Endpoint · researchGETcollectablespulse.theaslangroupllc.com /api/collect/grade
Card grading guide: is this card/coin/comic worth grading, and which service?
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Card grading guide: is this card/coin/comic worth grading, and which service? Returns which grading service to use (PSA, BGS, CGC, PCGS, NGC), cost, turnaround time, and whether grading adds value for any collectible. Worldwide. For collector and investor agents.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.08 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://collectablespulse.theaslangroupllc.com/api/collect/grade
Seen
first 35 days ago · last 15 days ago
52 free handshakes
Payment
Pays through
x402
Offered on?
algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k, Polygon, eip155:143, eip155:196, Arbitrum, eip155:480, eip155:56, Base USDC, eip155:999, Solana, xrpl:0
Listed on?
Polygon, Arbitrum, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.726 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.274: 0.103 uncertain ? + 0.171 short ? · 0.074 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.15 | 0.000 | 0.000 | −0.171 | −0.029 | |
| liveness it answered at all |
0.60 | 1.00 | 0.877 | 0.526 | 0 | −0.074 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.726 | gap to 1.000 = 0.274 · 0.171 short · 0.103 uncertain | 0.726 | −0.171 | −0.103 |
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 × 0.877 liveness
+ 0.200 × 1.000 price stability
= 0.726 → UNRATED: 50 of 30 paid calls weights 2026.09.6 · 50 samples · seed cap_01M1A5AFA9A305W6BYRBDA0BD2|2026-08-27T05:33:02.842Z|2026.09.6
Verify it yourself
npx teppi-check https://collectablespulse.theaslangroupllc.com/api/collect/gradecurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AFA9A305W6BYRBDA0BD2