Endpoint · onchainGETflat-rate-llm.kikoribera03.workers.dev /v1/evm/token-price ?chain=base&token=0x4200000000000000000000000000000000000006
Spot price of any ERC20 read straight from the deepest Uniswap V3 pool against USDC, on Base, Ethereum, Polygon, Arbitrum or Optimism.
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Spot price of any ERC20 read straight from the deepest Uniswap V3 pool against USDC, on Base, Ethereum, Polygon, Arbitrum or Optimism. Returns the pool address, fee tier, liquidity, sqrtPriceX96, tick and block, so the number can be audited instead of trusted. No aggregator and no API key: the source is the chain itself. Via eth_call.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/token-price?chain=base&token=0x4200000000000000000000000000000000000006
MCP server on this host: dev.workers.kikoribera03.flat-rate-llm/x402-tools
Seen
first 21 days ago · last 17 hr ago
39 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
0.878 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 0.122: 0.102 uncertain ? + 0.020 short ? · 0.022 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.97 | 0.797 | 0.478 | −0.020 | −0.102 | |
| 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 | 0.878 | gap to 1.000 = 0.122 · 0.020 short · 0.102 uncertain | 0.878 | −0.020 | −0.102 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.797 liveness
+ 0.200 × 1.000 latency p95
+ 0.200 × 1.000 price stability
= 0.878 → UNRATED: 37 of 30 paid calls weights 2026.09.6 · 37 samples · seed cap_01M2CMPAJEV2YF6A1TVR4X8YPJ|2026-09-03T06:00:39.150Z|2026.09.6
Verify it yourself
npx teppi-check https://flat-rate-llm.kikoribera03.workers.dev/v1/evm/token-price?chain=base&token=0x4200000000000000000000000000000000000006curl -s https://api.teppi.xyz/v1/trust/cap_01M2CMPAJEV2YF6A1TVR4X8YPJ