Endpoint · onchainGETsandbox.node4all.com /v1/x402-test
Node4All Fortune — deterministic fortune reading derived from the x402 payment authorization nonce.
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Node4All Fortune — deterministic fortune reading derived from the x402 payment authorization nonce. Flagship demo of the Node4All x402 v2 payment flow. Operator: Node4All (https://node4all.com). Currency: USDC on Base.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://sandbox.node4all.com/v1/x402-test
Seen
first 35 days ago · last 16 hr ago
79 free handshakes
Payment
Pays through
x402
Offered on?
Base Sepolia USDC
Listed on?
Base Sepolia
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.747 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.253: 0.053 uncertain ? + 0.200 short ? · 0.053 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| liveness it answered at all |
0.60 | 1.00 | 0.912 | 0.547 | 0 | −0.053 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.747 | gap to 1.000 = 0.253 · 0.200 short · 0.053 uncertain | 0.747 | −0.200 | −0.053 |
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 × 0.912 liveness
+ 0.200 × 1.000 price stability
= 0.747 → UNRATED: 70 of 30 paid calls weights 2026.09.6 · 70 samples · seed cap_01M1A51NCHJQKM978G6XF60DDH|2026-09-03T12:16:43.657Z|2026.09.6
Verify it yourself
npx teppi-check https://sandbox.node4all.com/v1/x402-testcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51NCHJQKM978G6XF60DDH