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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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4,503 results- TThe Tie Stablecoin IntelligenceCrypto & DeFi
Retrieve a seven-day USD-denominated report of Tether bridge flows on Ethereum. This is a bounded onchain stablecoin intelligence product backed by The Tie's data API.
Base Sepoliax402-stablecoin-data-demo.ryan-ee4.workers.devfrom $0.011 endpoint - CCovenantCrypto & DeFi
Observe an MPL Core asset, its 014 Registry binding, and DAS-reported AppData. This does not prove identity or claim truth.
Solanax402-seller.opencovenant.orgfrom $0.0011 endpoint - GGlobal hourly weather forecastAI & agents
Global weather forecast by latitude/longitude: up to 48 hours of temperature, humidity, wind, cloud cover and next-hour precipitation in UTC with explicit units and model update time. Forecasts, not live observations; missing fields are null and sparse periods are not interpolated. Based on MET Norway data (CC BY 4.0); outage cache is flagged stale.
Baseweather.openverbs.comfrom $0.0021 endpoint - WWickedAPI Wallet OracleSocial & people
Pre-transaction counterparty check for an EVM wallet or contract: OFAC SDN screening, GoPlus malicious-address flags (phishing, drainers, laundering, mixers ...), and a live on-chain profile (EOA / contract / EIP-7702, nonce, balance, ENS, first transaction, contract verification). Returns risk_level, a plain recommendation (do_not_transact / review_before_transacting / no_red_flags_found), every
Basewallet.wickedapi.comfrom $0.0051 endpoint
Orizn Visa APIOther servicesVisa and entry requirements for a passport/destination pair: requirement type, visa-free days, documents, fees, processing time, transit rules, passport validity, overstay penalties and embassy contacts. Answers travel compliance and passport restriction checks, in 15 languages, with the official source and verification date where that pair has been verified.
Basevisa.orizn.appfrom $0.031 endpoint- VVektorwerkAI & agents
Embeds up to 32 texts on the local Ollama runtime. Returns explicit model and dimensions; no paid third-party API is called.
Basevektor.netzhandwerker.defrom $0.0011 endpoint - DData Transform APIDeveloper tools
Transform JSON records or CSV uploads with typed schemas and Polars SQL. Filter, aggregate, join and reshape data. Pricing depends on input size and SQL statement count; the 402 response contains the exact USDC amount.
Solanaultra-endpoints.comfrom $0.00111 endpoint - IInspect SSL/TLS certificateData & research
Open an SSL/TLS connection to a host and report its certificate — issuer, subject, validity window, days remaining, SANs, fingerprint and trust status.
Basetls.openverbs.comfrom $0.0061 endpoint - TTimezone IntelligenceOther services
Timezone intelligence — offsets, DST, transitions
Basetime.24klabs.aifrom $0.0011 endpoint - Tticks.bnm.farmDeveloper tools
Call GET /ticks when you need the current official USDA farm market prices (hay, cattle, sheep, grain, dairy, hogs, produce, eggs, cold storage, poultry, cotton, grocery retail, grass-fed DTC, production cost, ag energy). Manitoba weekly auction marts are on this table. $0.05 = entire current table. Nationwide USDA AMS; Idaho/PNW barns are example rows. Sample https://ticks.bnm.farm/sample. Rebuy:
Baseticks.bnm.farmfrom $0.051 endpoint - TThe WildCrypto & DeFi
A numbered material, Cairn Crab or Pocket Wild pixel creature from The Wild's field edition, $0.01 USDC on Base: 1000 editions per material or crab, 128 per pixel creature. A public site record with a receipt, optionally dedicated to a spirit's altar; not an NFT.
Basethe-wild-x402.mhoydich.workers.devfrom $0.011 endpoint - TTest Search APISearch & web
No description yet.
Base Sepoliatest-org.onedoro.comfrom $0.051 endpoint - Ttensegrity-control-mesh.onrender.comOther services
Deterministic structural failure inspection of a caller-declared control mesh. Structural evidence only; never authorizes execution. 0.01 USDC per request.
Basetensegrity-control-mesh.onrender.comfrom $0.011 endpoint - TTEnergyOther services
65000 TRON energy for USDT (TRC-20) transfers, 1h rental, delivered to the TRON address in the quote. Pay in USDC on Base.
Basetenergy.mefrom $0.351 endpoint - SStock Value LensMarkets & finance
Historical annual company financials, excluding stock prices. Free field list: GET /api/v1
Basestockvaluelens.comfrom $0.0011 endpoint - Sstash.fluidrack.comOther services
Reserve TTL object slot
Basestash.fluidrack.comfrom $0.011 endpoint - SStar CatalogOther services
List catalogued stars in an IAU constellation (name or 3-letter code), brightest first, with an optional named-only filter.
BaseSolanaPolygon+1star-catalog.x402tookit.comfrom $0.022 endpoints - Sstamp.0000402.xyzOther services
Pay $0.01 USDC to create an immutable timestamped statement. The server assigns recorded_at in UTC. Statements are public, permanent, and cannot be edited. Max body size: 10 KB. Network: Base Mainnet. Each request records one statement and returns public proof URLs.
Basestamp.0000402.xyzfrom $0.011 endpoint - Ssparky-works.vercel.appOther services
Audit a public GitHub bounty issue for stale status, competing pull requests, claimant signals, and solver saturation.
Basesparky-works.vercel.appfrom $0.051 endpoint - SSCRIPTMASTERLABSMarkets & finance
Live SML GreenLight setup board: the dynamic US-equity universe (Alpaca most-actives and movers, Polygon volume surges and 20-day-high breakouts) ranked by multi-timeframe setup score, with price, day change, relative volume, best setup and per-timeframe trend/squeeze state (15m, 30m, 1h, 4h). Query: top (1-50, default 20).
Basesml-greenlight.onrender.comfrom $0.052 endpoints - CCreate slugDeveloper tools
Convert text into a URL-safe slug: transliterate accents, apply a locale character map, and join with a separator.
Baseslug.openverbs.comfrom $0.0021 endpoint - SSitemap URL ExtractorData & research
Give this API a link to any website's sitemap.xml file and it will fetch and parse it, returning every URL found inside. If the sitemap links to other sitemaps (called sitemap indexes), it will follow and extract those too. Each URL is returned with any extra information available, such as when the page was last updated and how often it changes. Useful for SEO audits, content inventories, broken l
BaseSolanasitemap-url-extractor.underscoredone.comfrom $0.011 endpoint - Ssimpleeasytransactions.comOther services
No description yet.
Basesimpleeasytransactions.comfrom $1.002 endpoints
ShieldFormOther servicesInvisible bot protection. Score form submissions 0-100 based on behavioral signals. No CAPTCHAs.
BaseSolanashieldform.waltsoft.netfrom $0.0051 endpoint- MMarket & Brand SentimentSocial & people
Market & brand sentiment for any keyword, brand, ticker or product: analyses the sentiment of web & news content mentioning it and returns an overall label (positive/negative/neutral/mixed), a net sentiment score (-1..1), positive/negative/neutral shares and an emotion breakdown (anger, happiness, love, sadness, fun).
Basesentiment.openverbs.comfrom $0.041 endpoint
SendQuoteNowAI & agentsGenerates branded, customer-ready quotes and estimates as hosted PDFs in about one second — line items, tax, discounts, a hosted approval page, a QR code and a Stripe payment link. Pay-per-call with x402 in USDC on Base; no account or API key. THIS ENDPOINT (the flagship): POST line items, get back the quote number, totals, a hosted page the customer can approve or decline, a PDF URL, a QR code, a
Basesendquotenow.comfrom $0.101 endpoint- Sselectarank-data.vercel.appData & research
ECB euro foreign exchange reference rates (units of currency per 1 EUR), daily, from the European Central Bank. Query: currencies=USD,JPY,GBP (default USD,JPY,GBP,CHF), days=1..30 (default 1). Facts only, no recommendations.
Baseselectarank-data.vercel.appfrom $0.0021 endpoint - IImage GenerationImages, audio & video
Image generation: your own text prompt → 1 image (1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3), returned as a temporary URL (24 h). Flat $0.05 per image. Original subjects only.
Baseseenly-video-clip.vercel.appfrom $0.052 endpoints - Sseenly-skill-scan.vercel.appAI & agents
Skill Scan by Agentropolis: static Consensus Scan of an MCP server or agent skill before you install it. Pass a GitHub repo, npm:/pypi: package or pasted code + tools/list/SKILL.md. Flags tool poisoning, hidden instructions, credential/env exfiltration, remote code exec, obfuscation, install hooks; 2 rule families + 2 LLM reviewers vote; cross-checks Agentropolis seller trust data. Returns allow/r
Baseseenly-skill-scan.vercel.appfrom $0.032 endpoints - AAgent Reputation CheckAI & agents
Agent Reputation Check by Agentropolis: give a payTo and/or an agent / A2A / MCP URL. Returns owner, verified domain, real outside buyer history, wash flags and trust score from Agentropolis. Says when coverage is limited. Deterministic, no LLM.
Baseseenly-agent-reputation.vercel.appfrom $0.021 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.