Crypto & Blockchain

Full Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block

Full Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block

Fetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber

Fetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber

Next transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs it has sent

Check if an Ethereum address is a contract via eth_getCode - returns deployed bytecode

Multi-chain portfolio snapshot with token balances and yield positions for a user's Otto AI Safe accounts across Base, Ethereum, Arbitrum, Polygon, BSC, Avalanche, and Solana.

Real-time gas price oracle for multiple EVM chains. Returns slow/standard/fast fee estimates, estimated transaction costs (ETH transfers, ERC-20 transfers, swaps), and network congestion status. Supports Base, Ethereum, Arbitrum, and Optimism.

Flip a coin for a small USDC payment on Base mainnet. Returns heads or tails.

Get historical "Token God Mode" (TGM) who bought/sold (Beta)

Get historical "Token God Mode" (TGM) token OHLCV (Beta)

Get historical "Token God Mode" (TGM) DEX trades (Beta)

Get historical "Token God Mode" (TGM) token flow summary (Beta)

AI-filtered crypto news and Twitter search for non-token topics (airdrops, DeFi trends, etc). Max 2 words.

Base-chain ecosystem news, AI-filtered hourly from Otto's live news engine: protocol launches and upgrades on Base, Coinbase/Base official moves, Base DeFi and token developments — a topic-scoped report for Base-native agents, not the general crypto firehose. Pairs with /base-season (KOL social signal) for the full Base picture.

Transaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mined Ethereum transaction

Transaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mined Ethereum transaction

ENS resolve - turn a .eth name into an address, or an address into its primary .eth name, via eth_call on OneSource live Ethereum RPC

ENS resolve - turn a .eth name into an address, or an address into its primary .eth name, via eth_call on OneSource live Ethereum RPC

Token security audit on any EVM chain — detect honeypots, hidden buy/sell taxes, proxy contracts, mintable supply, blacklist functions, and holder concentration risks. Covers Ethereum, BSC, Polygon, Arbitrum, Base, and 20+ chains. No API keys or rate limit management needed. Accepts USDC payments on Base and Solana

Stablecoin distribution by blockchain — total circulating USD-pegged value on every supported chain. Track stablecoin flows and chain-level liquidity. Accepts USDC payments on Base and Solana

Real-time BTC/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase Exchange.

Stablecoin market cap, top-10 breakdown by dominance, and 7d/30d supply flows (mint/burn) via DeFiLlama. Shows total stablecoin market cap, per-coin dominance %, and net capital entering/leaving crypto. 15-minute caching. Never fabricated — returns available:false when sources are unreachable. $0.01 USDC via x402.

Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementation address behind a proxy