Endpoint · extractionPOSTapi.solsentry.app /x402/v1/tx-preview
Pre-sign transaction review.
Read more
Pre-sign transaction review. Send a base64 transaction (or an already parsed one) and get back what it actually does: the programs it invokes, the authorities it hands over, and the risk flags a wallet should show the user before they approve.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.008 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
hwxjgh7fmu…wnhmlen8
URL
https://api.solsentry.app/x402/v1/tx-preview
Seen
first 14 days ago · last 10 hr ago
24 free handshakes
Payment
Pays through
x402
Offered on?
Solana USDC
Listed on?
Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.606 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.394: 0.194 uncertain ? + 0.200 short ? · 0.044 to C
| 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 | 0.677 | 0.406 | 0 | −0.194 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.606 | gap to 1.000 = 0.394 · 0.200 short · 0.194 uncertain | 0.606 | −0.200 | −0.194 |
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 × 0.677 liveness
+ 0.200 × 1.000 price stability
= 0.606 → UNRATED: 19 of 30 paid calls weights 2026.09.6 · 19 samples · seed cap_01M2Z12NK7YYYA656PRNQJ8VH4|2026-08-31T10:26:37.928Z|2026.09.6
Verify it yourself
npx teppi-check https://api.solsentry.app/x402/v1/tx-previewcurl -s https://api.teppi.xyz/v1/trust/cap_01M2Z12NK7YYYA656PRNQJ8VH4