Endpoint · actionPOSTgateway.spraay.app /api/v1/invoice/create
Create invoice with payment tx.
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.05 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://gateway.spraay.app/api/v1/invoice/create
Seen
first 15 days ago · last 4 days ago
27 free handshakes
Payment
Pays through
x402
Offered on?
Robinhood Chain, Base USDC, Solana
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.806 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 0.194: 0.143 uncertain ? + 0.050 short ? · 0.094 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.764 | 0.458 | 0 | −0.142 | |
| latency p95 it answered as fast as its class |
0.20 | 0.75 | 0.741 | 0.148 | −0.050 | −0.001 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.806 | gap to 1.000 = 0.194 · 0.050 short · 0.143 uncertain | 0.806 | −0.050 | −0.143 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.764 liveness
+ 0.200 × 0.741 latency p95
+ 0.200 × 1.000 price stability
= 0.806 → UNRATED: 26 of 30 paid calls weights 2026.09.6 · 26 samples · seed cap_01M2W33W0G2TDJSVS6RZJKK5VQ|2026-09-03T21:43:19.258Z|2026.09.6
Verify it yourself
npx teppi-check https://gateway.spraay.app/api/v1/invoice/createcurl -s https://api.teppi.xyz/v1/trust/cap_01M2W33W0G2TDJSVS6RZJKK5VQ