Endpoint · onchainPOSTextract.tollkit.dev /chain/balance
Wallet balance on Base or Ethereum: give an address, get its native ETH plus USDC (and USDT on Ethereum), and any other ERC-20 tokens you list (up to 20), with symbols and…
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Wallet balance on Base or Ethereum: give an address, get its native ETH plus USDC (and USDT on Ethereum), and any other ERC-20 tokens you list (up to 20), with symbols and decimals applied. Read live from the chain. $0.002 per call; a bad address or an RPC failure is not charged.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.002 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://extract.tollkit.dev/chain/balance
MCP server on this host: io.github.UltraStarz/x402-extract
Seen
first 17 hr ago · last 17 hr ago
1 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Solana
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.250 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 0.750: 0.750 uncertain ? + 0.000 short ? · 0.200 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.75 | 1.00 | 0.000 | 0.000 | 0 | −0.750 | |
| latency p95 it answered as fast as its class |
0.25 | 1.00 | 1.000 | 0.250 | 0 | 0 | |
| Composite | 1.00 | 0.250 | gap to 1.000 = 0.750 · 0.000 short · 0.750 uncertain | 0.250 | −0.000 | −0.750 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check; price stability · nothing to score
The multiplication, written out
0.750 × 0.000 liveness
+ 0.250 × 1.000 latency p95
= 0.250 → UNRATED: 1 of 30 paid calls weights 2026.09.6 · 1 samples · seed cap_01M42Q5RMYNK6FH2BNC27W28A2|2026-09-04T06:39:21.903Z|2026.09.6
Verify it yourself
npx teppi-check https://extract.tollkit.dev/chain/balancecurl -s https://api.teppi.xyz/v1/trust/cap_01M42Q5RMYNK6FH2BNC27W28A2