Overview

Read the transaction count (nonce) of a 0x address on Arbitrum One, both confirmed and including pending transactions. Use to build the next transaction or to tell whether an address has ever sent anything; for its balance use arb_balance. A malformed address is rejected with 400, uncharged.

Protocol x402
Price $0.01
Payment Asset USDC
Payment Network Base
Category blockchain/onchain-data
Provider Agent Data Tools
Source self-registered
Indexed 2026-10-18 18:59:33

Health

Status healthy
Latency (p50) 215ms
Uptime (30d) 100.0%
Reliability Score 95/100
Last Checked 2026-10-28 06:32:23
Last Healthy 2026-10-28 06:32:23
Consecutive Failures 0

x402 Payment Validation

Payment Requirements Valid
Asset Verified Known USDC
Facilitator —

Recent Health Checks

Time Status HTTP Latency Error
2026-10-28 06:32:23 healthy 402 1872ms
2026-10-28 05:17:50 healthy 402 128ms
2026-10-28 04:20:23 healthy 402 175ms
2026-10-28 03:26:36 healthy 402 157ms
2026-10-28 02:21:59 healthy 402 289ms
2026-10-28 01:19:47 healthy 402 85ms
2026-10-28 00:17:38 healthy 402 243ms
2026-10-27 23:20:56 healthy 402 215ms
2026-10-27 22:19:35 healthy 402 207ms
2026-10-27 21:18:43 healthy 402 352ms
2026-10-27 20:59:12 healthy 402 230ms
2026-10-27 20:00:00 healthy 402 141ms
2026-10-27 18:56:47 healthy 402 135ms
2026-10-27 18:37:05 healthy 402 293ms
2026-10-26 18:43:01 healthy 402 323ms
2026-10-25 19:09:46 healthy 402 127ms
2026-10-25 11:47:43 healthy 402 1720ms