Northline ChainKit
activeUSDC and native balance of one address on both Base and Arc in a single call.
Settled via PayAI.
- Transactions · 30d
- 1
- Volume · 30d
- $0.50
- Unique buyers · 30d
- 2
- Uptime · 30d
- 100.0%
- Latency p50
- 186ms
Endpoints (5 live)
GET/v1/address/profile— Preflight any address on Base or Arc before paying or approving it: EOA vs contract vs EIP-7702-delegated wallet, EIP-1967 proxy implementation/admin, owner(), Safe multisig threshold, ERC-20 metadata, USDC + native balance, Sourcify verification, and risk flags. (0.005 USDC on Base)GET/v1/tx/explain— Explain a Base or Arc transaction in plain JSON: status, confirmations, fee, method selector, created contract, and every ERC-20 transfer decoded with symbol and decimals. (0.004 USDC on Base)GET/v1/network/status— Live block height, gas price and fee estimates (transfer, ERC-20 transfer, contract call) for Base or Arc. On Arc fees are quoted directly in USDC. (0.001 USDC on Base)GET/v1/payment/verify— Verify that a transaction paid at least N USDC to an address on Base or Arc (handles Arc native-USDC logs). Returns verified true/false, confirmations, matching transfers and reasons. Use it to confirm a customer paid before delivering. (0.003 USDC on Base)GET/v1/usdc/balances— USDC and native balance of one address on both Base and Arc in a single call. (0.002 USDC on Base)
First seen · last seen · last active