Endpoint · onchainGETapi.arysphere.com /v1/ventures/x402_chain_reads_v1/base_eth_getlogs ?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&blocks=10&topic0=0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
Base on-chain read: a contract's event logs, filtered by topic and block range.
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Base on-chain read: a contract's event logs, filtered by topic and block range. Event logs on Base: takes address (contract, 0x + 40 hex), optional topic0 (event signature hash, 0x + 64 hex) and optional blocks (last N blocks, 1-100, default 10), and returns the matching eth_getLogs entries.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/base_eth_getlogs?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&blocks=10&topic0=0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
MCP server on this host: com.arysphere/arysphere-x402
Seen
first 6 days ago · last 14 hr ago
6 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
0.319 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 0.681: 0.600 uncertain ? + 0.081 short ? · 0.131 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 | 0.60 | 0.597 | 0.119 | −0.081 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.319 | gap to 1.000 = 0.681 · 0.081 short · 0.600 uncertain | 0.319 | −0.081 | −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 × 0.597 latency p95
+ 0.200 × 1.000 price stability
= 0.319 → UNRATED: 5 of 30 paid calls weights 2026.09.6 · 5 samples · seed cap_01M546CNFZE0RX9JK2KVWWHNJT|2026-09-21T19:58:40.161Z|2026.09.6
Verify it yourself
npx teppi-check https://api.arysphere.com/v1/ventures/x402_chain_reads_v1/base_eth_getlogs?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&blocks=10&topic0=0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3efcurl -s https://api.teppi.xyz/v1/trust/cap_01M546CNFZE0RX9JK2KVWWHNJT