Pool Alert Feed](https://www.zero.xyz/c/basewatch-alerts-base-chain-new-pool-alert-feed-389ae13f/llms.txt): $0.01/call via x402. Returns scored alerts for newly discovered liquidity pools on Base, filtered by quote asset, liquidity depth, and risk score threshold
- [ChainRead Network Info](https://www.zero.xyz/c/chainread-network-info-26afcecc/llms.txt): $0.01/call via x402. Analyzes a blockchain address, transaction, or block on Base or Ethereum and returns a risk score, verdict, and flags for on-chain activity
- [SEC EDGAR Company Brief (Composite)](https://www.zero.xyz/c/sec-edgar-company-brief-composite-76377573/llms.txt): $0.01/call via x402. Returns a structured financial brief for a public company — including SEC filings, key financials, derived ratios, and risk-factor excerpts — sourced from SEC EDGAR data.
- [ChainRead Balance & Risk Score](https://www.zero.xyz/c/chainread-balance-risk-score-05bd5436/llms.txt): $0.01/call via x402. Checks the on-chain balance and computes a risk/safety score for an Ethereum or Base address, returning a verdict, risk flags, and a numeric score.
- [ChainRead Transaction Lookup](https://www.zero.xyz/c/chainread-transaction-lookup-a3177be6/llms.txt): $0.01/call via x402. Fetches and risk-scores a blockchain transaction by hash on Base or Ethereum, returning flags, a risk score, and a verdict.
- [WebMD Extract – Web Page to Markdown Extractor](https://www.zero.xyz/c/webmd-extract-web-page-to-markdown-extractor-99c0ac5c/llms.txt): $0.01/call via x402. Fetches a public URL and returns its content as clean Markdown with metadata such as title, headings, links, word count, and robots status
- [ChainRead Verdict — On-Chain Address Risk Scoring](https://www.zero.xyz/c/chainread-verdict-on-chain-address-risk-scoring-0a59098c/llms.txt): $0.01/call via x402. Analyzes a blockchain address on Base or Ethereum and returns a risk verdict, numeric score, and flagged risk factors
- [SEC EDGAR Composite Filings & Financials Lookup](https://www.zero.xyz/c/sec-edgar-composite-filings-financials-lookup-fa30edba/llms.txt): $0.01/call via x402. Returns a composite view of a public company's SEC filings, derived financials, and risk-factor excerpts by ticker, name, or CIK
- [BaseDue Token Liquidity & Exit Price Checker](https://www.zero.xyz/c/basedue-token-liquidity-exit-price-checker-e798a698/llms.txt): $0.01/call via x402. Returns liquidity depth, best DEX pool, spot price, and exit capacity for an ERC-20 token on Base, estimating how much USD can be extracted before hitting a price impact limit.
- [ChainRead Batch Address Risk Scanner](https://www.zero.xyz/c/chainread-batch-address-risk-scanner-67db674a/llms.txt): $0.01/call via x402. Batch-scores up to 25 blockchain addresses on Base or Ethereum for risk, returning flags, a numeric score, and a verdict for each address in a single call.
- [BaseDue Exit Liquidity Analyzer](https://www.zero.xyz/c/basedue-exit-liquidity-analyzer-aaf60446/llms.txt): $0.01/call via x402. Estimates how much USD can be extracted by selling a specific ERC-20 token on Base DEXes, checking pool depth and price impact before exiting a position.
- [FirstMention WebRead - Web Page Content Reader](https://www.zero.xyz/c/firstmention-webread-web-page-content-reader-261fb263/llms.txt): $0.01/call via x402. Fetches and extracts content from any public URL in structured formats including text, markdown, links, images, tables, or JSON-LD
- [ChgWatch DiffMulti — Bulk URL Change Detector](https://www.zero.xyz/c/chgwatch-diffmulti-bulk-url-change-detector-71e18fd5/llms.txt): $0.01/call via x402. Checks multiple URLs simultaneously for content changes, returning per-URL diff statistics (lines added/removed, content hash) against a stored or watched baseline.
- [AgentKit Unit Converter](https://www.zero.xyz/c/agentkit-unit-converter-f4c2543c/llms.txt): $0.01/call via x402. Converts a numeric value from one unit to another (length, mass, temperature, digital storage, currency, etc.) or returns all equivalents in the same unit family
- [SEC EDGAR Composite Watchlist Lookup](https://www.zero.xyz/c/sec-edgar-composite-watchlist-lookup-d8ca108c/llms.txt): $0.01/call via x402. Returns a comprehensive financial profile for a public company from SEC EDGAR, including financials, filings, derived metrics, and risk-factor excerpts, paid per-call with USDC via x402.
- [ChainRead Code Analysis — Smart Contract / Address Risk Scoring](https://www.zero.xyz/c/chainread-code-analysis-smart-contract-address-risk-scoring-f1abe3ab/llms.txt): $0.01/call via x402. Analyzes a blockchain address or smart contract on Base or Ethereum and returns a risk score, severity flags, and a verdict (e.g. CAUTION) to indicate potential dangers.
- [ChainRead Gas Risk Checker](https://www.zero.xyz/c/chainread-gas-risk-checker-420a868f/llms.txt): $0.01/call via x402. Analyzes an EVM address or transaction on Base or Ethereum and returns a risk score, verdict, and flags for gas-related or ownership risk signals.
- [ChainRead Nonce Lookup](https://www.zero.xyz/c/chainread-nonce-lookup-40a18d77/llms.txt): $0.01/call via x402. Retrieves the nonce (transaction count) for a blockchain address on Base or Ethereum, useful for transaction sequencing and wallet analysis.
- [FirstMention AgentKit Unit Converter](https://www.zero.xyz/c/firstmention-agentkit-unit-converter-34bbf094/llms.txt): $0.01/call via x402. Converts a numeric value from one unit to another (length, weight, temperature, storage, currency, etc.) and returns the converted result
- [ChainRead Block Lookup](https://www.zero.xyz/c/chainread-block-lookup-e6b7ead5/llms.txt): $0.01/call via x402. Fetches on-chain block data for a specified block number or 'latest' on Base or Ethereum, paid per-call via x402 USDC micropayment.
- [x402index Verdict — API Listing Vetting & Demand Scoring](https://www.zero.xyz/c/x402index-verdict-api-listing-vetting-demand-scoring-e358fd88/llms.txt): $0.01/call via x402. Vets one or more x402-indexed API listings for demand, reliability, and seller credibility, returning a confidence-scored verdict and price-tier standing among peers.
- [AgentKit Unit Converter (datetime family)](https://www.zero.xyz/c/agentkit-unit-converter-datetime-family-76f5aa2c/llms.txt): $0.01/call via x402. Converts a numeric value between units within a supported family (e.g. length, weight, temperature, storage, currency) using a pay-per-call x402 API.
- [Agentkit Unit Converter](https://www.zero.xyz/c/agentkit-unit-converter-6109cb8d/llms.txt): $0.01/call via x402. Converts a numeric value from one unit to another (or returns all equivalents in a family), supporting length, mass, temperature, storage, currency, and more.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

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