api.pennyforge.org
Route probed: GET https://api.pennyforge.org/check
Category: eat:onchain/crypto data (tags: wallet) · Status: listing listed, probe active · Listing: 0.01 USD, 3 payers / 3 calls (30d, Bazaar) · Listed in: agentic-market, cdp-bazaar, x402-list
Last probe: 2026-10-23T14:36:29Z (55 min ago) · Recent valid 402: 2/2 · p50 1579 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 2026-10-23T14:36:29Z)
1 valid 402s checked: terms consistent 1, Base USDC offered 1, price matches listing 1 (differs 0), 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 965b9261df5891b8ba6f | 2026-10-23T14:36:29Z | POST | 402 | yes | 1579 | 10000 | 10000 | 0x9504A593… | 5772 | 6d3c74ed351756cb | per-receipt | primary | terms ok · Base USDC |
| 80da6689cae044807354 | 2026-10-23T12:43:29Z | POST | 402 | yes | 311 | 10000 | 10000 | 0x9504A593… | 5772 | 6d3c74ed351756cb | snapshot | primary |
Other listed routes
https://api.pennyforge.org/checkSendCheck: pre-send verification of any EVM address on one chain (EIP-55 checksum, wallet-vs-contract, outgoing activity, balances, verdict). POST {address, cha (cdp-bazaar)https://api.pennyforge.org/deepSendCheck deep scan: the same verification across all 5 chains (Base, Ethereum, Arbitrum, Optimism, Polygon) incl. wrong-network detection. POST {address, chain (cdp-bazaar)
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).