231 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
ERC-20 token metadata on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base): name, symbol, decimals and totalSupply (raw + human), read live from contract state by address.
Is an address a contract or an EOA on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base)? Returns is_contract, deployed code size in bytes, and the keccak256 code hash (eth_getCode).
Look up a transaction by hash on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base): from/to/value/nonce/gas, block, and receipt fields (status, gasUsed, logs count). Pending/not-found handled.
Plain-language explanation of an EVM transaction by hash across 12 networks: net token movements per participant (ERC-20, ERC-721, ERC-1155, native, WETH), the operation type (swap, transfer, approve, mint, deploy, wrap,...
Basename/ENS resolution on Base: forward name->address (give 'name') or reverse address->name (give 'address', forward-verified against spoofing).
Recent DEX swap history + buy/sell flow for a token or pool on Base: per-swap trader/side/amount/price plus a summary (count, buy/sell volume, net flow, largest swaps), decoded by us from public Aerodrome/Uniswap-V3 Swap...
Paid x402 buyer-side wallet preflight (cycle 184, x402 $0.001) - GET ?route=<API_ROUTE>&amount=<ATOMIC> generates an ephemeral in-process key, signs a REAL EIP-3009 TransferWithAuthorization against the seller's USDC con...
Paid TLS server-cert trust chain inspection (cycle 126, x402 $0.001) - opens TLS via ssl.create_default_context, pulls full DER chain via get_verified_chain(), parses each cert (subject/issuer/not_before/not_after/key_ty...
Paid DNS CNAME chain tracer (cycle 175, x402 $0.001) - accepts ?host=<HOST> OR ?domain=<HOST> OR ?url=<URL>; actively follows CNAME + A/AAAA hops via Cloudflare DoH for the target host (up to 12 hops with loop detection)...
Paid redirect-chain map (cycle 95) — follows 3xx chain up to 15 hops without auto-follow (custom HTTPRedirectHandler); per-hop status+location+scheme_change+latency_ms+content_length; detects redirect loops, cross-domain...
Paid DNSSEC chain-of-trust audit via x402
Paid AI bot policy audit via x402
Paid crypto token market verdict card (cycle 209, x402 $0.005) - GET ?token=<SYMBOL_OR_ID> OR ?contract=<0x...> OR ?sample=1|2|3 OR POST application/json {token|contract}. Uses the KEYLESS CoinGecko public API (no API ke...
Base or Ethereum contract address -> ABI and function list: Sourcify verification (exact/partial match), contract name, compiler, ABI, function selectors + signatures, event topics; proxies (EIP-1967, ZeppelinOS, others...
Instant 30-Day Prepaid API Key Pass (ak_live_...) for AI agents, LangChain, n8n, Make.com, and developers. Unlocks all 23 paid per-call Agent Kiosk REST & MCP intelligence tools for 30 days via X-API-KEY header without p...