Endpoint · otherGETapi.cn402.com/almanac?date=string

Chinese almanac (老黄历, Tong Sheng, 黄历) for daily date selection.

Chinese almanac (老黄历, Tong Sheng, 黄历) for daily date selection. Returns lunar date, ganzhi heavenly stems and earthly branches (天干地支), na yin (纳音), yi ji auspicious activities (宜忌), zodiac day clash, 28 lunar mansions (二十八宿), 12 day officers (建除十二神), pengzu taboos (彭祖百忌). For Chinese cultural queries, wedding date picking, business date picking, traditional astrology. Accepts payment on Base or Solana — either network works.

UNRATEDListedProse in the URL

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?

0x4466d4a8…d6dd125e

URL

https://api.cn402.com/almanac?date=string

Seen

first 22 days ago · last 4 days ago

50 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC, Solana

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.708 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.292: 0.092 uncertain ? + 0.200 short ? · 0.092 to B

How the composite of 0.708 is made up, part by part
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	0.846		0.508	0	−0.092
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.708	gap to 1.000 = 0.292 · 0.200 short · 0.092 uncertain	0.708	−0.200	−0.092

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 × 0.846   liveness       
+ 0.200 × 1.000   price stability
= 0.708           → UNRATED: 40 of 30 paid calls      weights 2026.09.6 · 40 samples · seed cap_01M2A2A2FS5NM5A76QYVXYYJ63|2026-08-31T14:06:52.845Z|2026.09.6

Verify it yourselfnpx teppi-check https://api.cn402.com/almanac?date=stringcurl -s https://api.teppi.xyz/v1/trust/cap_01M2A2A2FS5NM5A76QYVXYYJ63