Blockchain And Crypto x402 offerings

Current and historical funding rate for one perpetual futures market, from a live derivatives venue: hourly rate, the 8-hour and annualized equivalents, the mark-vs-oracle premium, and a window of pa…

Resolve a Solana token by mint, ticker or name through a Solana DEX aggregator's token index and get its profile in one read: name, symbol, decimals, price, market cap, FDV, liquidity, holder count, …

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…

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 co…

OHLCV candles for one perpetual at any interval from 1 minute to 1 month, up to the venue's history, with a window summary of open, close, change, high, low and volume. Use it when an agent needs pri…

Open interest for one perpetual in coins and USD notional with its share of the venue total, or the top N contracts ranked by open interest plus the venue total. Use it when an agent needs positionin…

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 de…

Top L2s by Total Value Locked (TVL) from an open DeFi analytics API. Returns each L2 with TVL in USD, native token symbol, and market-data coin ids. Classification combines the source's parent-chain …

Label a known EVM address from a curated, committed dataset: major stablecoin + token contracts (the USDC and USDG contracts of every EVM chain we settle on, USDC on Ethereum, USDT, DAI, WETH, WBTC),…

Run a decision's plan through Agent402: first-party steps run directly, third-party steps are paid on your behalf (paid on Base, or by credits or card) and relayed at the seller's price plus a disclo…

Your own purchase history, keyed to the wallet that pays for the call - no wallet parameter, no signup: the x402 payment IS the identity, so nobody can read another wallet's profile. Returns totals, …

Reverse-resolve a batch of Ethereum addresses to ENS primary names + avatar URLs (up to 50 per call). Returns one row per address with name (or null), displayName (with checksum if no name), and avat…

How much of an ERC-20 token a spender contract is approved to move from an owner wallet - the approval check an agent runs before a swap, a bridge, or an x402 transferWithAuthorization flow. Returns …

Revoke a previously granted wallet's access to your namespace.

Explain what an EVM transaction actually did: confirmation status, the raw transaction from the chain, decoded calldata with typed parameters, the resolved function signature, and labeled counterpart…

Decode EVM smart-contract transaction calldata into the function name and typed parameters. Supply an ABI (from /api/contract-abi) or a signature like transfer(address,uint256) for a fully offline de…

Run read-only SQL against indexed, DECODED blockchain data - base.events (decoded logs with parameters), base.transactions, base.blocks, base.decoded_user_operations, base.transaction_attributions (b…

Due-diligence a DeFi protocol in one workflow: live token price, market context, protocol TVL across chains, and recent news - the on-chain and off-chain picture together. DeFi protocol scanner skill…

ERC-20 balances of one wallet for a NAMED list of token contracts (1-20) - the targeted complement to the full-portfolio wallet-balance tool. One balance read for the whole list plus symbol/decimals …

Daily total stablecoin supply in USD over time, for all chains or one chain, per peg currency, with a window summary. Use it when an agent wants stablecoin supply as a liquidity or risk-appetite sign…

Fund any address with testnet money from a testnet faucet - USDC (1) or ETH (0.0001) on Base Sepolia, USDC (1) or SOL on Solana devnet - everything an agent needs to rehearse the complete x402 paymen…

Last N MEV-Boost-built blocks from a major MEV-Boost relay's public data API. For each block: slot, block number/hash, builder pubkey, proposer pubkey, gas used/limit, ETH paid to the proposer, and t…

Pure-CPU helper: turn a B20 feature string (e.g. base.b20_asset) into its bytes32 feature id and ready-to-send isActivated(bytes32) calldata for the Activation Registry. No network egress.

Safety verdict for one Solana token mint: a graded risk score with the concrete reasons behind it, mint and freeze authority state, how much of the liquidity pool is locked, top-holder concentration,…