eip155:143
1638 resources accept payment on this network.
Lookup a Farcaster profile by username or FID
Lookup a Farcaster profile by username or FID. Returns FID, username, display name, bio, profile picture URL, follower/following counts, and the canonical Warpcast URL. Use to label cast authors, validate a Farcaster handle, or fetch a profile for display.
Live cross-provider x402 market sentiment
Live cross-provider x402 market sentiment. topProviders: the top x402 sellers ecosystem-wide, ranked by REAL on-chain activity (Agent402 included and flagged isSelf:true). Pick the lens with sort: 'usd' (revenue, default - whale-skewable), 'buyers' (distinct paying wallets - broadest adoption/reach), or 'calls' (raw volume). Every row carries all metrics plus callsPerBuyer (intensity), so revenue and actual ecosystem usage are both visible.
Look up the native coin balance (ETH/MATIC) plus every ERC-20 holding
Look up the native coin balance (ETH/MATIC) plus every ERC-20 holding for a wallet address on Ethereum, Base, Polygon, Arbitrum, or Optimism. Returns clean decimal balances (already scaled by token decimals) plus symbol and contract - ready to display in a UI or feed into a portfolio tool.
Domain registration data via RDAP (the structured WHOIS successor): re
Domain registration data via RDAP (the structured WHOIS successor): registrar, creation/expiry dates, status, nameservers.
Resolve a lat/lon to a structured postal address: road, house number,
Resolve a lat/lon to a structured postal address: road, house number, city, state, postcode, country (with ISO code). OpenStreetMap/Nominatim, no key. ?lat=38.8977&lon=-77.0365.
Return the current USD spot price for an ERC-20 token, identified by i
Return the current USD spot price for an ERC-20 token, identified by its contract address and network. Sourced from Alchemy's aggregated price feed. Use this for portfolio-value calculations or to denominate a balance in fiat without depending on a separate market-data API.
Share your namespace with another wallet so different agents can coord
Share your namespace with another wallet so different agents can coordinate through it. Grant read or readwrite access to a grantee wallet, optionally with a TTL. This is the cross-agent sharing a single agent cannot provide for itself.
Stablecoin parallel-rate premium — how far the street price of a digit
Stablecoin parallel-rate premium — how far the street price of a digital dollar (per-venue USDT quotes) diverges from the official FX rate in capital-controlled economies: venue table, median street rate, premium %, signal read. ARS, VES, BRL, COP, PEN, MXN, CLP, BOB; ARS includes the blue/MEP/CCL board. Live quotes, no LLM.
Crypto market context for macro and multi-asset agents — BTC, ETH and
Crypto market context for macro and multi-asset agents — BTC, ETH and majors with the Fear and Greed read and the risk-on/risk-off signal that ties crypto to broader macro flows.
Find the email address from a LinkedIn profile URL
Find the email address from a LinkedIn profile URL.
Generate cryptographically random passwords
Generate cryptographically random passwords. ?length=8..128 (default 24), ?symbols=true|false (default true), ?count=1..20.
Validate an email address: syntax check plus live MX record lookup on
Validate an email address: syntax check plus live MX record lookup on the domain (deliverability signal, not a guarantee).
Strip all HTML tags and return plain text
Strip all HTML tags and return plain text. Preserves block-level structure (paragraphs and headings become newline-separated). Faster and more predictable than running extract on a raw HTML string when you already have it.
Mask emails, phone numbers, credit-card-like numbers, IPs, and SSNs in
Mask emails, phone numbers, credit-card-like numbers, IPs, and SSNs in text. Returns the redacted text and counts by type.
Fetch a PDF from a URL and extract its text content
Fetch a PDF from a URL and extract its text content. Returns page count, document info, and the full text (up to 20MB PDFs).
48-hour hourly weather forecast for any location: temperature, precipi
48-hour hourly weather forecast for any location: temperature, precipitation probability and amount, wind, cloud cover, humidity. Open-Meteo, no key, global. ?lat=-33.87&lon=151.21.
Fetch and validate a domain's SPF record (RFC 7208)
Fetch and validate a domain's SPF record (RFC 7208). Parses mechanisms (ip4/ip6/include/a/mx/all), counts DNS lookups against the famous 10-lookup limit, and flags the qualifier on `all` (-/fail, ~/softfail, ?/neutral). The first stop when an email is hitting the spam folder.
Look up the Autonomous System (ASN), prefix, country, registry, and al
Look up the Autonomous System (ASN), prefix, country, registry, and allocation date for an IPv4 address - or for a hostname (which is resolved first). Uses Team Cymru's free DNS-based IP→ASN mapping; no HTTPS upstream, no auth, no rate-limit headaches.
Infer a draft-07 JSON Schema from sample JSON document(s)
Infer a draft-07 JSON Schema from sample JSON document(s). Send one sample as json, or several as samples. Heuristic merge rules: required = keys present in every sample, conflicting types become a type union, integer widens to number, and string formats (date-time, date, email, uri, uuid) are detected from values. Complements json-validate.