Evm fee history x402 REST usage
Recent base-fee and priority-fee history — Genesis402 / UnyKorn Operator Network
0.004 USDC per call
per call
Evm
381 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
ERC-20 Allowance x402 REST usage
How much a spender (router, Permit2, protocol) is approved to move from an owner's ERC-20 balance, with an unlimited-approval flag. Use to check approvals before a swap or to audit risky approvals.
0.002 USDC per call
per call
EVM Block x402 REST usage
An EVM block by number or tag (latest, finalized, safe): hash, parent, time, miner, gas used and limit, base fee, size and its transaction hashes.
0.002 USDC per call
per call
Gas Estimate x402 REST usage
Estimate the gas a transaction will use (eth_estimateGas) and its cost at the current gas price, with a 20% buffer; fails clearly when the call would revert. Use before signing.
0.002 USDC per call
per call
EVM Network Info x402 REST usage
Live state of an EVM network: chain ID, latest block number and age, gas price, base and priority fee, block gas use and tx count. Use as a health check before sending transactions.
0.002 USDC per call
per call
NFT Owner x402 REST usage
Current owner of an ERC-721 NFT by contract and token ID. Use to verify ownership for token gating, sales or airdrops.
0.002 USDC per call
per call
Account Nonce x402 REST usage
Next transaction nonce of an EVM address (confirmed and pending), pending tx count, native balance, contract flag and EIP-7702 delegate. Use before signing or to detect stuck transactions.
0.002 USDC per call
per call
Proxy Detector x402 REST usage
Detect upgradeable proxies: EIP-1967 transparent/UUPS, beacon, EIP-1822, ZeppelinOS, EIP-1167 clones and Safe-style proxies, returning implementation, admin and beacon addresses. Use for audits and to fetch the real ABI.
0.002 USDC per call
per call
Transaction Receipt x402 REST usage
Receipt of a mined EVM transaction: success or revert, gas used, effective gas price, fee (and L2 L1 fee), created contract and event logs with Transfer and Approval decoded. Use to confirm a payment or swap.
0.002 USDC per call
per call
Token Total Supply x402 REST usage
Total supply, name, symbol and decimals of an ERC-20 or ERC-721 contract, read on-chain. Use for market-cap math, supply checks and token due diligence.
0.002 USDC per call
per call
Forest Web x402 REST usage
Convert one bounded fiat amount using the latest successfully fetched European Central Bank daily foreign-exchange reference table. Forest returns the ECB observation date and deterministic cross-rates through EUR. Fresh...
0.001 USDC per call
per call
P0 x402 Market Index x402 REST usage
Use when an agent needs x402 market totals. Returns catalogue size and 30-day totals: services, calls, unique paying wallets, with the snapshot hash
0.001 USDC per call
per call
Evm call x402 REST usage
Simulate any read-only contract call — Genesis402 / UnyKorn Operator Network
0.003 USDC per call
per call
Evm estimate gas x402 REST usage
Estimate the gas a transaction would use, before signing it — Genesis402 / UnyKorn Operator Network
0.003 USDC per call
per call
Evm receipt x402 REST usage
Transaction receipt — did it succeed, what did it cost, what did it emit — Genesis402 / UnyKorn Operator Network
0.003 USDC per call
per call
Multichain RPC/gas x402 REST usage
Live gas prices: EIP-1559 base fee plus low/medium/high priority tiers in gwei, and the estimated cost of a simple transfer.
0.001 USDC per call
per call
Mint Intel: Base chain data x402 REST usage
Next transaction nonce for any Base wallet via eth_getTransactionCount (latest + pending) - how many transactions it has sent and how many are still pending.
0.001 USDC per call
per call
Mint Intel: Ethereum chain data x402 REST usage
ETH/USD read straight from Ethereum state, no CEX or API key: the Chainlink ETH/USD feed (latestRoundData) plus the Uniswap v3 WETH/USDC 0.05% pool spot price in one RPC batch. Median of fresh sources, per-source price,...
0.001 USDC per call
per call
Mint Intel Pro x402 REST usage
One answer with every tip topic (Solana slot/height, Solana priority-fee percentiles, on-chain SOL/USD, Base gas and Ethereum gas), each with its seq, observedAt and age. Served from the shared hub: each topic refreshes...
0.002 USDC per call
per call
Uniswap v3 On-Chain Price x402 REST usage
Spot price of a token pair read directly from the deepest Uniswap v3 pool on Ethereum, Base, Arbitrum, Optimism or Polygon: price, inverse, fee tier, tick and liquidity. Tokens by symbol or address.
0.002 USDC per call
per call
EVM Nonce Gap Check x402 REST usage
EVM Nonce Gap Check: calculates the gap between pending and proposed transaction nonces using only bounded caller-supplied values. Call when you need a bounded evm nonce gap check result before signing, submitting, repla...
0.001 USDC per call
per call
Delx Chain Network Info x402 REST usage
Look up supported blockchain network metadata and chain IDs for $0.001 USDC. Static first-party registry only—no live RPC, balances, blocks, receipts, gas, or contract reads. Call when you need this bounded result withou...
0.001 USDC per call
per call
AgentRXI x402 REST usage
JSON-RPC read access to EVM chains (base, ethereum, polygon, arbitrum, optimism) with no API key. Send a standard JSON-RPC body (eth_call, eth_getBalance, eth_blockNumber, eth_getLogs). Also callable as GET with the same...
0.002 USDC per call
per call
QuickBuild x402 REST usage
Drop-in OpenAI Embeddings endpoint: POST {input: string | string[], model, encoding_format: float|base64, dimensions} and get {object: "list", data: [{embedding, index}], model, usage}. Models (Cloudflare Workers AI): bg...
0.001 USDC per call
per call