OpenPay
GET https://open-pay.jp/api/paid/usdc/jpyc/supply
Listed in x402 List · Data: x402-list.com (CC BY 4.0)
Read the current contract-reported JPYC totalSupply on Polygon, Kaia, Avalanche or Ethereum, with the token contract address and the block number observed at request time. Use for periodic supply monitoring, cross-chain comparison, or verifying a current JPYC supply figure before citing it. Not for market price, reserve backing, circulating-supply analysis, or financial advice.
Other endpoints from open-pay.jp
The same service's other paid functions that Hagglyai tracks, each with its own price. Functions outside Hagglyai's categories are not listed.
| Endpoint | Category | Price per call |
|---|---|---|
| GET /api/paid/usdc/jpyc/balance | On-chain data | $0.002 |
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://open-pay.jp/api/paid/usdc/jpyc/supply"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-14 19:30 | Valid 402 | 402 | 508 ms | $0.002 |
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