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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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17 results- AAgents TrustOther services
API recommendation and x402 discovery for your task. Required query: need. Which API should I call? Recommends which x402 API to use for any task, with evidence. Describe a task in plain words. Compare up to five paid APIs, URLs, prices, payment networks and invocation details. Includes paid delivery evidence and risk flags. Provider calls are paid separately. No picks / non-2xx is never charged.
BaseSolanaalgorandapi.agents-trust.comfrom $0.011 endpoint
Losbeto Market IntelligenceCrypto & DeFiTurn messy text into strict JSON: send text plus the fields you want and get back exactly those keys, null for anything the text does not state — never invented. Invoices, emails, contracts, scraped pages, chat logs....
BaseSolanaalgorand+2api.losbeto.xyzfrom $0.001112 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
presign-guardCrypto & DeFiHoneypot and rug pull check for a token: is it safe to buy? Checks a Solana or EVM token before you buy, hold or accept it (mint or freeze authority still active, LP not locked, buy/sell tax, low liquidity, brand-new token, concentrated holders) and answers green/orange/red with a grade (SAFE/CAUTION/RISKY/AVOID), the reasons, a one-line summary and market data. Bulk: 100 checks for $0.80 via /v1/
BaseSolanaxrpl+4presign-guard.fizzl.eufrom $0.016 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 - CCompliancePulseSearch & web
Who is this company, officially? Global LEI lookup and legal-entity search against GLEIF, the ISO 17442 registry behind KYB, MiFID and EMIR reporting. Verify an LEI's checksum and registration status, or search 2.9M+ entities by name and country to find the right identifier. Flags LAPSED, DUPLICATE and RETIRED registrations that a naive first-hit lookup would wire into a KYB record. Deterministic:
BaseSolanaPolygon+8compliancepulse.theaslangroupllc.comfrom $0.0113 endpoints
x402 DoctorAI & agentsShould my agent pay this expensive x402 endpoint? Call it before a costly or repeated payment. Returns the go / caution / no_go verdict plus the full diagnosis, the endpoint's check history per day over 30 days, how reliable the seller's other endpoints are and whether the endpoint moved domains. Never pays the endpoint. Bulk: 1000 credits for $0.80 via /api/v1/credits.
SolanaBasexrpl+4x402-doctor.fizzl.eufrom $0.0016 endpoints- GGridPulseAI & agents
Home battery storage ROI and payback calculator — Powerwall vs alternatives, backup-power value, with the IRA 30% tax credit and state incentives applied. For homeowner and solar agents.
BaseSolanaPolygon+8gridpulse.theaslangroupllc.comfrom $0.0110 endpoints - WWaterPulseAI & agents
Live USGS river-gauge tick, deterministic. Answers "what is the flow at this gauge right now", "is this river high or low vs this week". Returns the latest streamflow (discharge, cfs) and gage height (ft) for one USGS site plus the 7-day min/max range, reading count, site name and coordinates, straight from USGS instantaneous values. Unknown sites 404 before payment. No LLM, no key, public domain.
BaseSolanaPolygon+8waterpulse.theaslangroupllc.comfrom $0.0111 endpoints
Ichimoku SignalCrypto & DeFiBitcoin and crypto trend signal: is a pair bullish, bearish or neutral right now? From the Ichimoku Cloud (cloud position, tenkan/kijun cross) for BTC, ETH, SOL or any top-200 coin on any interval, from live candles on Binance.US, Kraken, Gate or MEXC.
BaseSolanaxrpl+4ichimoku-signal.fizzl.eufrom $0.015 endpoints
GenTech DefiCrypto & DeFiGenTech Labs x402 - Security
BaseAvalancheX Layer+3api.gentechlabs.netfrom $0.00521 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 - GGiftPulseSearch & web
Search Reloadly's gift card catalog (300+ brands, 14,000+ products/denominations across countries). Returns each product's id, brand, country, denomination range or fixed amounts, and sender fee/discount — everything needed to build a POST /api/giftcard/quote call.
BaseSolanaPolygon+8giftpulse.theaslangroupllc.comfrom $0.011 endpoint - MMailPulseImages, audio & video
Check the status and tracking of a physical letter previously sent via POST /api/letters. Returns render status, expected delivery date, and (for certified mail) the USPS tracking number.
BaseSolanaPolygon+8mailpulse.theaslangroupllc.comfrom $0.0052 endpoints - NNodely SearchSearch & web
Web search: one query fanned out to 4 search engines (alpha, gamma, delta, epsilon) via SearXNG, merged and ranked; JSON, NDJSON or SSE stream.
BaseEVM chain 5042algorand+1x402.api.nodely.iofrom $0.0092 endpoints - PPulseNetworkMarkets & finance
How to make money with AI — one tailored business-in-a-box. Give a goal, budget and interests; get a specific business to start now: the exact real-time PulseNetwork API engine to build it on, suggested pricing, unit economics, monetization paths, and a fork-and-ship starter kit. Turns 'find me a way to earn / passive income / start a business' into a concrete plan. For agents tasked with making m
BaseSolanaPolygon+8pulse.theaslangroupllc.comfrom $0.011 endpoint - CCoil Why NotMarkets & finance
Before any buy: why a name is not a candidate today. GET /api/board/whynot?sym=NVDA returns the plain reason on the live board: the gate for its book and sector, its entry window (READY, SETUP, WAIT, CHASE, FALLING, BASING) and earnings inside five trading days, or the state that makes it a candidate. One symbol per read; an unknown symbol fails free with a 400. ~5-min refresh. States and reasons
SolanaBasealgorandcoil.tradefrom $0.00134 endpoints
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.