Endpoint · computePOSTgoodsong.dev /verify/url
Verify a URL: does it resolve, what's the final status and redirect chain, is it archived on the Wayback Machine, and (optionally) does expected text appear on the page.
Read more
Verify a URL: does it resolve, what's the final status and redirect chain, is it archived on the Wayback Machine, and (optionally) does expected text appear on the page. Checked via direct fetch and the Internet Archive.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.005 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://goodsong.dev/verify/url
Seen
first 29 days ago · last 18 hr ago
54 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.730 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.270: 0.070 uncertain ? + 0.200 short ? · 0.070 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 | 0.884 | 0.530 | 0 | −0.070 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.730 | gap to 1.000 = 0.270 · 0.200 short · 0.070 uncertain | 0.730 | −0.200 | −0.070 |
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 × 0.884 liveness
+ 0.200 × 1.000 price stability
= 0.730 → UNRATED: 53 of 30 paid calls weights 2026.09.6 · 53 samples · seed cap_01M1RD8PEFKAZDA03R0C26FQ7M|2026-09-03T21:43:19.258Z|2026.09.6
Verify it yourself
npx teppi-check https://goodsong.dev/verify/urlcurl -s https://api.teppi.xyz/v1/trust/cap_01M1RD8PEFKAZDA03R0C26FQ7M