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api.x402node.dev

539 resources

Resource Activity

via Bazaar · last 30 days
Total calls
4,163
Unique payers
2,694
Est. volume (30d)
$64.06
~$2.14/day
Last called
Jul 22, 2026

Top resources by calls

ResourceCallsUnique payers
api.x402node.devReal-time forex / exchange rates from the European Central B8130
api.x402node.devTotal value locked for any DeFi protocol with per-chain brea7229
api.x402node.devConvert CNY to USD at live rate. Pass ?amount=100 for value 7022
api.x402node.devLive crypto prices via CoinGecko. Pass symbol=BTC (or ETH, S6821
api.x402node.devFX套息利差排名:基于38国央行政策利率(BIS官方)计算货币对carry利差,借低息买高息,按利差降序排名。可指定融资6520
api.x402node.devConvert an amount between currencies at current ECB rate. Re6530
api.x402node.devLive gas price across Base, Ethereum, Arbitrum, Optimism, Po6424
api.x402node.devConvert USD to CNY at live rate. Pass ?amount=100 for value 6322
api.x402node.devUS airport status from FAA: all airports currently with clos6121
api.x402node.devHeuristic on-chain labels for any address - contract vs EOA,5921

All Resources

api.x402node.dev
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 json, parse llm json, broken json, json fixer, malformed json
n/a
api.x402node.dev
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 cost estimate, tiktoken
n/a
api.x402node.dev
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 returns a single structured lead. Built on residential-IP scraping with multi-source aggregation that an agent cannot easily replicate. lead enrichment, company emails, find contact, b2b prospecting, company phone address, sales lead
$0.10 USDC
api.x402node.dev
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 sellers. For deal-finding and repricing agents. price comparison, cheapest price, compare sellers, product price check, best deal, shopping
$0.05 USDC
api.x402node.dev
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.
$0.20 USDC
api.x402node.dev
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 aeropuerto. 단일 공항 상태. Query: ?airport=JFK
$0.005000 USDC
api.x402node.dev
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 del aeropuerto. 공항 출발 항공편. Query: ?airport=JFK Accepts payment on Base or Solana — either network works.
$0.20 USDC
api.x402node.dev
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。米国空港運航状況。Estado de aeropuertos de EEUU. 미국 공항 운영 상태. Accepts payment on Base or Solana — either network works.
$0.005000 USDC
api.x402node.dev
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・ターミナル。Estado de vuelo en tiempo real: retraso, puerta. 항공편 실시간 운항 상태: 지연, 게이트. Query: ?flight=AA100 Accepts payment on Base or Solana — either network works.
$0.15 USDC
api.x402node.dev
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。Verificacion de retraso de vuelo. 항공편 지연 확인. Query: ?flight=AA100
n/a
api.x402node.dev
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。Consulta de vuelo por numero y fecha. 항공편 번호와 날짜로 조회. Query: ?flight=AA100 or ?flight=AA100 date=2026-06-23
n/a
api.x402node.dev
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。地上停止プログラム。Programas de retraso en tierra. 지상 정지 프로그램.
$0.006000 USDC
api.x402node.dev
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 detect pending txs. nonce, transaction count, account nonce, pending transactions, next nonce, tx count
$0.005000 USDC
api.x402node.dev
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 check, onchain identity
$0.005000 USDC
api.x402node.dev
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 each type requires completely different handling before transacting. address type, is contract or eoa, multisig detection, safe wallet, contract type, eoa or contract
$0.006000 USDC
api.x402node.dev
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 claimed, wallet holdings
n/a
api.x402node.dev
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 risk, approval risk, unlimited approval, spender risk, revoke check, token approval safety
$0.005000 USDC
api.x402node.dev
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, check address balance, multichain balance
n/a
api.x402node.dev
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 prices so an agent gets cross-chain holdings in one request. Live. multichain balance, cross chain holdings, wallet native balance, portfolio
$0.01 USDC
api.x402node.dev
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 on Base or Solana — either network works.
$0.005000 USDC
api.x402node.dev
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 head, block explorer data Accepts payment on Base or Solana — either network works.
$0.004000 USDC
api.x402node.dev
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 transaction, real-time data. block info, latest block, chain congestion, network busy, block height, gas utilization
$0.004000 USDC
api.x402node.dev
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 treasury balances.
$0.005000 USDC
api.x402node.dev
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.
$0.005000 USDC
api.x402node.dev
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 price feed, onchain price data
$0.004000 USDC
api.x402node.dev
Bytecode size of an address across 7 EVM chains - zero means a regular wallet (EOA), non-zero means a contract with the byte count indicating complexity - a fast primitive for agents to distinguish wallets from contracts before interacting. code size, is contract, bytecode size, eoa or contract, contract bytecode, account code
$0.004000 USDC
api.x402node.dev
Fetch the verified ABI of a smart contract with function and event signatures across multiple EVM chains - required for agents to correctly encode contract calls, which LLMs cannot retrieve live. contract abi, get abi, contract interface, function signatures, abi fetch, contract methods
n/a
api.x402node.dev
Find who deployed a contract and in which transaction on Ethereum mainnet - lets agents verify a contract's deployer and origin before trusting it, provenance data LLMs cannot look up. contract creator, who deployed, contract deployer, deployment tx, contract origin, contract provenance
n/a
api.x402node.dev
Check 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
$0.005000 USDC
api.x402node.dev
Map an address's most frequent counterparties from token transfers with known exchange and entity labels - reveals who a wallet deals with (exchanges, contracts, related wallets) for counterparty due diligence and relationship mapping - intelligence agents cannot assemble, from labelled data behind an API key. counterparties, who do they trade with, wallet relationships, address connections, counterparty analysis, related wallets, entity labels
$0.02 USDC
api.x402node.dev
Build 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
$0.01 USDC
api.x402node.dev
Total value locked for any DeFi protocol with per-chain breakdown via DefiLlama, by protocol slug such as aave-v3 or uniswap. defi tvl, protocol tvl, total value locked, defillama tvl, protocol metrics Accepts payment on Base or Solana — either network works.
$0.005000 USDC
api.x402node.dev
Current USD price for any ERC20 token aggregated across DEXs and price sources via DefiLlama, with confidence score, on EVM chains. token price, dex price, erc20 usd price, defi token value, onchain price feed
n/a
api.x402node.dev
The earliest buyers of a token in chain order with wallet labels - reveals who got in first, the early smart money, insiders or snipers, so agents can study entry patterns and follow early movers, from data behind an API key. early buyers, first buyers, who bought first, token snipers, early movers, smart money entry, insider buyers
n/a
api.x402node.dev
Resolve ENS names to Ethereum addresses and reverse resolve addresses to their primary ENS name on mainnet. ens resolve, ens lookup, ens name to address, reverse ens, ethereum name service, eth domain resolver
n/a
api.x402node.dev
Fetch ENS profile text records for a name: avatar, url, twitter, github, email, description, plus the resolved address. ens records, ens profile, ens avatar, ens twitter lookup, ens text record, ethereum name service metadata
$0.006000 USDC
api.x402node.dev
Total supply, name, symbol and decimals for any ERC20 token contract on Ethereum, Base, Arbitrum, Optimism or Polygon. token supply, erc20 total supply, circulating supply, token info, coin supply
n/a
api.x402node.dev
Ethereum mainnet native ETH balance for an address via LlamaRPC (no API key). Returns wei, eth, and optional USD value. Use ?address=0x... and with_usd=true. Built for AI agents doing portfolio reporting, fraud screening, and wallet onboarding.
$0.005000 USDC
api.x402node.dev
Ethereum mainnet current gas price (gwei) via LlamaRPC eth_gasPrice plus latest block base fee. Use no params. Built for AI agents timing on-chain ops, contract deployment cost estimation, ethereum gas fee estimate
$0.005000 USDC
api.x402node.dev
Ethereum transaction details and receipt by hash via LlamaRPC. Returns from, to, value, gas, status, block, logs count, contract address (if created). Use ?hash=0x.... Built for AI agents auditing payments, debugging contract calls, monitoring on-chain activity.
n/a
api.x402node.dev
Trace the first incoming transfer that funded a Base address: funder address, asset, amount, block and time. Pairs with x402 dewash for sybil cluster and burner wallet analysis. wallet funding source, first funder, who funded this wallet, sybil detection, wallet provenance, burner cluster
$0.01 USDC
api.x402node.dev
Live gas price across Base, Ethereum, Arbitrum, Optimism, Polygon and BSC sorted cheapest first - lets agents pick the cheapest chain to execute an operation right now, real-time data that changes constantly and LLMs cannot know. gas comparison, cheapest chain, multi chain gas, gas prices, which chain cheapest, cross chain gas Accepts payment on Base or Solana — either network works.
$0.005000 USDC
api.x402node.dev
Estimates the USD gas cost of a common action (transfer, erc20-transfer, approve, swap, nft-mint) across EVM chains, combining live gas price per chain with the native token price. Lets an agent pick the cheapest chain to execute and budget a transaction. Live aggregated gas + price compute. gas cost estimate, transaction fee usd, cheapest chain to execute, swap gas
$0.01 USDC
api.x402node.dev
Live gas oracle with slow, standard and fast fee tiers computed from recent block fee history - current base fee plus recommended priority fees and the cost of a standard transfer, so agents can set the right gas price and decide when to submit transactions. gas oracle, gas price, recommended gas, gas fee tiers, optimal gas, priority fee, gas estimate, when to transact Accepts payment on Base or Solana — either network works.
$0.006000 USDC
api.x402node.dev
Top token holders and whale concentration for an ERC20 on Base, estimated from recent Transfer events, with each holder's percentage. token holders, holder distribution, whale concentration, top holders, token ownership, holder analysis
$0.01 USDC
api.x402node.dev
Token holder statistics with growth trend - total holders, how they acquired the token (swap/transfer/airdrop) and holder count change across time windows flagged as accumulating or distributing - an adoption and accumulation signal for agents that LLMs cannot see, from data behind an API key. holder stats, holder count, holder growth, token adoption, accumulation signal, holders increasing, holder change
$0.01 USDC
api.x402node.dev
Heuristic honeypot and risk check for an ERC20 token via on-chain eth_call - detects active owner control and transfer restrictions that can trap buyers, on Ethereum and Base. honeypot check, honeypot detector, can i sell token, token scam check, rug detection, transfer restriction Accepts payment on Base or Solana — either network works.
$0.01 USDC
api.x402node.dev
Uniswap V2 and Aerodrome LP position math on Base: underlying token amounts, pool share, current value, and impermanent loss versus holding. Give a pool address plus your LP amount or wallet. Search terms: LP position value, impermanent loss calculator, liquidity pool share, Aerodrome, Uniswap V2, AMM math.
n/a
api.x402node.dev
Real-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
$0.004000 USDC
api.x402node.dev
Current gas price across Ethereum, Base, Arbitrum, Optimism and Polygon in one call, returns gwei gas price and latest base fee per chain. multichain gas price, gas fee comparison, gwei, l2 gas tracker, cheapest chain for transaction
$0.006000 USDC
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