200.surfacedplus.com
Route probed: POST https://200.surfacedplus.com/route/erc20.balance
Category: eat:onchain/crypto data (tags: token-analytics, wallet) · Status: listing listed, probe active · Listing: 0.0001 USD, 0 payers / 0 calls (30d, Bazaar) · Listed in: x402-list
Last probe: 2026-10-23T16:00:29Z (1 h ago) · Recent valid 402: 2/2 · p50 1054 ms
probe-only: no paid test-buys yet. No index until 3 paid buys on 3 different days.
Badge: 
Paid test-buys
None yet.
402 challenge checks (since 2026-10-23T16:00:29Z)
1 valid 402s checked: terms consistent 1, Base USDC offered 1, price matches listing 0 (differs 1), payTo changed vs previous probe 0.
Unpaid probes (newest first, up to 200; raw receipts are kept 7 days, then in the archive)
| Receipt | UTC time | Method | Status | Valid 402 | ms | Listed amount (atomic) | Quoted amount (atomic) | Quoted payTo | Header bytes | Response sha256 | Signed | Route | Checks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7cebd21499765135e047 | 2026-10-23T16:00:29Z | POST | 402 | yes | 1054 | 100 | 3600 | 0x781DA558… | 2080 | 44136fa355b3678a | per-receipt | primary | terms ok · Base USDC · price ≠ listing |
| 6119a47222e689f065c2 | 2026-10-23T12:44:41Z | POST | 402 | yes | 310 | 100 | 3600 | 0x781DA558… | 2080 | 44136fa355b3678a | snapshot | primary |
Other listed routes
POST https://200.surfacedplus.com/route/erc20.balancePaid through 200: you are charged only if real data comes back. Priced at provider cost + 20%. (x402-list)POST https://200.surfacedplus.com/route/example.quotePaid through 200: you are charged only if real data comes back. Priced at provider cost + 20%. (x402-list)
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).