Endpoint · onchainGETopen-pay.jp /api/paid/usdc/jpyc/activity ?chain=polygon&window=24h
JPYC transfer metrics computed hourly from finalized Polygon blocks: event count, unique senders and receivers, volume, median and top receivers.
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JPYC transfer metrics computed hourly from finalized Polygon blocks: event count, unique senders and receivers, volume, median and top receivers. Covers approximately 24 hours ending at the newest finalized hourly bucket; exact block and time range are in the response. Use for current JPYC usage metrics; not for wallet balances, price, news, supply or financial advice.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.01 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://open-pay.jp/api/paid/usdc/jpyc/activity?chain=polygon&window=24h
Seen
first 26 days ago · last 16 hr ago
48 free handshakes
Payment
Pays through
x402
Offered on?
Arc, Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.722 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.278: 0.078 uncertain ? + 0.200 short ? · 0.078 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| liveness it answered at all |
0.60 | 1.00 | 0.869 | 0.522 | 0 | −0.078 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.722 | gap to 1.000 = 0.278 · 0.200 short · 0.078 uncertain | 0.722 | −0.200 | −0.078 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.869 liveness
+ 0.200 × 1.000 price stability
= 0.722 → UNRATED: 47 of 30 paid calls weights 2026.09.6 · 47 samples · seed cap_01M1ZRQKNEH2J0EKN6CGGN84B7|2026-09-03T14:22:48.128Z|2026.09.6
Verify it yourself
npx teppi-check https://open-pay.jp/api/paid/usdc/jpyc/activity?chain=polygon&window=24hcurl -s https://api.teppi.xyz/v1/trust/cap_01M1ZRQKNEH2J0EKN6CGGN84B7