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Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
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Crypto & DeFi
23 results- Ccloud.trycorpus.aiCrypto & DeFi
corpusAI Cloud Pricing: Every listed price for one model on one day: each source and hosting provider, USD per million tokens.
BaseEVM chain 143Ethereum+10cloud.trycorpus.aifrom $0.0129 endpoints - SSiteCheck Crypto & FinanceCrypto & DeFi
DeFi pool APY (total, base, reward), TVL, 7/30-day APY change and impermanent-loss estimate (il7d, ilRisk) from DefiLlama. Filter by project, chain and symbol; returns up to 20 pools by TVL. APY is DefiLlama's estimate, not a guaranteed return.
BaseSolanaEVM chain 5042+9api.chainmarket-api.workers.devfrom $0.002174 endpoints - SSiteCheck Agent Intel & DevCrypto & DeFi
Checks an x402 (HTTP 402 payment) endpoint before you pay: one unpaid GET, then the HTTP status, whether a 402 challenge with an accepts list is present, the payment networks, asset, price and pay-to address format, CORS header and response time. Does not pay, does not verify the seller's identity or reputation, and gives one sample, not uptime.
BaseSolanaEVM chain 5042+9api.fadeandco.workers.devfrom $0.002135 endpoints
Otto AICrypto & DeFiImportance-ranked crypto headlines with per-article source links and publish times, plus a sentiment-scored market brief. Regenerated hourly; meta carries the snapshot's age and a fresh/stale verdict.
BaseSolanaEVM chain 5042+2api.aidress.aifrom $0.00114 endpoints- OOnchainPulseCrypto & DeFi
Honeypot check, half a cent: can this token actually be sold? Simulated buy+sell verdict, buy/sell/transfer tax, mint authority, ownership renounced, transfer-pausable, blacklist — the raw flags, one source, no fusion. Base, Ethereum, BSC, Arbitrum, Polygon, Optimism, Avalanche. Cheapest token safety check before you trade; upgrade to /api/evmtoken ($0.015) for the fused CLEAR/CAUTION/AVOID verdic
BaseSolanaRobinhood Chain+9onchainpulse.theaslangroupllc.comfrom $0.00528 endpoints - Ffractalai.net.coCrypto & DeFi
Signed attestation of an Aave V3 position's liquidation risk right now: health factor, debt, collateral, risk tier and the observation time, read live from public RPCs by the FractalAI MIDAS scanner across 6 chains and signed with ML-DSA-65 (NIST FIPS 204). Publicly verifiable by receipt id at /api/midas/alerts/receipt/<id> and in-browser at /midas/proof — proof of "what was seen, when", not a liq
BasePolygonArbitrum+2fractalai.net.cofrom $0.00510 endpoints - AArbiPulseCrypto & DeFi
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.
BaseSolanaRobinhood Chain+9arbipulse.theaslangroupllc.comfrom $0.0216 endpoints - MMacroPulseCrypto & DeFi
Is the stock market open right now? Deterministic market-status and trading-hours for the major global exchanges — NYSE, NASDAQ, LSE, Xetra, Euronext, TSE/JPX, HKEX, SSE, ASX, TSX, SIX, NSE/BSE. Returns is_open plus why it is shut (weekend, holiday, lunch break, pre/after-hours), the exchange local time, and the next open and close as ISO timestamps. Pass ?at= for any past or future moment. Zero e
BaseSolanaRobinhood Chain+9macropulse.theaslangroupllc.comfrom $0.00513 endpoints - CCryptoPulseCrypto & DeFi
Verifiable track record for any Hyperliquid wallet from the public ledger, for copy-trading research and prop screening. Answers "what is this trader's win rate and drawdown", "which markets make their money", "how fresh is their activity". Per address: realized PnL, win rate and expectancy per closing order, profit factor, fees, per-market breakdown, equity curve, max drawdown, live positions, an
BaseSolanaRobinhood Chain+9cryptopulse.theaslangroupllc.comfrom $0.0315 endpoints - FFlowCrypto & DeFi
Use when an agent is about to pay another agent and needs one finished answer first: should you pay this payee? PayCheck ($0.50) runs Flow's whole checker stack on the payee — payee verdict (kind, activity, contract safety), wallet approval-exposure audit, and recent USDC settlement history on Base — returning one grade (ALLOW / REVIEW / BLOCK, 0-100), a verify_status, all checks, the evidence, an
BasePolygonArbitrum+1flow-kg4x.vercel.appfrom $0.019 endpoints - EESGPulseCrypto & DeFi
CSRD compliance roadmap for sustainability-reporting and compliance agents. Returns which ESRS standards apply, what must be disclosed, phase deadlines, and a double-materiality assessment guide.
BaseSolanaPolygon+8esgpulse.theaslangroupllc.comfrom $0.0517 endpoints - TTaxPulseCrypto & DeFi
Income tax rates by country, corporate tax, capital gains tax, tax residency rules, crypto tax treatment for any jurisdiction. Worldwide guide giving a full tax overview of any country by scenario. Tax intelligence, not advice.
BaseSolanaRobinhood Chain+9taxpulse.theaslangroupllc.comfrom $0.1015 endpoints - CCyberPulseCrypto & DeFi
CVE fact check, deterministic. Answers "is CVE-XXXX-NNNN real", "is it exploited in the wild", "what version fixes it", "how severe is it". Joins the NVD record (CVSS score, vector, dates), the CISA KEV catalog (actively-exploited flag, remediation due date, ransomware use), and OSV (affected packages + fixed versions per ecosystem). No LLM. Distinguishes "not a known CVE" from "registry unreachab
BaseSolanaPolygon+8cyberpulse.theaslangroupllc.comfrom $0.0211 endpoints - AAirdropPulseCrypto & DeFi
Launch provenance check for LONG.xyz / Doppler tokens on Robinhood Chain — one call verifies a token against the on-chain Doppler Airlock registry: registered launch or not, which stock token backs it (and whether that numeraire is an official Robinhood stock token), launching integrator (LONG primary vs other launchpads vs suffix imitators), factory creator match, 1e18 vanity suffix, governance b
BaseSolanaRobinhood Chain+9airdroppulse.theaslangroupllc.comfrom $0.0511 endpoints - TTradePulseCrypto & DeFi
Live freight rate intelligence for logistics and trade agents. Returns container and air rates by lane with a 90-day benchmark, route status, carrier options, and cost estimates.
BaseSolanaRobinhood Chain+9tradepulse.theaslangroupllc.comfrom $0.0811 endpoints - RRemittancePulseCrypto & DeFi
Best exchange rate and FX margin for money transfers: live mid-market rate vs provider markups for real-cost analysis. What recipient actually gets, how much currency-conversion markup providers charge, and exact converted amount for any currency pair. Live ECB mid-market rate plus rate environment. Worldwide currencies.
BaseSolanaPolygon+8remittancepulse.theaslangroupllc.comfrom $0.0510 endpoints - MMealPulseCrypto & DeFi
Dietary restriction guide / food allergy guide / diet guide (gluten-free/celiac, keto, vegan, low-FODMAP, renal, diabetic). Returns safe foods, hidden sources to avoid, safe swaps, and restaurant ordering tips for any dietary restriction, allergy, or medical diet. Worldwide.
BaseSolanaPolygon+8mealpulse.theaslangroupllc.comfrom $0.0510 endpoints - Pro Yield APICrypto & DeFi
Pro Yield in one call: live stablecoin lending venue rates (safety tiers, blend target, sleeve rates, provenance) plus vault state on HyperEVM — share price, total assets, live caps — and a wallet's position when ?address= is supplied. Use when an agent wants the whole Pro Yield picture for one $0.010 call instead of two.
SolanaBaseArbitrum+5pyd.fifrom $0.013 endpoints - SStablecoinPulseCrypto & DeFi
Stablecoin peg tick — USDT, USDC, USDS, DAI, USDe, USD1 in ONE $0.01 call: live price, deviation from $1, 24h change, and a deterministic STABLE / WATCH / ALERT verdict per coin. Built for monitoring loops: call it every cycle, escalate to /api/depeg-watch for the single-coin deep read when a verdict is not STABLE. 60s freshness, cited to CoinGecko, no LLM in the path.
BaseSolanaPolygon+8stablecoinpulse.theaslangroupllc.comfrom $0.015 endpoints - HHomePulseCrypto & DeFi
Smart home device recommendations and ecosystem advice for any country: Matter compatibility, ecosystem fit (Alexa, Google Home, Apple HomeKit), device picks by room and budget, and local plug/voltage/availability notes. For homeowner and smart-home agents. Returns recommended devices with Matter certification status and practical setup guidance.
BaseSolanaPolygon+8homepulse.theaslangroupllc.comfrom $0.087 endpoints - AAgent HubCrypto & DeFi
JSON-RPC read access to EVM chains (base, ethereum, polygon, arbitrum, optimism) with no API key. Send a standard JSON-RPC body (eth_call, eth_getBalance, eth_blockNumber, eth_getLogs). Also callable as GET with the same fields as query parameters.
BasePolygonArbitrum+1agents.torbrooknews.comfrom $0.0011 endpoint
Citiview Agent MarketCrypto & DeFiJSON-RPC read access to EVM chains (base, ethereum, polygon, arbitrum, optimism) with no API key. Send a standard JSON-RPC body (eth_call, eth_getBalance, eth_blockNumber, eth_getLogs). Also callable as GET with the same fields as query parameters.
BasePolygonArbitrum+1agents.citiviewgroup.comfrom $0.0021 endpoint
AgentRXICrypto & DeFiJSON-RPC read access to EVM chains (base, ethereum, polygon, arbitrum, optimism) with no API key. Send a standard JSON-RPC body (eth_call, eth_getBalance, eth_blockNumber, eth_getLogs). Also callable as GET with the same fields as query parameters.
BasePolygonArbitrum+1agentrxi.comfrom $0.0021 endpoint
Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.