Endpoint · onchainGETapi.onesource.io /api/chain/block-number ?network=ethereum
Latest Ethereum block height - current chain tip via eth_blockNumber
Overview
Grade?
B 0.862 ▲ 0.033 · 8 d
on 47 paid calls · outcome verified
Price
$0.001 per call
Paid calls
47
46 delivered · 1 no answer
More info
Seller?
URL
https://api.onesource.io/api/chain/block-number?network=ethereum
Seen
first 34 days ago · last 8 hr ago
78 free handshakes
Payment
Pays through
x402 · MPP tempo
Offered on?
Base USDC, Tempo USDC.e
Listed on?
Base
Scoreweights 2026.09.6
B
0.862 ▲ 0.033 · 8 d
47 paid calls · 90 days · computed 17 hr ago
0.862
0.450.650.800.90
Held back by sample size, not by the seller · gap to 1.000 is 0.138: 0.128 uncertain ? + 0.010 short ? · 0.038 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| correctnesscosts the most the answer was right |
0.41 | 1.00 | 0.857 | 0.353 | 0 | −0.059 | |
| honesty it charged what it advertised |
0.29 | 1.00 | 0.869 | 0.256 | 0 | −0.038 | |
| liveness it answered at all |
0.18 | 0.98 | 0.840 | 0.148 | −0.003 | −0.025 | |
| latency p95 it answered as fast as its class |
0.06 | 0.88 | 0.793 | 0.047 | −0.007 | −0.005 | |
| price stability the price stayed where it was listed |
0.06 | 1.00 | 1.000 | 0.059 | 0 | 0 | |
| Composite | 1.00 | 0.862 | gap to 1.000 = 0.138 · 0.010 short · 0.128 uncertain | 0.862 | −0.010 | −0.128 |
Not measured: schema conformance · no answer had a published shape to check
The multiplication, written out
0.412 × 0.857 correctness
+ 0.294 × 0.869 honesty
+ 0.176 × 0.840 liveness
+ 0.059 × 0.793 latency p95
+ 0.059 × 1.000 price stability
= 0.862 ≥ 0.80 → B weights 2026.09.6 · 47 samples · seed cap_01M1A51MCK284XST3GKCFDP9M1|2026-07-05T20:09:23.629Z|2026.09.6
Verify it yourself
npx teppi-check https://api.onesource.io/api/chain/block-number?network=ethereumcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51MCK284XST3GKCFDP9M1