Endpoint · onchainPOSTapi.onesource.io /api/chain/call
Simulate a read-only Ethereum contract call via eth_call - no transaction sent
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/call
Seen
first 35 days ago · last 15 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
0.762 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.238: 0.101 uncertain ? + 0.137 short ? · 0.038 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.35 | 0.176 | 0.035 | −0.130 | −0.035 | |
| liveness it answered at all |
0.60 | 0.99 | 0.878 | 0.527 | −0.007 | −0.066 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.762 | gap to 1.000 = 0.238 · 0.137 short · 0.101 uncertain | 0.762 | −0.137 | −0.101 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.176 latency p95
+ 0.600 × 0.878 liveness
+ 0.200 × 1.000 price stability
= 0.762 → UNRATED: 62 of 30 paid calls weights 2026.09.6 · 62 samples · seed cap_01M1A51MFXSFBDXPBBEPK8B886|2026-08-30T00:10:33.853Z|2026.09.6
Verify it yourself
npx teppi-check https://api.onesource.io/api/chain/callcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51MFXSFBDXPBBEPK8B886