Endpoint · onchainGETapi.onesource.io /api/chain/proxy/0x6cf19308c22fc82ea620fa0b3e94948d20f27b96 ?network=ethereum
Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementation address behind a proxy
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.005 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.onesource.io/api/chain/proxy/0x6cf19308c22fc82ea620fa0b3e94948d20f27b96?network=ethereum
Seen
first 34 days ago · last 14 hr ago
79 free handshakes
Payment
Pays through
x402 · MPP tempo
Offered on?
Base USDC, Tempo USDC.e
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.862 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.138: 0.077 uncertain ? + 0.061 short ? · 0.038 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.69 | 0.616 | 0.123 | −0.061 | −0.016 | |
| liveness it answered at all |
0.60 | 1.00 | 0.898 | 0.539 | 0 | −0.061 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.862 | gap to 1.000 = 0.138 · 0.061 short · 0.077 uncertain | 0.862 | −0.061 | −0.077 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.616 latency p95
+ 0.600 × 0.898 liveness
+ 0.200 × 1.000 price stability
= 0.862 → UNRATED: 60 of 30 paid calls weights 2026.09.6 · 60 samples · seed cap_01M1A51MHFZ49ECN19G5B7Z3H3|2026-08-29T11:10:53.367Z|2026.09.6
Verify it yourself
npx teppi-check https://api.onesource.io/api/chain/proxy/0x6cf19308c22fc82ea620fa0b3e94948d20f27b96?network=ethereumcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51MHFZ49ECN19G5B7Z3H3