Discover / api.x402node.dev

x402node

■ Challenge detected

Live airport arrivals board by IATA code: incoming flights with origin, airline, terminal, gate, baggage belt, scheduled and revised arrival times. 机场到港航班板：到达航班的出发地、航司、登机口、行李转盘、时刻。空港到着便ボード。Tablero de llegadas. 공항 도착 항공편. Query: ?airport=JFK Accepts payment on Base or Solana — either network works.

Listed price
$0.2
Challenge detected
10 of the last 10 checks
Median response
194 ms
Last checked
17 Oct, 12:25 UTC
In our index since
26 Sept 2026

Endpoint

curl -i https://api.x402node.dev/aviation/airport-arrivals
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.
372 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://api.x402node.dev

  • GET/crypto/price/ltc/usd/ltc-usd$0.004Live LTC to USD price (Litecoin / US Dollar). Zero-param: GET returns current price. 莱特币美元实时价格行情。ライトコイン/米ドル 価格。Precio Litecoin dólar. 라이트코인 달러 시세. ltc usd, ltc-usd, LTC price. Accepts payment on Base or Solana — either network works.
  • GET/crypto/convert/ton/usd/ton-usd$0.004Convert TON to USD at live price. Pass ?amount=1 for value in US Dollar. Toncoin兑换美元换算。トンコインを米ドルに換算。Convertir Toncoin a dólar. 톤코인를 달러로 환전. ton to usd, Toncoin convert. Accepts payment on Base or Solana — either network works.
  • GET/weather/current$0.005Current weather at a location by latitude and longitude or city name: temperature, feels-like, humidity, precipitation, wind. Live conditions an LLM cannot know. weather now, current weather, temperature, wind, conditions by city Accepts payment on Base or Solana — either network works.
  • GET/pool/top$0.02Top Uniswap V3 liquidity pools on Ethereum ranked by total value locked in USD, each with token pair, fee tier, TVL and all-time volume, from a subgraph behind an API key. For market overview and routing. top pools, largest pools, uniswap tvl ranking, deepest liquidity, dex pools Accepts payment on Base or Solana — either network works.
  • GET/forex/convert/hkd/usd/hkd-usd$0.004Convert HKD to USD at live rate. Pass ?amount=100 for value in US Dollar. 港币兑换美元换算。香港ドルを米ドルに換算。Convertir dólar de Hong Kong a dólar. 홍콩 달러를 달러로 환전. hkd to usd convert. Accepts payment on Base or Solana — either network works.
  • GET/crypto/convert/inj/usd/inj-usd$0.004Convert INJ to USD at live price. Pass ?amount=1 for value in US Dollar. Injective兑换美元换算。インジェクティブを米ドルに換算。Convertir Injective a dólar. 인젝티브를 달러로 환전. inj to usd, Injective convert. Accepts payment on Base or Solana — either network works.
  • GET/search/academic$0.008Search academic papers across 240M+ publications via OpenAlex (free, no API key, no rate-limit issues). Returns papers with title, authors, abstract, year, citation count, DOI, PDF link. Use ?q=YOUR_QUERY and limit=10. Built for research agents and literature review workflows. Accepts payment on Base or Solana — either network works.
  • GET/commodity/price/copper/usd/copper-usd$0.005Live Copper price (commodity futures, USD). Zero-param: GET returns current price. 铜实时价格行情。銅価格。Precio cobre. 구리 시세. copper price, copper spot, commodity quote. Accepts payment on Base or Solana — either network works.
  • GET/forex/convert/gbp/eur/gbp-eur$0.004Convert GBP to EUR at live rate. Pass ?amount=100 for value in Euro. 英镑兑换欧元换算。ポンドをユーロに換算。Convertir libra a euro. 파운드를 유로로 환전. gbp to eur convert. Accepts payment on Base or Solana — either network works.
  • GET/chain/counterparty-graph$0.01Build a counterparty interaction graph for an address from on-chain transfers - ranks who it sends to and receives from, flagging bidirectional links for cluster and AML analysis, on Base. counterparty graph, address relationships, transaction graph, aml analysis, wallet connections, fund flow Accepts payment on Base or Solana — either network works.
  • GET/market/funding-rate$0.008Live perpetual futures funding rate for any crypto symbol from OKX, with annualized rate, next funding time and long/short bias interpretation - real-time market data absent from LLM training. funding rate, perpetual funding, perp funding, futures funding, basis rate Accepts payment on Base or Solana — either network works.
  • GET/url/dns-lookup$0.0022dns lookup, DNS lookup API, DNS lookup online, lookup DNS records, DNS resolver lookup, nslookup API, DNS query lookup, dig replacement, DoH lookup, A AAAA MX TXT NS CNAME lookup, SPF DMARC DKIM lookup, nameserver lookup, CDN routing detector, DNS DNSSEC inspector. Resolve any domain to A, AAAA, MX, TXT, NS, CNAME, or SOA records. For AI agents, security audits, email config validation, network diagnostics. Accepts payment on Base or Solana — either network works.
  • GET/forex/convert/usd/hkd/usd-hkd$0.004Convert USD to HKD at live rate. Pass ?amount=100 for value in Hong Kong Dollar. 美元兑换港币换算。米ドルを香港ドルに換算。Convertir dólar a dólar de Hong Kong. 달러를 홍콩 달러로 환전. usd to hkd convert. Accepts payment on Base or Solana — either network works.
  • GET/chain/contract-verify$0.005Check whether a smart contract's source code is verified on the block explorer, with contract name, compiler and proxy status across Ethereum/Base/Arbitrum/Optimism/Polygon/BSC - a pre-interaction safety check agents need that LLMs cannot perform live. contract verified, source code verified, contract audit, unverified contract, contract safety, is contract safe Accepts payment on Base or Solana — either network works.
  • GET/chain/mempool-gas$0.004Real-time gas estimates from the pending block base fee with slow/standard/fast tiers in gwei on EVM chains. mempool gas, pending gas, gas estimate, current gas price, fast gas, transaction fee Accepts payment on Base or Solana — either network works.
  • GET/npm/deps$0.01Get NPM package dependency tree with counts (runtime, dev, peer, optional) and version constraints. Use ?package=react and version=18.2.0. Built for dependency audit and bundle bloat analysis. Accepts payment on Base or Solana — either network works.
  • GET/forex/convert/aud/usd/aud-usd$0.004Convert AUD to USD at live rate. Pass ?amount=100 for value in US Dollar. 澳元兑换美元换算。豪ドルを米ドルに換算。Convertir dólar australiano a dólar. 호주 달러를 달러로 환전. aud to usd convert. Accepts payment on Base or Solana — either network works.
  • GET/crypto/convert/etc/usd/etc-usd$0.004Convert ETC to USD at live price. Pass ?amount=1 for value in US Dollar. 以太经典兑换美元换算。イーサリアムクラシックを米ドルに換算。Convertir Ethereum Classic a dólar. 이더리움클래식를 달러로 환전. etc to usd, Ethereum Classic convert. Accepts payment on Base or Solana — either network works.
  • GET/nlp/detect$0.005Detect text language with rule-based unicode-script + Latin stopword matching. Returns ISO 639-1 code, detection method, confidence. Use ?text=Bonjour+le+monde. Built for AI agents routing inputs by language, content moderation, and analytics. Accepts payment on Base or Solana — either network works.
  • GET/crypto/price/doge/usd/doge-usd$0.004Live DOGE to USD price (Dogecoin / US Dollar). Zero-param: GET returns current price. 狗狗币美元实时价格行情。ドージコイン/米ドル 価格。Precio Dogecoin dólar. 도지코인 달러 시세. doge usd, doge-usd, DOGE price. Accepts payment on Base or Solana — either network works.
  • GET/forex/rate/gbp/jpy/gbp-jpy$0.004Live GBP to JPY exchange rate (British Pound / Japanese Yen). Zero-param: GET returns current rate. 英镑兑日元实时汇率。ポンド/円 為替レート。Tipo de cambio libra-yen. 파운드 엔 환율. gbp jpy, gbp-jpy, GBP/JPY forex quote. Accepts payment on Base or Solana — either network works.
  • GET/dev/regex-test$0.0022regex test, test regex, regex tester, test regular expression, regex test online, regex pattern test, regular expression test, pattern matcher, JavaScript regex test, find regex matches, regex validator, regex debugger, regex 101 alternative. Test any regex pattern against text. Returns all matches with capture groups and indices. For AI agents, pattern extraction, text validation, log parsing. Accepts payment on Base or Solana — either network works.
  • GET/citation/pubmed$0.006Search PubMed biomedical literature via NCBI and return article title, authors, journal, year, PMID and link for each match. pubmed search, biomedical papers, medical literature search, ncbi entrez, research citations Accepts payment on Base or Solana — either network works.
  • GET/text/similarity$0.003Compare two texts and return cosine and Jaccard similarity scores with the top shared keywords, useful for duplicate and near-duplicate detection. text similarity, string similarity, compare documents, duplicate detection, content overlap Accepts payment on Base or Solana — either network works.
  • GET/market/fear-greed$0.005Current crypto Fear and Greed Index value (0-100) with classification and optional history, a real-time market sentiment signal not available in any LLM training data. fear greed index, crypto sentiment, market fear, greed index, sentiment indicator Accepts payment on Base or Solana — either network works.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 25 of 372 listed endpoints. Next endpoints First endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.x402node.dev

Recent checks

3 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026
All 10 checks
When (UTC)ResultHTTPResponse
17 Oct, 12:25 UTCChallenge detected402317ms
16 Oct, 18:49 UTCChallenge detected402189ms
15 Oct, 11:37 UTCChallenge detected402186ms
14 Oct, 00:19 UTCChallenge detected402202ms
12 Oct, 00:34 UTCChallenge detected402194ms
10 Oct, 10:04 UTCChallenge detected402529ms
9 Oct, 06:42 UTCChallenge detected402186ms
8 Oct, 03:32 UTCChallenge detected402319ms
7 Oct, 00:45 UTCChallenge detected402193ms
3 Oct, 05:05 UTCChallenge detected402194ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 12:25 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for x402node?

Its listed price is $0.2.

What payment terms does x402node advertise?

The listing advertises x402, Base, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is x402node listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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