Endpoint · otherPOSTdatetime.openverbs.com /v1/add
Add an ISO 8601 duration to a start date or date-time and return the resulting UTC instant.
Read more
Add an ISO 8601 duration to a start date or date-time and return the resulting UTC instant. Calendar-aware: months and years honor month lengths (e.g. Jan 31 + P1M clamps to the last day of February). A negative-signed duration subtracts.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.002 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://datetime.openverbs.com/v1/add
Seen
first 28 days ago · last 17 hr ago
52 free handshakes
Payment
Pays through
x402 · MPP evm, tempo
Offered on?
Base USDC, Tempo 0x8335…2913
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.889 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 0.111: 0.080 uncertain ? + 0.031 short ? · 0.011 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.877 | 0.526 | 0 | −0.074 | |
| latency p95 it answered as fast as its class |
0.20 | 0.84 | 0.816 | 0.163 | −0.031 | −0.006 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.889 | gap to 1.000 = 0.111 · 0.031 short · 0.080 uncertain | 0.889 | −0.031 | −0.080 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.877 liveness
+ 0.200 × 0.816 latency p95
+ 0.200 × 1.000 price stability
= 0.889 → UNRATED: 50 of 30 paid calls weights 2026.09.6 · 50 samples · seed cap_01M1TKY3CT1QX27AVF60M7W4RK|2026-09-03T01:47:01.180Z|2026.09.6
Verify it yourself
npx teppi-check https://datetime.openverbs.com/v1/addcurl -s https://api.teppi.xyz/v1/trust/cap_01M1TKY3CT1QX27AVF60M7W4RK