ScriptMasterLabs.com · x402 Directory
B20 payment memos
Resource: https://agent402.tools/api/b20-memos · Directory page generated 2026-11-05T03:13:22.708Z from live sources.
The facts, as last reported 2026-11-05T03:01:08.969Z: this resource answers x402 payment challenges at 0.005 USDC on Solana (exact), pay to J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg. It is reported by PayAI, Dexter, Coinbase CDP and its directory state is live.
What it does
Payment memos attached to B20 transfers: pairs each Memo(address,bytes32) log with its Transfer at the previous log index (same tx, same token). Give a tx hash for one transaction, or scan a block window. Returns memoHex always and memoText
Payment options
| Network | Scheme | Asset | Amount | Pay to |
|---|---|---|---|---|
| Solanasolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | USDCEPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v | 0.0055000 atomic | J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg |
| Baseeip155:8453 | exact | USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0.0055000 atomic | 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 |
| Polygoneip155:137 | exact | USDC0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 | 0.0055000 atomic | 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 |
| Arbitrumeip155:42161 | exact | USDC0xaf88d065e77c8cC2239327C5EDb3A432268e5831 | 0.0055000 atomic | 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 |
| EVM 143eip155:143 | exact | 0x754704Bc059F8C67012fEd69BC8A327a5aafb603 | 0.0055000 atomic | 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 |
| Avalancheeip155:43114 | exact | 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E | 0.0055000 atomic | 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 |
Verification — the enrichment record
| Verification state | facilitator-reported |
|---|---|
| Verified / reported at | 2026-11-05T03:01:08.969Z |
| Settlement recency | listing last updated 2026-11-05T02:33:31.321Z at its source |
| Freshness | live — last reported 2026-11-05T03:01:08.969Z, listing last updated at source 2026-11-05T02:33:31.321Z |
| Reporting facilitator | PayAI |
| Sources | payai, dexter, cdp |
| Tags | payments, b20, base, memo, logs |
Call it
An unpaid call returns the live 402 challenge — that challenge, not this page, is the price quote:
curl -i "https://agent402.tools/api/b20-memos"
Pay it with any x402 client on Solana, Base, Polygon, Arbitrum, EVM 143, Avalanche, EVM 1329. Networks: Solana · Base · Polygon · Arbitrum · EVM 143 · Avalanche · EVM 1329