Every agent-payable API.

Deterministic forward regime outlook derived from recent weekly regime score direction and consistency.

Evaluates a user-supplied portfolio against Stock Trends signal and market regime context.

AI-optimized web search, content extraction, site mapping, and crawling API.

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WCAG contrast ratio between two colors — the check the URL-based a11y endpoint can't do. Give a foreground and background color (hex or rgb()); returns the exact ratio and AA/AAA pass/fail for normal text, large text, and UI components, with a plain-English verdict. ?fg=&bg=

Fetch any public web page and return clean, readable Markdown with navigation, ads, and boilerplate stripped. For agents that need article text or documentation as Markdown.

WCAG accessibility check (static analysis): findings mapped to WCAG success criteria with A/AA/AAA levels — alt text, page title, lang, form labels, heading structure, table headers, link purpose, accessible names, duplicate IDs, ARIA role validity, zoom blocking, meta refresh, skip links. Filter with ?level=A|AA|AAA. Honestly reports what static analysis cannot check (contrast, focus, keyboard).

IP geolocation: country, region, city, coordinates, and timezone for any IPv4 or IPv6 address. Fast in-memory lookup for analytics, fraud, and personalization agents.

Yield Estimate — an agent-callable yield estimate service, payable over x402 (USDC on Base). Provided via web-production-18a32.up.railway.app. Priced around 0.001 USD per call.

DNS lookup for MX, A, AAAA, NS, TXT, SOA records. Detects email provider (Google, Microsoft, etc.), SPF, and DMARC records. SQS: 96/100.

Detect whether a phone number is mobile, landline, VOIP, toll-free, or premium rate. Essential for SMS delivery verification and communication routing. SQS: 96/100.

Generate platform-optimized social media posts. Supports Twitter, LinkedIn, Instagram. Returns post text, hashtags, thread version for Twitter. SQS: 98/100.

Look up Brazilian company data from ReceitaWS. Requires CNPJ (14 digits). Returns company name, trade name, status, address, activity codes, partners. SQS: 77/100.

Look up US company data from SEC EDGAR. Accepts CIK number, ticker symbol, or fuzzy company name. Returns company name, CIK, SIC code, state, filings summary. SQS: 76/100.

Check whether a company can receive e-invoices on the Peppol network before you send one: participant identifiers and accepted document types from the official Peppol Directory export, by SIREN, SIRET or explicit Peppol participant ID. 'Not registered' is a paid, dated answer. No account, no key.

Perform a WHOIS lookup for a domain. Returns registrar, creation date, expiry date, name servers, registrant info, and raw WHOIS data. SQS: 96/100.

Perform a comprehensive DNS lookup for a domain. Returns A, AAAA, MX, NS, TXT, CNAME records plus SPF and DMARC detection. SQS: 96/100.

Invoice verification and supplier verification — verify supplier before payment in France, the invoicing pack of the e-invoicing mandate France September 2026 (all VAT-liable companies must receive): legal identity, obligation dates, intra-EU VAT number checked LIVE against VIES, IBAN form + key check, bank identified, deterministic pret_a_facturer verdict, closed-list reasons. Not a payee verification: no holder name, no account existence check. A VIES outage never yields a false invalid.

Sector benchmarks and sector statistics for a French NAF activity code (any level: division, groupe, classe, sous-classe): number of active companies, median company age (with quartiles), workforce-bracket distribution, and — when at least 5 companies file public accounts — median revenue, EBITDA margin, pre-tax result and debt ratio. Peer comparison in one call: place a company against its peers. Aggregates only, no personal data; sectors with fewer than 5 companies are excluded.

Industrial risk and environment profile of a French company from the official ICPE register (Géorisques/DGPR): classified facilities with Seveso status (upper/lower tier), authorisation regime, activity state, IED flag, nomenclature rubrics and a risk synthesis per SIREN — an ESG and environmental compliance signal on hazardous sites operated by the company. A company with no classified facility returns level aucun (still 200) — the clean answer is the signal.

Intellectual property portfolio of a French company from official INPI open data: patents, trademarks and designs filed — counts plus recent items with number, title/label, status, date and classification. Designs: one line per filing. Covers French patents, trademark registrations and industrial designs in a single call, an R&D / brand-value signal not served to agents elsewhere, useful for due diligence on innovation assets. Patent inventor names (natural persons) are never returned.

Historical sector, industry-group, or industry breadth series derived from Stock Trends signal distribution.

Constructs a deterministic equal-weight portfolio from eligible Stock Trends signal candidates.

tip.md - Send USDC tips on base via x402 payment protocol with CDP disbursement

Check if a URL is up or down. Returns status code, latency, redirect info, TLS status, and server headers. SQS: 96/100.

24 Solar Terms (节气) - precise datetime for all 24 solar terms of a given year. Query: ?year=YYYY (default current year)

Live AI-citation check: runs fresh probes against major AI assistants and reports whether a domain is cited for its vertical's buying questions — citation rate per provider, list position, and whether the domain's agent-card was discovered. Fresh probes per call (not cached). $0.50 per check. Free companion diagnosis: /api/x402/deep-scan.

Access consolidated token data through a single endpoint — combining market metrics, technical indicators, on-chain activity, and social sentiment. Designed for advanced token profiling, decision support, and agentic automation.

Add a new memory. This method is called every time the user informs anything about themselves, their preferences, or anything that has any relevant information which can be useful in the future conversation. This can also be called when the user asks you to remember something.

Analyze Google search results for a keyword. Returns organic results, featured snippet, People Also Ask, SERP features. SQS: 96/100.

Analyze a job posting. Extracts title, skills, salary range, remote policy, benefits, red flags, culture signals. Accepts URL or text. SQS: 97/100.

Check backlinks for a domain via CommonCrawl and Google search. Returns linking domains, anchor text, dofollow/nofollow counts.

Before your agent re-certifies a legal knowledge base or monitors a portfolio of citations: the version timeline (status and validity dates) of up to 100 French or EU article references in one call, from the official LEGI and EUR-Lex datasets, to detect which references changed and when. Covers 12 major French codes and statutes and key EU acts (GDPR, DSA, AI Act, MiCA and more).

Before your agent re-runs a contract review or due diligence after time has passed: a structured diff of the consolidated text — word-level segments plus a git-style unified patch — for up to 50 French or EU article references, each between its own two dates, in one call, from the official LEGI and EUR-Lex datasets. Covers 12 major French codes and statutes and key EU acts (GDPR, DSA, AI Act, MiCA and more).

Before your agent plans a multi-day operation — logistics, construction, an event, crop work: a day-by-day forecast for any GPS point or city, with daily minimum and maximum 2 m temperature, total precipitation and peak 10 m wind per UTC calendar day, from today to the end of the NOAA GFS window (~16 days). Each day names the model that served it and carries a coverage flag.

Best H100 Sxm — an agent-callable best h100 sxm service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.

Best Wbtc — an agent-callable best wbtc service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.

Bidirectional ENS + Basename resolution: POST { name } (e.g. vitalik.eth or jesse.base.eth) to resolve its address, or POST { address } to resolve its primary name (checks both Base basename and Ethereum .eth). Uses the L1 ENS Universal Resolver with ENSIP-19 / CCIP-read, which a Base-only RPC cannot do. For AI agents resolving human-readable names to addresses and labeling counterparties before transacting.

Breadth Equity — an agent-callable breadth equity service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.

Btc Usd — an agent-callable btc usd service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.

Calculate a trust score for an email address. Assesses domain age, MX configuration, disposable domain detection, and email provider reputation. Returns a 0-100 risk score. SQS: 98/100.

Chat — an agent-callable chat service, payable over x402 (USDC on Base). Provided via x402.aubr.ai. Priced around 0.02 USD per call.

Check email deliverability for a domain: SPF, DKIM, DMARC, MX records, blacklist status. Returns 0-100 score.

Check HTTP response headers for security best practices: HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. Returns grade A-F. SQS: 97/100.

Check if a specific date is a business day in a given country. Accounts for weekends and public holidays. Also returns the next business day if the given date is not one. SQS: 96/100.

Check stablecoin supply and flows. Query by chain (stablecoin supply on Ethereum, Base, etc.), by stablecoin (USDC market cap and circulation), or get the overall market summary. Data from DeFi Llama. SQS: 96/100.

Convert any URL to clean, article-quality markdown. Extracts main content and strips navigation, ads, and boilerplate. Handles static sites instantly and JavaScript-rendered pages via fallback rendering. Supports blogs, documentation, news articles, and m…

Convert BTC to USD at live price. Pass ?amount=1 for value in US Dollar. 比特币兑换美元换算。ビットコインを米ドルに換算。Convertir Bitcoin a dólar. 비트코인를 달러로 환전. btc to usd, Bitcoin convert.

Convert OP to USD at live price. Pass ?amount=1 for value in US Dollar. Optimism兑换美元换算。オプティミズムを米ドルに換算。Convertir Optimism a dólar. 옵티미즘를 달러로 환전. op to usd, Optimism convert.

Convert an amount between currencies using ECB exchange rates. Supports all major currencies. Returns converted amount and rate. SQS: 96/100.