# Services from ari001.tailb4ac3a.ts.net on Zero

> ari001.tailb4ac3a.ts.net serves 8 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/ari001.tailb4ac3a.ts.net
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/ari001.tailb4ac3a.ts.net/health.json

## Services

- [Xerxes Base Transaction Status Checker](https://www.zero.xyz/c/xerxes-base-transaction-status-checker-1d833897/llms.txt): $0.005/call via x402. Checks whether a Base blockchain transaction has landed, returning its status (pending, confirmed, reverted, not_found, or unread) along with confirmation count, decoded USDC Transfer logs, and a proof-stamped head block reference.
- [Xerxes Base Transaction Proof Lookup](https://www.zero.xyz/c/xerxes-base-transaction-proof-lookup-a3f94ce7/llms.txt): $0.005/call via x402. Fetches typed transaction proof for a Base chain transaction by hash, returning confirmation status, block details, and USDC transfer events.
- [Xerxes Context Compactor](https://www.zero.xyz/c/xerxes-context-compactor-b311a627/llms.txt): $0.03/call via x402. Fetches a public HTTPS webpage and compresses its content to fit within a specified token budget, using LLM-based compaction with extractive fallback.
- [Xerxes Base Balance Lookup](https://www.zero.xyz/c/xerxes-base-balance-lookup-e8127c70/llms.txt): $0.005/call via x402. Returns the native ETH (in wei) or ERC-20 token balance for a given Base network address at the current chain head, with proof stamping.
- [Xerxes Base Address Object Lookup](https://www.zero.xyz/c/xerxes-base-address-object-lookup-de9e5d50/llms.txt): $0.01/call via x402. Resolves a Base blockchain address to a typed object (EOA, ERC-20 token, Uniswap V2/V3 pool, bare contract, or unreadable) along with the block number and block hash at which it was classified.
- [Xerxes Base Wallet Snapshot](https://www.zero.xyz/c/xerxes-base-wallet-snapshot-0500b9d9/llms.txt): $0.01/call via x402. Returns a snapshot of a Base address at the chain head: native ETH balance, nonce, and contract status, with optional ERC-20 balance lookup via query parameter.
- [Xerxes Base Object Lookup](https://www.zero.xyz/c/xerxes-base-object-lookup-7c27bc86/llms.txt): $0.01/call via x402. Resolves a Base blockchain address to its typed object kind (EOA, ERC-20, Uniswap pool, etc.) along with token metadata, bytecode size, and transaction proof anchors.
- [Xerxes Base Gas Price API](https://www.zero.xyz/c/xerxes-base-gas-price-api-3c7d2f16/llms.txt): $0.005/call via x402. Returns the current base gas price, base fee, and priority fee on the Base blockchain at the chain head (not a per-call estimate).

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)