api.x402node.dev publishes 527 machine-payable endpoints over the x402 protocol, priced from $0.00 to $3.0 per call. Each was probed directly; the response code below is what it returned.
Showing the first 200 of 527 endpoints on this host, ordered by path. Every one has its own page and appears in the sitemap.
Deterministically repair malformed JSON from LLM output - fixes trailing commas, single quotes, unquoted keys, markdown fences, comments and Python literals, returning parsed data. json repair, fix js…
Exact BPE token count for GPT-4o, GPT-4 and GPT-3.5 plus Claude and Llama estimates, for budgeting LLM context and cost before an API call. token count, tokenizer, count tokens, context length, llm co…
Lead enrichment for a company in one call: scrapes the company website for contact emails and social profiles, and pulls the local business record (phone, address, rating, category) from maps, then re…
Cross-seller price comparison for a product in one call: pulls live shopping listings via residential-IP scraping, parses prices, and returns the cheapest offer plus the price range and median across …
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 …
Single US airport status from FAA by code: closures, ground stops, ground delays, arrival delays with reasons and timing, or normal if clear. 单个美国机场状态（FAA）：关闭、地面停飞、延误详情。指定空港の運航状況。Estado de un aeropuer…
Live airport departures board by IATA code: upcoming departing flights with destination, airline, terminal, gate, scheduled and revised times. 机场离港航班板：即将起飞航班的目的地、航司、登机口、时刻。空港出発便ボード。Tablero de salidas …
US airport status from FAA: all airports currently with closures, ground stops, ground delays or arrival delays, with reasons and times. Official FAA NAS status data. 全美机场状态（FAA官方）：当前关闭、地面停飞、延误的机场及原因。…
Real-time flight status by flight number: live departure/arrival times, delay minutes, gate, terminal, baggage belt, runway, aircraft, codeshare. 航班实时动态查询：起飞到达时刻、延误、登机口、航站楼、行李转盘。航空便フライト運航状況：遅延・ゲート・ターミ…
Flight delay check by flight number: is it delayed, departure and arrival delay in minutes, scheduled vs revised times. Quick yes/no delay verdict for travel agents. 航班延误判定：是否延误、起降延误分钟数。遅延判定：何分遅れ。Veri…
Universal flight status lookup by number and optional date: scheduled vs actual times, delay, gate, terminal, baggage carousel, aircraft type, route distance. 通用航班状态：按航班号+日期查计划与实际时刻、延误、登机口。日付指定フライト照会。…
US ground stops and ground delay programs from FAA: airports with active ground stops or ground delays, reasons and average delay. Key for flight disruption monitoring. 全美地面停飞与地面延误：受影响机场及原因、平均延误。地上停止プ…
Transaction count (nonce) for an address across 7 EVM chains, including pending vs confirmed to reveal stuck mempool transactions - agents need the correct nonce to build and send transactions and to …
Profile any address on five EVM chains: contract or EOA detection, bytecode size, transaction nonce and native balance. address type, contract detection, is contract or wallet, address profile, eoa ch…
Detect whether an address is an EOA, generic contract, Gnosis Safe multisig, ERC20 token, ERC721 NFT or upgradeable proxy via on-chain probing, with an interaction hint - critical for agents because e…
Check whether a wallet holds or has claimed a specific airdrop/token contract balance on EVM chains, with symbol and formatted amount. airdrop check, claim eligibility, token balance check, airdrop cl…
Check the exact ERC20 allowance an owner granted a spender and flag unlimited approvals that let a contract drain funds - a pre-transaction safety check agents need that LLMs cannot perform. allowance…
Native coin balance for any address on Ethereum, Base, Arbitrum, Optimism or Polygon, optionally an ERC20 token balance with symbol and decimals. wallet balance, eth balance, erc20 token balance, chec…
Native token balance of an address across major EVM chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BSC) in a single call, each valued in USD with a portfolio total. Aggregates multiple RPCs and …
Base L2 mainnet current gas price (gwei) via LlamaRPC eth_gasPrice. Use no params. Built for AI agents pricing Base swaps, x402 settlements, and L2 deploy costs, base gas fee estimate Accepts payment …
Block info on five EVM chains, latest by default or by number: timestamp, transaction count, gas used, base fee and sample transaction hashes. latest block, block number lookup, block timestamp, chain…
Latest block on 7 EVM chains with gas utilization and a congestion rating (low/moderate/high) plus block age - lets agents check chain liveness and whether the network is busy before submitting a tran…
Bitcoin address balance and stats via blockstream.info (no key). Returns confirmed/unconfirmed sats and BTC, tx count. Use ?address=bc1... or 1.../3.... Built for AI agents tracking BTC wallets and tr…
Bitcoin recommended fee rates (sat/vB) for fast/half-hour/hour/economy/minimum via mempool.space. Use no params. Built for AI agents constructing BTC transactions, fee estimation UIs. Accepts payment …
Onchain ETH, BTC or LINK USD price straight from Chainlink mainnet oracles with round id, update time and the feed address for auditability. token price, eth price usd, btc price oracle, chainlink pri…