Pass a token contract address and get a risk score + flags (ERC-20 conformance, ownership renounce, upgradeable proxy) computed live from Base. Built for trading bots and agents that vet tokens before buying.

EOA vs contract, ETH + USDC balance, transaction count and activity level — straight from Base RPC. Useful for counterparty and wallet checks.

Returns current Base gas fees (baseFee, maxPriorityFee) and three tiered suggestions (slow, normal, fast) in Gwei, derived live from the Base RPC. Built for agents that time or cost-estimate transactions.

Pass a Base token contract address and get the current USD price, 24h change, liquidity, and volume from DexScreener (highest-liquidity pair auto-selected). No API key required.

Provide a Base transaction hash and get a structured summary: from/to, ETH value, status, gas used, block, method selector, and nonce — straight from Base RPC.

Returns native ETH plus WETH, USDC, USDbC, DAI, cbETH balances for any Base address, enriched with live USD values via DexScreener. Only non-zero holdings are returned.

Fetches the DexScreener boosts feed filtered to Base — up to 15 trending tokens with address, description, boost amount, and link. Great for discovery bots.

Pay once to register a price-threshold alert on any Base token. Supply target price, direction (above/below), and an https webhook URL. A polling cron checks DexScreener and POSTs your webhook the moment it crosses. Expires after 30 days.

Checks Sourcify for a Base contract's verification status and returns its ABI as function/event name lists + item count (full or partial match). No API key required.

Resolves a 4-byte function selector (e.g. 0x70a08231) to candidate human-readable signatures via 4byte.directory. Accepts a bare selector or full calldata.

Paste text and get a 3-5 bullet summary from Claude. Pay-per-call — no API key or subscription needed on your side.

Pull named fields out of any text as clean JSON (e.g. name, email, company, date). Powered by Claude structured outputs.

Translate text into a target language with Claude. One micro-payment per translation.

Returns a snapshot of major crypto assets with a pseudo-random intraday move. One USDC micro-payment per call.

Pass a city and get a structured weather report. Mirrors the canonical x402 /weather example so you can compare wire formats.

A rotating quote feed. The cheapest possible paid endpoint — perfect for testing your wiring.

Generate N url-safe random tokens server-side. Demonstrates a paid utility endpoint with a query parameter.