Overview

Base ERC-20 approval check: returns the current allowance a spender holds over an owner's tokens, read live via allowance(owner, spender) on the token contract on Base. Takes token (0x + 40 hex), owner (0x + 40 hex), spender (0x + 40 hex).

Protocol x402
Price $0.0030
Payment Asset USDC
Payment Network Base
Category blockchain-data
Provider ari001
Source bazaar
Indexed 2026-09-25 23:19:31

Health

Status healthy
Latency (p50) 1740ms
Uptime (30d) 100.0%
Reliability Score 77/100
Last Checked 2026-09-26 11:48:30
Last Healthy 2026-09-26 11:48:30
Consecutive Failures 0

x402 Payment Validation

Payment Requirements Valid
Asset Verified Known USDC
Facilitator —

Recent Health Checks

Time Status HTTP Latency Error
2026-09-26 11:48:30 healthy 402 1740ms