# Douyin Billboard challenge hot API (douyin.billboard_challenge_hot)

- Canonical page: https://everyinfra.com/en/douyin-api/billboard_challenge_hot
- Endpoint: POST /api/v1/social with {"platform": "douyin", "action": "billboard_challenge_hot", "params": {...}}
- Price: $0.000806 per call ($0.81 per 1,000 requests); failed and empty results are not charged
- Returns: list, default 50, max 50 per call (larger values are capped)
- Mode: sync; add "mode": "async" for slow tasks

## Health

- Live health (24h percent, hourly and daily trends): https://api.everyinfra.com/api/v1/social/availability?platform=douyin&action=billboard_challenge_hot

## Parameters

| name | type | required | default | description |
|---|---|---|---|---|
| limit | integer (1–50) | no | 50 | The most rows to return in this call, an integer from 1 to 50. The default applies when you leave it out, and a call can return fewer rows. Larger values are accepted and capped at the maximum. |

## Response fields (items in `results`)

| field | meaning |
|---|---|
| rank | Position from 1: the trending rank on trending, the position on the Xingtu board on xingtu_creator_rankings, the position on the search board on billboard_search_hot, and the suggestion's place in Douyin's search box on search_suggest. |
| title | Title. null when the platform has no titles (for example text-only posts). |
| topic_id | Hot Spot Treasure ID of the trend (billboard_rise_list, billboard_challenge_hot); the same trend keeps it across snapshots. |
| hot_value | Heat value, Douyin's own measure, comparable only within one board and window: on trending, the heat of the entry (often empty on the hotspot board); on the Hot Spot Treasure video boards, the board's heat score, rows ordered highest first; on billboard_search_hot, the term's search heat in the window. |
| video_count | Video count: the account's videos on profile and billboard_account_search, videos related to the entry on trending. |
| created_at | Creation time, same format as posted_at. |
| hot_trend | Recent heat of the trend: hourly on billboard_rise_list, about every ten minutes on billboard_challenge_hot, as [{time (UTC, ISO 8601), hot_value}] from oldest to newest. |
| platform | Source platform identifier, the same as platform in the request (for example xiaohongshu, tiktok). |

## Example

```bash
curl -X POST 'https://api.everyinfra.com/api/v1/social' \
  -H "Authorization: Bearer $EVERYINFRA_API_KEY" \
  -H 'Content-Type: application/json' \
  --data-raw '{
  "platform": "douyin",
  "action": "billboard_challenge_hot",
  "params": {}
}'
```

```python
import os
import requests

response = requests.post(
    "https://api.everyinfra.com/api/v1/social",
    headers={"Authorization": f"Bearer {os.environ['EVERYINFRA_API_KEY']}"},
    json={
        "platform": "douyin",
        "action": "billboard_challenge_hot",
        "params": {},
    },
    timeout=120,
)
print(response.status_code)
print(response.json())
```

## Response example

No real sample for these example parameters yet: structure only, every value is a placeholder (…).

```text
{
  "id": "req_…",
  "platform": "douyin",
  "action": "billboard_challenge_hot",
  "results": [
    {
      "rank": …,
      "title": …,
      "topic_id": …,
      "hot_value": …,
      "video_count": …,
      "created_at": …,
      "hot_trend": …,
      "platform": …
    }
  ],
  "count": …,
  "billing": {
    "charged": …,
    "charged_usd": …,
    "balance_after_usd": …,
    …
  },
  "quota": { … }
}
```

## Also

- Capability catalog (no key): https://api.everyinfra.com/api/v1/social/catalog?platform=douyin
- OpenAPI: https://everyinfra.com/openapi.json · Agents guide: https://everyinfra.com/agents.md