Endpoint · onchainPOSTx402.freeq.one /tools/cross_chain_balance
Cross-Chain Balance Checker: Aggregate native balance and token/NFT counts for an address across eth, arb, base, polygon, opt.
Read more
Cross-Chain Balance Checker: Aggregate native balance and token/NFT counts for an address across eth, arb, base, polygon, opt. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/cross_chain_balance.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://x402.freeq.one/tools/cross_chain_balance
Seen
first 34 days ago · last 14 hr ago
66 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.836 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.164: 0.065 uncertain ? + 0.098 short ? · 0.064 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.51 | 0.500 | 0.100 | −0.098 | −0.002 | |
| liveness it answered at all |
0.60 | 1.00 | 0.894 | 0.536 | 0 | −0.064 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.836 | gap to 1.000 = 0.164 · 0.098 short · 0.065 uncertain | 0.836 | −0.098 | −0.065 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.500 latency p95
+ 0.600 × 0.894 liveness
+ 0.200 × 1.000 price stability
= 0.836 → UNRATED: 58 of 30 paid calls weights 2026.09.6 · 58 samples · seed cap_01M1A5QF5RXKN7191FE9QHW8B6|2026-09-02T14:16:01.662Z|2026.09.6
Verify it yourself
npx teppi-check https://x402.freeq.one/tools/cross_chain_balancecurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5QF5RXKN7191FE9QHW8B6