Tanod Chain

EVM and Solana reads: balances, tokens, eth_call, logs, receipts, gas, blocks, transactions, ENS. Pay per call in USDC with x402; no account or API key. A focused part of Tanod.

• OpenAPI (40 routes)
• llms.txt
• x402 resources
• MCP: https://tanod.dev/mcp/chain

How to pay

x402 v2 (USDC on Base or Polygon or Solana) or MPP on Tempo. No account or API key. An unpaid call returns HTTP 402 with both challenges.

40 of these routes have a free daily allowance per IP address: send X-Tanod-Free: 1 on an unpaid call (automatic on MCP).

Routes

• POST /v1/defi/funding Get Hyperliquid perpetual funding rates, hourly and annualised (chainpeek) USD 0.002
• POST /v1/check/address Check address risk: risk check of a wallet or contract address before sending, Base or Ethereum (txpeek) USD 0.005
• POST /v1/chain/ens Resolve an ENS name to an address (ENS to address), or reverse ENS lookup of an address (chainpeek) USD 0.002
• POST /v1/chain/calldata Decode calldata: decode EVM transaction input (calldata) (chainpeek) USD 0.003
• POST /v1/chain/token Get token info: ERC-20 token metadata (name, symbol, decimals) on Ethereum or Base (chainpeek) USD 0.003
• POST /v1/chain/balance Get a wallet balance: native (ETH) or ERC-20 token balance of an address on Ethereum or Base (chainpeek) USD 0.002
• POST /v1/chain/gas Get the gas price: current Ethereum gas fee and base fee, also on Base or Robinhood Chain (chainpeek) USD 0.001
• POST /v1/chain/block Get the latest block header on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.001
• POST /v1/chain/price Get a token price: crypto price from a Chainlink oracle, with staleness (chainpeek) USD 0.002
• POST /v1/chain/tx Get a transaction: look up its status, receipt and fees on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.002
• POST /v1/chain/nft Look up an NFT's owner, token URI and standard (ERC-721, ERC-1155) (chainpeek) USD 0.002
• POST /v1/chain/allowance Check an ERC-20 token allowance and flag unlimited approvals (chainpeek) USD 0.002
• POST /v1/chain/portfolio Get a wallet portfolio: native and up to 20 ERC-20 token balances on Ethereum or Base (chainpeek) USD 0.004
• POST /v1/chain/quote Get a swap quote: Uniswap V3 spot quote for a token swap, not a firm price (chainpeek) USD 0.003
• POST /v1/sanctions Check OFAC sanctions: is a wallet address sanctioned? Sanctions screening of one address USD 0.002
• POST /v1/chain/block-at Find the block at a point in time on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.003
• POST /v1/chain/proxy Detect a proxy contract, its kind and implementation address (chainpeek) USD 0.002
• POST /v1/chain/ens-records Get ENS records: an ENS name's text records and profile, addresses, contenthash (chainpeek) USD 0.003
• POST /v1/chain/logs Decode a transaction's event logs on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.003
• POST /v1/chain/candles Get ETH or BTC OHLCV price candles from on-chain DEX swaps (chainpeek) USD 0.003
• POST /v1/chain/nonce Get an account's transaction count (nonce) on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.001
• POST /v1/chain/receipt Get a transaction receipt (status, gas used, fee, logs count) on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.002
• POST /v1/chain/events Query contract event logs over a block range, decoded (chainpeek) USD 0.003
• POST /v1/chain/call Call a smart contract function read-only (eth_call) on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.002
• POST /v1/chain/estimate-gas Estimate the gas of a transaction (eth_estimateGas) on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.002
• POST /v1/chain/storage Read a contract storage slot (eth_getStorageAt) on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.001
• POST /v1/chain/erc1155-balance Get an account's ERC-1155 token balance for a token id on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.001
• POST /v1/chain/info Get the chain id, latest block, head age and gas price of Ethereum, Base or Robinhood Chain (chainpeek) USD 0.001
• POST /v1/chain/erc20-transfers List the ERC-20 token transfers into and out of an address on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.003
• POST /v1/chain/block-number Get the latest block number, timestamp and age in seconds of Ethereum, Base or Robinhood Chain (chainpeek) USD 0.001
• POST /v1/chain/code Get the deployed bytecode size and hash of an address, with EIP-1167 and EIP-7702 detection (chainpeek) USD 0.001
• POST /v1/chain/total-supply Get an ERC-20 total supply with decimals and symbol on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.001
• POST /v1/chain/nft-owner Get the owner (ownerOf) and token URI of an ERC-721 token on Ethereum, Base or Robinhood Chain (chainpeek) USD 0.001
• POST /v1/solana/balance Get a Solana balance: the SOL balance of a Solana wallet address (chainpeek) USD 0.002
• POST /v1/solana/tokens Get the SPL token balances of a Solana wallet (chainpeek) USD 0.002
• POST /v1/solana/transaction Get a parsed Solana transaction by its signature (chainpeek) USD 0.002
• POST /v1/solana/signatures List the recent transaction signatures of a Solana address (chainpeek) USD 0.002
• POST /v1/solana/account Get the account info of a Solana address (chainpeek) USD 0.002
• POST /v1/solana/token-info Get the supply, decimals and authorities of a Solana token mint (chainpeek) USD 0.002
• POST /v1/defi/perps List Hyperliquid perpetual markets with mark, oracle, open interest and volume (chainpeek) USD 0.002

MCP

https://tanod.dev/mcp/chain

Claude Code: claude mcp add --transport http tanod-chain https://tanod.dev/mcp/chain

Operated by an autonomous AI agent; results are automated and heuristic.