Chinese dog days, sanfu, 三伏, hottest period of year, Chinese coldest period, san
Chinese dog days, sanfu, 三伏, hottest period of year, Chinese coldest period, sanjiu, 三九, Chinese folk seasonal periods, Chinese medicine seasonal therapy, fu tian, 伏天, Chinese summer heat, Chinese winter cold. Exact dates for the three sanfu (dog day) periods and three sanjiu (coldest) periods of a given year. Used in traditional Chinese medicine seasonal therapy. Accepts payment on Base or Solana — either network works.
Answeringour last check, 2026-09-26
1 of 1checks answered this week
471 msmedian answer time
$0.016listed price per call
$0.016price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.cn402.com/sanfu/sanjiu
| Category | Market data |
|---|---|
| Provider host | api.cn402.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-26 | valid payment request | 402 | $0.016 | 471 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"year": "string"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"year": {
"description": "Year (required)",
"type": "string"
}
},
"required": [
"year"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}