Endpoint · evidenceGETapi.agentstools.dev /answer ?query=what+is+the+x402+payment+protocol
Cited answer (RAG): a natural-language question is answered by searching the public web, reading the top pages and synthesizing a grounded answer with a list of source URLs.
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Cited answer (RAG): a natural-language question is answered by searching the public web, reading the top pages and synthesizing a grounded answer with a list of source URLs. Answer cites only the retrieved sources (anti-hallucination).Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.01 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.agentstools.dev/answer?query=what+is+the+x402+payment+protocol
Seen
first 35 days ago · last 20 hr ago
64 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.733 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 0.267: 0.186 uncertain ? + 0.081 short ? · 0.067 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.60 | 0.000 | 0.000 | −0.081 | −0.119 | |
| liveness it answered at all |
0.60 | 1.00 | 0.888 | 0.533 | 0 | −0.067 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.733 | gap to 1.000 = 0.267 · 0.081 short · 0.186 uncertain | 0.733 | −0.081 | −0.186 |
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 × 0.888 liveness
+ 0.200 × 1.000 price stability
= 0.733 → UNRATED: 55 of 30 paid calls weights 2026.09.6 · 55 samples · seed cap_01M1A5A3BP2R6TABG0JJ0F09HH|2026-08-29T12:45:14.758Z|2026.09.6
Verify it yourself
npx teppi-check https://api.agentstools.dev/answer?query=what+is+the+x402+payment+protocolcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A3BP2R6TABG0JJ0F09HH