Endpoint · otherPOST402utils.com /v1/echo
Echoes back the JSON body you send, with a server timestamp.
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Echoes back the JSON body you send, with a server timestamp. Useful for verifying your x402 client integration end to end.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.001 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://402utils.com/v1/echo
Seen
first 35 days ago · last 5 days 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
0.504 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.496: 0.087 uncertain ? + 0.409 short ? · 0.146 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.65 | 0.507 | 0.304 | −0.209 | −0.087 | |
| latency p95 it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.504 | gap to 1.000 = 0.496 · 0.409 short · 0.087 uncertain | 0.504 | −0.409 | −0.087 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.507 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.504 → UNRATED: 55 of 30 paid calls weights 2026.09.6 · 55 samples · seed cap_01M1A51RKYG98N9TKBRC4VC7SD|2026-09-04T17:39:52.975Z|2026.09.6
Verify it yourself
npx teppi-check https://402utils.com/v1/echocurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51RKYG98N9TKBRC4VC7SD