Endpoint · onchainGETapi.arysphere.com /v1/ventures/x402_chain_reads_v1/eth_getblockbynumber ?block=latest
Ethereum mainnet on-chain read: a block by number or 'latest'.
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Ethereum mainnet on-chain read: a block by number or 'latest'. Ethereum mainnet eth_getBlockByNumber: takes `block` (a block number, or 'latest') and returns that block exactly as the node gives it.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.003 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.arysphere.com/v1/ventures/x402_chain_reads_v1/eth_getblockbynumber?block=latest
MCP server on this host: com.arysphere/arysphere-x402
Seen
first 3 days ago · last 14 hr ago
4 free handshakes
Payment
Pays through
x402
Offered on?
Polygon, Arbitrum, Base USDC
Listed on?
Polygon, Arbitrum, Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.278 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 0.722: 0.600 uncertain ? + 0.122 short ? · 0.172 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.000 | 0.000 | 0 | −0.600 | |
| latency p95 it answered as fast as its class |
0.20 | 0.39 | 0.389 | 0.078 | −0.122 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.278 | gap to 1.000 = 0.722 · 0.122 short · 0.600 uncertain | 0.278 | −0.122 | −0.600 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.000 liveness
+ 0.200 × 0.389 latency p95
+ 0.200 × 1.000 price stability
= 0.278 → UNRATED: 2 of 30 paid calls weights 2026.09.6 · 2 samples · seed cap_01M5BXB4GE9A7YDC7MAC1JREDH|2026-09-21T09:46:47.266Z|2026.09.6
Verify it yourself
npx teppi-check https://api.arysphere.com/v1/ventures/x402_chain_reads_v1/eth_getblockbynumber?block=latestcurl -s https://api.teppi.xyz/v1/trust/cap_01M5BXB4GE9A7YDC7MAC1JREDH