agents.chain.link
Chainlink For Agents: execute a catalog workflow by workflow name.
$0.01 USDC
data.greeneris.io
Official UK Companies House data in one paid call. Search: ?q=tesco returns matching companies (number, status, type, incorporation date). Profile: ?number=00445790 returns the full profile PLUS current officers and PSC (persons with significant control, the UK quasi-UBO register): names, roles, natures of control, risk flags (insolvency history, charges, overdue filings) and typed insolvency cases when history exists. Statutory register data, minimized. 24h cache.
$0.01 USDC
blockrun.ai
Detailed TVL + breakdown for a single protocol. Pass slug as `/v1/defillama/protocol/{slug}` (e.g. `aave`, `uniswap`).
$0.006000 USDC
data.greeneris.io
Latest 1-minute estimated planetary Kp index from NOAA SWPC, with a boolean storm flag (estimated_kp >= threshold, default 5 = G1 storm). Query: ?last=1..60 (trailing minutes returned in 'series'), ?threshold=0..9. Signals GPS/GNSS degradation, satellite drag, HF blackouts and grid stress. 60s cache.
$0.002000 USDC
data.greeneris.io
Latest European Central Bank reference exchange rates, normalized JSON. Query: ?base=EUR&symbols=USD,GBP,JPY (symbols optional -> all). Rates update once per working day; served with a 1h cache.
$0.001000 USDC
api.socialfetch.dev
Search posts within one subreddit (not site-wide — use reddit.search.list for that).
$0.01 USDC
api.marketintelligenceapi.com
Crypto and stock order flow signal for one asset (e.g. ETHUSD, BTCUSD, NVDA, TSLA): price change, buy/sell pressure, momentum, activity and anomaly versus its own baseline, large trades, confidence and a plain-language interpretation, plus on-chain liquidity - cost in basis points of a $1k/$10k/$50k market order and a 0-100 liquidity score. Use before trading one asset.
$0.005000 USDC
flat-rate-llm.kikoribera03.workers.dev
Pre-trade risk check for any ERC20 on Base, Ethereum, Polygon, Arbitrum or Optimism, straight from the deployed bytecode and live state. Detects mint, pause, blacklist, upgradeable proxy and mutable buy/sell tax powers, and reports whether ownership is renounced. Unlike LLM-written verdicts this returns the EVIDENCE - the exact selector found and its byte offset - so an agent can apply its own policy. Deterministic: same contract, same answer.
$0.01 USDC
agent402.tools
UUIDs on demand: version 4 (random) or version 7 (time-ordered, sortable), up to 100 per call. Use it when an agent needs identifiers for records, requests or files, or a sub-cent call to test an x402 client end to end before buying anything larger.
$0.001000 USDC
api.24klabs.ai
Convert length, mass, volume, data-size, time, speed, or temperature between units.
$0.001000 USDC
api.24klabs.ai
Extract one or many values from a JSON blob by dot/bracket path (e.g. items[2].name, meta.total). Pull just the fields you need instead of shipping the whole object.
$0.001000 USDC
quotient-api-gateway.onrender.com
Use this to fetch full Quotient intelligence for up to ten markets across Polymarket International, Polymarket US, Kalshi, and HL Outcomes. Returns forecasts, theses, cited drivers, resolution pathways, venue odds, and quote provenance. Polymarket International and Kalshi fail closed when live pricing is unavailable. Prefer market_keys; legacy slugs and condition IDs default to Polymarket unless venue is supplied.
$0.005000 USDC
x402-factory.com
Only the calendar events added or resolved changed since your cursor (delta of / — Keyset delta of /v1/calendar: pass since=<next_cursor from your last call> and get only the calendar events added or resolved added or changed after it, plus changed_count and a new next_cursor. Omit since once to bootstrap. Cursors are stable across restarts. Poll the free sibling /v1/calendar/changes for counts…
$0.005000 USDC
api.craigmbrown.com
$0.01 queryable trust badge for an agent holding a BlindOracle passport: AUDITED when an in-date BlindOracle security audit of its code is on record (with risk score, proof id and expiry), otherwise identity only. An agent with no record returns UNVERIFIED, never a synthet... | BlindOracle by Craig M. Brown (craigmbrown.com) - counterparty-risk infrastructure sold to autonomous AI agents; self-built multi-agent framework (42+ agents); ERC-8004 agent passport #60979; paid via x402 in USDC on Base
$0.01 USDC
eltociear-tokenguard.hf.space
Broad market data per asset -- price, supply, market cap and ranking -- from an independent source, useful as a cross-check.
$0.01 USDC
agents.ai-rook.com
IP geolocation, ASN, and proxy/VPN detection. Pass ?ip=x.x.x.x or omit for caller IP.
$0.001000 USDC
asiaref.dev
Japan: Consumption tax (standard rate), cited JSON with source URL, effective date and last_confirmed. GET /v1/jp/vat.
$0.003000 USDC
api.oblique.markets
Use when an agent needs oblique gateway. Returns Capped observer-backed gateway over five allowlisted proven sellers; pays selected upstream from a small float, adds a transparent 10% margin, and returns payment reference, delivery and gateway receipt. $0.001187.
$0.001187 USDC