Blockchain And Crypto x402 offerings

Quick crypto market snapshot: price for a specific coin, trending coins, and global market stats (total cap, BTC dominance, volume) - one call. Crypto market brief skill pack: one x402 payment runs 3…

Live yield opportunities across DeFi, filterable by chain, protocol, token symbol, stablecoin-only, minimum TVL and minimum APY: pool identity, TVL in dollars, total APY split into base and reward, 1…

Live gas price snapshot for a chain - slow / standard / fast tiers in gwei, plus the latest base fee. Sampled from eth_feeHistory (last 4 blocks, 25th/50th/90th percentile priority fees). Use to esti…

Resolve a 4-byte function selector or a 32-byte event topic hash to its known human-readable Solidity signatures, via the openchain.xyz signature database with 4byte.directory as fallback. Unknown se…

One call answers 'can this wallet pay right now?' - USDC balances on Base AND Solana, live Base gas, and a ready-to-share card onramp funding link if it's running dry. Agent wallet readiness check sk…

Full wallet activity review: balance, recent transactions, and token metadata for a given address. Wallet audit skill pack: one x402 payment runs 3 underlying tools (wallet-balance, wallet-transactio…

Top DEX pools (Uniswap, Sushi, Curve, Aerodrome, etc.) ranked by current TVL - filterable by chain and project. Sourced from an open DeFi analytics yields API (keyless). Each row carries chain, proje…

Live spot price for up to 25 coins by coin id, one row per id in the order asked: prices[] of {id, price, change24h, lastUpdated}. Identify coins by their coin ID slug (bitcoin, ethereum, solana, usd…

Every DEX pair trading a Solana token mint (Raydium, Orca, Meteora, Pump.fun AMM and the rest), sorted by liquidity: pair address, DEX, price in USD and in the quote token, liquidity, FDV and market …

Blockchains ranked by DeFi total value locked with each chain's share of the total, native token, EVM chain id and CoinGecko id. Use it when an agent is comparing chains by DeFi activity or needs the…

Daily total value locked history for one chain or for all of DeFi, up to ten years of points, with latest, first, minimum, maximum and mean and the change over the window. Use it when an agent is cha…

Ask Base anything in one paid call: your SQL runs against indexed, DECODED chain data (events with parsed parameters, transactions, blocks, user-ops) with the live schema alongside - no indexer, no R…

Every listed perpetual ranked by current funding rate, the most positive and most negative N with open interest and 24h volume beside each, from a live venue feed. Use it when an agent is screening f…

Return the most recent asset transfers (incoming + outgoing) for a wallet address - native coin, ERC-20, ERC-721, ERC-1155 - already merged and sorted newest first. Each row carries the block, tx has…

USD price for up to 50 Solana token mints in one call from a Solana DEX aggregator's price API: price, 24h change, liquidity, decimals and the block the price was read at. Mints the aggregator does n…

Every transaction receipt in one block, fetched as a single upstream read and summarized: tx count, succeeded vs failed, total gas used, total fees, log count, contract creations, tx-type mix - plus …

Find the cheapest gas right now: Base gas, Ethereum gas, Base fee estimate, and ETH price for USD conversion. Gas optimizer skill pack: one x402 payment runs 3 underlying tools (gas-snapshot, gas-est…

Protocols ranked by fees paid by users or by revenue kept, with 24h, 7d, 30d, 1y and all-time totals, change, category and chains, and chain-level gas fees on request. Use it when an agent is compari…

Return the NFTs owned by a wallet address on a given network. Each row carries the collection name, contract address, token ID, image URL (where available), and ERC-721 vs ERC-1155 standard. Up to 10…

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 resear…

List EAS (Ethereum Attestation Service) attestations for an address as recipient, attester, or either, on mainnet/Base/Optimism/Arbitrum/Sepolia. Returns attestation id, attester, recipient, schema i…

The whole crypto perp market in one call: advancers versus decliners, mean, median and volume-weighted 24h change, total open interest and volume, top contracts by volume, the day's gainers and loser…

Write an on-chain attestation (Ethereum Attestation Service on Base) that binds a call you paid for to the bytes you received: the tool slug, sha256 of the JSON response, the settlement chain and tra…

Pull live price, market structure, OHLC history, trending status, global market context, and recent news for a single coin in one pass. Crypto research skill pack: one x402 payment runs 7 underlying …