Endpoint · onchainGETflat-rate-llm.kikoribera03.workers.dev /v1/evm/chains
Live health of every supported chain in one call: chain id, block height and how stale the head is.
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Live health of every supported chain in one call: chain id, block height and how stale the head is. Use it to pick a chain that is actually responding. Via eth_getBlockByNumber.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://flat-rate-llm.kikoribera03.workers.dev/v1/evm/chains
MCP server on this host: dev.workers.kikoribera03.flat-rate-llm/x402-tools
Seen
first 25 days ago · last 12 hr ago
46 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
0.916 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 0.084: 0.084 uncertain ? + 0.000 short ?
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.860 | 0.516 | 0 | −0.084 | |
| latency p95 it answered as fast as its class |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.916 | gap to 1.000 = 0.084 · 0.000 short · 0.084 uncertain | 0.916 | −0.000 | −0.084 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.860 liveness
+ 0.200 × 1.000 latency p95
+ 0.200 × 1.000 price stability
= 0.916 → UNRATED: 44 of 30 paid calls weights 2026.09.6 · 44 samples · seed cap_01M22B29938WAMQWN7Y0GWKP8B|2026-09-02T18:27:58.395Z|2026.09.6
Verify it yourself
npx teppi-check https://flat-rate-llm.kikoribera03.workers.dev/v1/evm/chainscurl -s https://api.teppi.xyz/v1/trust/cap_01M22B29938WAMQWN7Y0GWKP8B