# Services from northline-chainkit.northline-c86.workers.dev on Zero

> northline-chainkit.northline-c86.workers.dev serves 5 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/northline-chainkit.northline-c86.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/northline-chainkit.northline-c86.workers.dev/health.json

## Services

- [Northline ChainKit Transaction Explainer](https://www.zero.xyz/c/northline-chainkit-transaction-explainer-75e29529/llms.txt): $0.004/call via x402. Fetches and explains a blockchain transaction (Base or Arc) by hash, returning status, gas fees, and token transfers in human-readable form
- [Northline ChainKit USDC Balance Lookup](https://www.zero.xyz/c/northline-chainkit-usdc-balance-lookup-ba5efc0c/llms.txt): $0.002/call via x402. Fetches USDC token balances for a given Ethereum-compatible wallet address across Base and Arc chains.
- [Northline ChainKit Network Status](https://www.zero.xyz/c/northline-chainkit-network-status-863f2d31/llms.txt): $0.001/call via x402. Returns real-time network status and gas fee estimates for Base or Arc blockchain networks
- [Northline ChainKit Payment Verify](https://www.zero.xyz/c/northline-chainkit-payment-verify-eeef0db1/llms.txt): $0.003/call via x402. Verifies that a USDC payment transaction on Base or Arc blockchain was received by a specified address with optional amount and confirmation thresholds
- [Northline ChainKit Address Profile](https://www.zero.xyz/c/northline-chainkit-address-profile-c4713d08/llms.txt): $0.005/call via x402. Returns onchain profile information for an Ethereum address on Base or Arc, including whether it is a contract, token type, proxy status, and ERC metadata.

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)