Northline ChainKit

active

USDC 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