sort by:defaultA → ZZ → Aapi callsvolume
marine.x402.press
Multi-source marine intelligence via DeepSeek — wave conditions, port info, vessel types, maritime safety.
$0.05 USDC
xl402.agentsats.org
Última señal de contexto Bitcoin-macro, firmada y anclada antes de venderse, con confianza calibrada y kit de verificación. Research/contexto, no consejo de inversión.
$0.05 USDC
xl402.agentsats.org
Informe diario del oráculo: señales del día, veredictos vencidos y estado del marcador (Brier, calibración), en Markdown.
$1.00 USDC
api.relaystation.ai
Store a file and get a durable, shareable URL — no account, no signup; the wallet is the identity. From $0.001; tiers by size, lifetime, egress. Part of Relaystation: 155 agent tools on one balance — storage, e-sign, KYC, PDF/data/media, sub-cent LLM. relaystation.ai
$0.01 USDC
straits.live
Buy a real-time stream session: one payment returns a short-lived signed token that authenticates a Server-Sent Events connection at /api/premium/stream, pushing Strait of Hormuz ticks, Hormuz Index moves, and events without polling.
$0.05 USDC
space.x402.press
Multi-source AI space reasoning via DeepSeek. Accepts any natural language question about celestial events, planets, moons, asteroids, comets, meteor showers, eclipses, satellites, ISS, rocket launches, space weather, stars, or deep-sky objects.
$0.10 USDC
earth.x402.press
Multi-source AI Earth intelligence via DeepSeek. Accepts any natural language question about Earth — weather, air quality, marine conditions, earthquakes, volcanoes, species, seasons, climate, polar ice, and tides.
$0.10 USDC
weather.x402.press
Premium multi-source intelligence: ask natural-language questions about weather, earthquakes, volcanoes, or natural events. Queries multiple weather models in parallel and returns the fastest result with cross-validation.
$0.05 USDC
straits.live
Strait of Hormuz per-vessel intelligence: full scraped vessel manifest (no recency cutoff), OFAC sanctioned-vessel cross-reference, per-vessel risk bands, latest raw AIS positions.
$0.02 USDC
tenjin.blog
Pay-per-read essays by independent writers. Pay the x402 challenge to receive the full essay JSON; the 402 body itself carries a free preview.
$0.10 USDC
aviation.x402.press
Premium multi-source aviation intelligence: ask natural-language questions about flights, aviation weather (METAR/TAF), jet streams, and airports. Returns a reasoned answer by synthesising multiple live data sources in parallel.
$0.05 USDC
webtools402.176-109-107-191.sslip.io
The FHFA House Price Index for a geography: the current index level plus year over year, quarter over quarter and five year growth, with momentum flags and a short history. State and metro CBSA levels are covered directly; county and ZIP resolve to the state level index. Public domain, US only.
$0.01 USDC
api.nativebtc.org
Pay once to receive a short-lived WebSocket ticket for the live Bitcoin mempool stream.
$0.005000 USDC
api.relaystation.ai
$0.001/page. Split a PDF by page ranges or burst it into single pages. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny
$0.01 USDC
api.querylines.com
Top insurers by U.S. excess & surplus (E&S / surplus lines) insurance premium for a state and period (month or year), ranked by premium. Aggregated from state stamping office publications with source attribution. $0.10 per query. Docs: https://api.querylines.com/openapi.json
$0.10 USDC
api.nativebtc.org
Unified Bitcoin transaction analysis: fee verdict, mempool state, RBF bump plan, and Core v31 template check.
$0.01 USDC
api.querylines.com
U.S. excess & surplus (E&S / surplus lines) insurance premium and policy-count time series by state, coverage line, and month, quarter, or year. Aggregated from state stamping office publications; every response cites its source report. Florida live, more states coming. $0.10 per query. Free discovery endpoints: /v1/coverage and /v1/lines. Docs: https://api.querylines.com/openapi.json
$0.10 USDC
fishing-returns-orlando-innovation.trycloudflare.com
Legitimacy check for B20 tokens on Base. Verifies whether an address is a factory-native B20, detects copycats and known-asset imposters (homoglyph-aware), reports live issuer powers (mint, burn, pause, freeze, seize, admin) and issuer activity, and returns a danger/caution/ok verdict as an EIP-712-signed attestation an agent can independently verify.
$0.003000 USDC
api.querylines.com
Year-over-year summary of U.S. excess & surplus (E&S / surplus lines) insurance premium and policy counts for a state and year: totals, prior-year comparison, and YoY percent change. Aggregated from state stamping office publications with source attribution. $0.10 per query. Docs: https://api.querylines.com/openapi.json
$0.10 USDC
x402.agentutility.ai
Returns ranked Google web search results for a query, with title, URL, snippet, domain, and optional recency filter. Uses Decodo Google Search. For fetched page text or cited synthesis, use scrape-to-json or answer-web. Use it as a web search API, SERP search, or agent search endpoint.
$0.01 USDC
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