Endpoint · otherPOSTmailpulse.theaslangroupllc.com /api/letters/ltr_1a9b185b1c4ee035
Check the status and tracking of a physical letter previously sent via POST /api/letters.
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Check the status and tracking of a physical letter previously sent via POST /api/letters. Returns render status, expected delivery date, and (for certified mail) the USPS tracking number.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://mailpulse.theaslangroupllc.com/api/letters/ltr_1a9b185b1c4ee035
Seen
first 23 days ago · last 15 hr ago
42 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
0.710 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.290: 0.090 uncertain ? + 0.200 short ? · 0.090 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 | 0.850 | 0.510 | 0 | −0.090 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.710 | gap to 1.000 = 0.290 · 0.200 short · 0.090 uncertain | 0.710 | −0.200 | −0.090 |
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 × 0.850 liveness
+ 0.200 × 1.000 price stability
= 0.710 → UNRATED: 41 of 30 paid calls weights 2026.09.6 · 41 samples · seed cap_01M27FW6FSV4RMTNBREW8BNJ8D|2026-09-03T12:47:49.921Z|2026.09.6
Verify it yourself
npx teppi-check https://mailpulse.theaslangroupllc.com/api/letters/ltr_1a9b185b1c4ee035curl -s https://api.teppi.xyz/v1/trust/cap_01M27FW6FSV4RMTNBREW8BNJ8D