proofwork-the402-webhook.phase-voice.workers.dev
x402Grade CLast checked 49 min ago
GET https://proofwork-the402-webhook.phase-voice.workers.dev/v1/base-usdc-receipt
Verify an exact Circle USDC payment from a Base-mainnet transaction receipt and finalized chain evidence
Price$0.01per chain read · paid in USD on Base
Uptime100%
4/4 probes · 591.5 ms
Score69Grade C
Paid usage, 30 days0payers · 0 calls
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://proofwork-the402-webhook.phase-voice.workers.dev/v1/base-usdc-receipt"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 12:16 | Valid 402 | 402 | 844 ms | $0.01 |
| 2026-10-11 07:46 | Valid 402 | 402 | 519 ms | $0.01 |
| 2026-10-11 03:16 | Valid 402 | 402 | 621 ms | $0.01 |
| 2026-10-10 23:00 | Valid 402 | 402 | 562 ms | $0.01 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves