Page metadata x402 REST usage
Fetch page metadata for a URL: title, description, OpenGraph, Twitter cards, canonical URL, favicon.
0.002 USDC per call
per call
agent402.tools
agent402.tools · 658 listed services · provider site
Tokenized asset markets x402 REST usage
Market data for tokenized real-world assets - tokenized stocks (Nvidia, Tesla, pre-IPO names), ETFs and commodities like gold - ranked by market cap or volume: price, market cap, 24h volume, 24h high/low and change, in y...
0.006 USDC per call
per call
Responses auto (OpenAI x402 REST usage
OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/auto and pay $0.01 per call in USDC, no API key, no signup. Same models, caps an...
0.01 USDC per call
per call
L2 gas comparison x402 REST usage
Current gas snapshot across Ethereum + supported L2s (Base, Polygon, Arbitrum, Optimism), sorted cheapest-first. Returns gas price in gwei, latest block number, chain id, and an isL2 flag per chain. Use to route a transa...
0.002 USDC per call
per call
Keyword extraction x402 REST usage
Top keywords and two-word phrases by frequency (stopwords removed). Cheap, deterministic signal for routing, tagging, and dedup.
0.002 USDC per call
per call
Pro image generation x402 REST usage
Higher-fidelity text-to-image on the OpenAI images wire: a prompt in, one 1024x1024 image out as inline base64, served by a pro-grade diffusion model in about ten seconds. Use it when an agent needs a finished picture fo...
0.05 USDC per call
per call
AI agent action preflight x402 REST usage
Deterministic preflight check for a proposed AI agent action - a tool call, payment, fetch, or write - before it executes. Evaluates up to four independent checks (prompt-injection scan on action text/untrusted text, URL...
0.01 USDC per call
per call
Crypto price history x402 REST usage
Historical price, market cap, and volume time series for a coin. Granularity is automatic: <=1 day = 5-min bars, 2-90 days = hourly, >90 days = daily. Days: 1, 7, 14, 30, 90, 180, 365, or "max". Returns aligned arrays of...
0.015 USDC per call
per call
Wallet token balances (indexed) x402 REST usage
All token balances for any address in one call, from an indexed chain-data API - ERC-20 + native on EVM, SPL on Solana; no per-token contract calls, no RPC wrangling. Networks: base, ethereum, base-sepolia, solana, solan...
0.002 USDC per call
per call
Uniswap V3 spot quote x402 REST usage
Spot quote for swapping through a Uniswap V3 pool at the current tick. amountIn is in human units (not wei). zeroForOne=true sends token0 → token1; false sends token1 → token0. Returns amountOut net of the pool's fee tie...
0.002 USDC per call
per call
Historical FX rate by date x402 REST usage
Historical foreign-exchange rate for a specific date using European Central Bank reference rates. Returns the rate that was published on (or rolled forward to) the requested date.
0.002 USDC per call
per call
Skill: Schema guard x402 REST usage
Contract-test a JSON payload in one call: validate it against your schema, infer the schema the payload actually implies, diff the two to expose drift, and return a normalized pretty-print. Schema guard skill pack: one x...
0.004 USDC per call
per call
Skill: Locale brief x402 REST usage
"Can I reach this counterparty this week?" - country facts, this year's public holidays, working days remaining this week, and what time it is there right now, in one call. Locale brief skill pack: one x402 payment runs...
0.004 USDC per call
per call
NFT owner lookup (ERC-721 x402 REST usage
Who owns this NFT? Calls ownerOf(tokenId) on any ERC-721 contract on Ethereum, Base, Polygon, Arbitrum, or Optimism. Complements nft-holdings (which lists a WALLET's NFTs) - this answers by TOKEN. Keyless multi-endpoint...
0.002 USDC per call
per call
Token spot price (USD) x402 REST usage
Return the current USD spot price for an ERC-20 token, identified by its contract address and network. Sourced from an aggregated market price feed. Use this for portfolio-value calculations or to denominate a balance in...
0.001 USDC per call
per call
ERC-20 token metadata x402 REST usage
Resolve an ERC-20 contract address to its on-chain metadata: symbol, decimals, name, and logo URL where available. Use this to humanize a raw contract address before showing it to a user or before computing fiat values.
0.001 USDC per call
per call
RSI (relative strength index) x402 REST usage
Compute the relative strength index (Wilder's smoothing, default period 14) over a price series you supply, such as daily closes. Returns one value per input position (null until the first full period), the latest value,...
0.001 USDC per call
per call
Recent earthquakes (USGS) x402 REST usage
Real-time USGS earthquake feed: magnitude, place, time, depth, coordinates. Live government data, no key.
0.002 USDC per call
per call
JWT sign x402 REST usage
Mint a signed JSON Web Token (HMAC: HS256 default, HS384, HS512) from a payload + secret. Pairs with jwt-decode/jwt-verify to complete the trio. Deterministic - same payload, secret, and alg always produce the same token...
0.001 USDC per call
per call
DNS propagation check x402 REST usage
Resolve the same DNS record against 4 public resolvers (Google, Cloudflare, Quad9, OpenDNS) in parallel; surface divergences. The first call you make after a DNS change - confirms the world sees what you intended.
0.002 USDC per call
per call
JWT decode x402 REST usage
Decode a JWT without verification: header (algorithm), payload claims (subject, issuer, expiration), expiry status, and time remaining. (Decoding only - signatures are NOT verified.)
0.001 USDC per call
per call
Read Uniswap V3 pool state x402 REST usage
Read on-chain state of a Uniswap V3 pool: token0/token1 addresses + decimals, fee tier, current sqrtPriceX96, tick, in-range liquidity, and the decoded human-readable spot price (token1 per token0). One $0.002 call repla...
0.002 USDC per call
per call
Resolve Uniswap V3 pool address x402 REST usage
Look up the Uniswap V3 pool address for a token pair + fee tier on Ethereum, Base, Polygon, Arbitrum, or Optimism. Pass either order (tokenA/tokenB) - the factory sorts internally. Returns 0x0…0 if no pool has been deplo...
0.001 USDC per call
per call
DeFi protocol TVL x402 REST usage
Look up the current Total Value Locked (TVL) for a DeFi protocol from an open DeFi analytics API. Identify the protocol by its slug (uniswap, aave, lido, ethena, etc.). Returns the total TVL plus per-chain breakdown and...
0.001 USDC per call
per call
DeFi yield pool history x402 REST usage
Daily APY and TVL history for one yield pool, up to ten years, with a summary of latest, minimum, maximum and mean APY and the TVL change over the window. Use it when an agent is judging whether a pool's current yield is...
0.002 USDC per call
per call
DeFi protocol profile x402 REST usage
One DeFi protocol in full: TVL rank, TVL per chain, recent change, market cap to TVL, token, website, audits and parent, with name suggestions when the slug is unknown. Use it when an agent is researching a specific prot...
0.002 USDC per call
per call
CSV to Markdown table x402 REST usage
Convert CSV into a GitHub-flavored Markdown table (first row is the header).
0.002 USDC per call
per call
Crypto technical indicators x402 REST usage
RSI, MACD, EMA 20/50/200, SMA 20/50, Bollinger bands, ATR and VWAP computed deterministically from live candles for one coin and interval, with the latest series points and a plain-language summary. Use it when an agent...
0.002 USDC per call
per call
Contract bytecode check x402 REST usage
Is this address a contract, and what code does it hold? Returns isContract, deployed bytecode size, and the keccak-256 hash of the bytecode (stable fingerprint for comparing deployments) on Ethereum, Base, Polygon, Arbit...
0.002 USDC per call
per call
Neural web search x402 REST usage
Neural (embedding-based) web search over a curated web index, which finds pages by meaning rather than keyword overlap. Use it when a keyword engine returns the wrong thing: conceptual questions, 'pages like this one', o...
0.012 USDC per call
per call
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