Endpoint · actionPOSTfastsend.dev /api/v2/messages
Send an SMS or email message via Fastsend.
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.165 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://fastsend.dev/api/v2/messages
Seen
first 6 days ago · last 6 days ago
10 free handshakes
Payment
Pays through
x402 · MPP tempo
Offered on?
Base USDC, Tempo USDC.e
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.346 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 0.654: 0.398 uncertain ? + 0.256 short ? · 0.104 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.91 | 0.243 | 0.146 | −0.056 | −0.398 | |
| 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 | 0.346 | gap to 1.000 = 0.654 · 0.256 short · 0.398 uncertain | 0.346 | −0.256 | −0.398 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.243 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.346 → UNRATED: 10 of 30 paid calls weights 2026.09.6 · 10 samples · seed cap_01M3K8PDW5VS6K1X72DD8X0XPQ|2026-09-04T09:47:15.848Z|2026.09.6
Verify it yourself
npx teppi-check https://fastsend.dev/api/v2/messagescurl -s https://api.teppi.xyz/v1/trust/cap_01M3K8PDW5VS6K1X72DD8X0XPQ