x402.agentutility.ai
Looks up ASN and geolocation for any IPv4 or IPv6 address: ASN number, ASN org, ISP, country, region, city, postal, latitude/longitude, and timezone. Primary backend: ipapi.co (1k req/day free); fallback: ip-api.com (45 req/min free). Both are free public APIs with no auth. Use it as an IP-to-ASN, IP geolocation, IP-to-ISP lookup, WHOIS for IP, or cloud-provider attribution tool.
$0.001000 USDC
agentsvc.io
Read the ETH and USDC balance of any address on Base mainnet (chain 8453) straight from the chain, plus transaction count and how many x402 calls the USDC covers. Use it to check your own agent wallet before a paid workflow, to verify a counterparty was paid, or to monitor treasury addresses. Params: address (required, 0x...).
$0.002000 USDC
api.invoket.com
Before your agent pays a new bank account: validate the IBAN (all countries), resolve its bank and BIC from national bank registries, and check SEPA reachability per scheme (SCT, SCT Inst, SDD Core/B2B) against the EPC register
$0.01 USDC
api.weblens.dev
Google Autocomplete suggestions for a partial query. Useful for keyword research and intent discovery.
$0.004000 USDC
agentsvc.io
Look up a transaction on Base, Ethereum or IOTA EVM mainnet: status (success, failed, pending or not_found), block, confirmations, timestamp, from, to, ETH value, gas used, fee, method id and decoded ERC20 transfers with symbols and amounts. Useful to confirm that a payment arrived. Params: hash (0x transaction hash, required), chain ('base' default, 'ethereum' or 'iota-evm').
$0.002000 USDC
47620.xyz
Header + summary for a base block by number (or "latest"): hash, timestamp, tx count, gas used and base fee.
0.01 tokens
agentsvc.io
Resolve a city name or coordinates to its IANA timezone and return the current local time, UTC offset, DST flag and weekday. Use for scheduling across regions, 'what time is it in X', or normalizing timestamps. Params: location (required, e.g. 'Tokyo' or '35.68,139.69').
$0.002000 USDC
aaron-protocol-radar.vercel.app
Latest releases of AI agent frameworks and specs as JSON: OpenClaw, Model Context Protocol specification, LangGraph, CrewAI. Version, date, days since release and link to release notes, read live from GitHub.
$0.01 USDC
entropy.rip
Fetch live gas price estimations and base fees for EVM chains
$0.01 USDC
agentsvc.io
Current gas prices on Ethereum, Base, Arbitrum, Optimism, Polygon, BNB Chain and Avalanche: gas price, base fee, low/medium/high priority fee in gwei, native token USD price and estimated USD cost of an ETH transfer, ERC20 transfer and swap. Params: chains (optional list, default all).
$0.002000 USDC
agentsvc.io
Sui mainnet transaction by digest in plain JSON: status, time, checkpoint, sender, Move calls, gas fee in SUI, balance changes per address with coin symbols, created and changed objects, events.
$0.002000 USDC
api.weblens.dev
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.
$0.005000 USDC
agentsvc.io
Sentence embeddings (all-MiniLM-L6-v2, 384 dimensions, L2-normalized, multilingual input works best in English) for semantic search, clustering and deduplication, or rerank mode: pass query + documents to get documents sorted by cosine similarity. Runs locally, texts are not stored. Params: texts (1 to 32 strings, max 2000 chars each) for embed mode, or query + documents (up to 64) and top_k for rerank mode.
$0.002000 USDC
aaron-protocol-radar.vercel.app
Latest releases of the 10 main Ethereum clients as JSON: execution (go-ethereum, Nethermind, Besu, Erigon, Reth) and consensus (Lighthouse, Prysm, Teku, Nimbus, Lodestar). Version, date, days since release, link to notes, and a plain keyword flag when notes mention security or urgent upgrades.
$0.01 USDC
agentsvc.io
Generate a barcode as PNG (base64): code128 (default), ean13, ean8, upca, upce, code39, itf14, gs1_128, isbn, datamatrix, pdf417, aztec or qr. Validates check digits for EAN/UPC. Use for labels, shipping, inventory, tickets or invoices. Params: text (required), type, scale (1-8, default 3), include_text boolean (human-readable text under the bars).
$0.002500 USDC
tools.ipintel.ai
IP Lookup API. Enrich an IPv4 or IPv6 address with geolocation, ASN, ISP, organization, reverse DNS, timezone, and proxy/mobile/hosting indicators. Useful for security, fraud checks, abuse triage, bot detection, traffic enrichment, and infrastructure investigation. Paid per call via x402.
$0.003000 USDC
agentsvc.io
Sui mainnet in one call: epoch, latest checkpoint, reference gas price, SUI price, total stake and every active validator with staking APY, commission and stake, sorted by APY.
$0.002000 USDC
agentsvc.io
Parse a User-Agent string into browser, engine, OS, device type/vendor/model and CPU, and flag bots and AI crawlers (GPTBot, ClaudeBot, PerplexityBot ...). Params: user_agent (required).
$0.002000 USDC
agentsvc.io
Postal codes for 70 countries (GeoNames via zippopotam.us): postal code to place names, state and coordinates, or city + state to all its postal codes. For GB, CA and IE only the outward part (e.g. SW1A) is resolved. Params: country (ISO2, required), postal_code, or city + state (state abbreviation, e.g. CA, BY).
$0.002500 USDC
agentsvc.io
Weather forecast and current weather for any city or lat,lon worldwide, from MET Norway: daily forecast up to 10 days plus optional hourly forecast up to 48 hours. Current: temperature, feels like, humidity, wind and gusts, precipitation, cloud cover, pressure, conditions text. Daily: min/max, conditions, precipitation sum and probability, max wind, UV index, sunrise/sunset.
$0.002000 USDC