Endpoint · onchainGETx402tap.com /api/rpc ?chain=base&method=eth_getBalance¶ms=%5B%220xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045%22%2C%22latest%22%5D
Safelisted read-only JSON-RPC proxy across major EVM chains (base, ethereum, polygon, arbitrum, optimism) — eth_call, eth_getBalance, eth_getTransactionReceipt…
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Safelisted read-only JSON-RPC proxy across major EVM chains (base, ethereum, polygon, arbitrum, optimism) — eth_call, eth_getBalance, eth_getTransactionReceipt, eth_getBlockByNumber, and moreOverview
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://x402tap.com/api/rpc?chain=base&method=eth_getBalance¶ms=%5B%220xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045%22%2C%22latest%22%5D
Seen
first 35 days ago · last 15 hr ago
64 free handshakes
Payment
Pays through
x402
Offered on?
Polygon, Arbitrum, Base USDC, Solana
Listed on?
Polygon, Arbitrum, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.713 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.287: 0.114 uncertain ? + 0.173 short ? · 0.087 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.16 | 0.000 | 0.000 | −0.168 | −0.032 | |
| liveness it answered at all |
0.60 | 0.99 | 0.855 | 0.513 | −0.006 | −0.081 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.713 | gap to 1.000 = 0.287 · 0.173 short · 0.114 uncertain | 0.713 | −0.173 | −0.114 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.855 liveness
+ 0.200 × 1.000 price stability
= 0.713 → UNRATED: 56 of 30 paid calls weights 2026.09.6 · 56 samples · seed cap_01M1A59SK46JXM1W3X653D69J8|2026-09-03T19:06:19.953Z|2026.09.6
Verify it yourself
npx teppi-check https://x402tap.com/api/rpc?chain=base&method=eth_getBalance¶ms=%5B%220xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045%22%2C%22latest%22%5Dcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59SK46JXM1W3X653D69J8