# Facebook 关键词搜索 API (facebook.search)

- Canonical page: https://everyinfra.com/facebook-api/search
- Endpoint: POST https://api.everyinfra.com/api/v1/social with {"platform": "facebook", "action": "search", "params": {...}}
- Price: $0.016 per call ($16 per 1,000 requests); failed calls and empty results are not charged
- Billing unit: every 10 rows you ask for count as one call; blocks that come back with no rows are not charged
- Returns: list, default 10, max 200 per call
- 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=facebook&action=search

## Parameters

| name | type | required | default | description |
|---|---|---|---|---|
| keyword | not declared | yes | not declared | search 查公开帖子；ads 查广告关键词，也可传广告库/主页 URL；marketplace 查商品词，也可传完整 Marketplace 搜索 URL。三个入口范围不同，不是同一份结果换字段。 |
| content_type | enum: latest / most_popular | no | not declared | search 的排序维度，latest 为较新帖子、most_popular 为热门帖子。虽然参数名为 content_type，它不是 image/video 图片或视频格式筛选。 |
| since | not declared | no | not declared | search 帖子发布时间起点，建议 YYYY-MM-DD；不是广告投放开始时间或评论时间筛选。 |
| until | not declared | no | not declared | search 帖子发布时间终点，建议 YYYY-MM-DD，与 since 组成查询时间范围；不控制广告到期时间。 |
| limit | integer (1–200) | no | 10 | 这次调用最多返回的条数，整数，1–200；不传按默认值，实际返回可能少于这个数。超过上限会在扣费前返回 422。 |

## Response fields (items in `results`)

| field | meaning |
|---|---|
| id | 该记录在原平台上的唯一标识。仅在同一平台内唯一，跨平台可能重复。 |
| url | 该记录在原平台上的可访问链接。 |
| text | 正文内容，已去除 HTML 标签，全文返回、不截断（个别平台的列表结果本身只有摘要，以该平台的字段说明为准）。 |
| author_name | 作者昵称（显示名）。 |
| author_username | 作者用户名（@handle），通常可用于拼 URL。 |
| author_id | 评论作者的数字用户 ID（稳定标识，可用于跨请求去重）。 |
| author_url | 评论作者的主页链接。 |
| author_avatar_url | 作者头像图片链接（多数平台带签名、会过期）。 |
| media | 帖子的图片 / 视频：type、url（图片或视频封面）、width、height、link（点开的地址）。 |
| reactions | 分表情计数：like、love、care、haha、wow、sad、angry。 |
| view_count | 浏览/播放数。null 表示不公开，不等于 0。 |
| link | 帖子附带的外链。 |
| group_name | 帖子所在的群名（群帖才有）。 |
| is_paid_partnership | 是否付费合作帖。 |
| like_count | 点赞数。null 表示该平台或该接口不公开此数据，不等于 0。 |
| comment_count | 评论数。null 表示不公开，不等于 0。 |
| share_count | 分享/转发数。null 表示不公开，不等于 0。 |
| posted_at | 发布时间，ISO 8601 格式、UTC 时区（如 2026-08-07T12:34:56+00:00）。平台只给非标准字符串时原样透传，解析前建议做容错。null 表示平台未公开。 |
| platform | 数据来源平台标识，与请求里的 platform 一致（如 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": "facebook",
  "action": "search",
  "params": {
    "keyword": "urban gardening"
  }
}'
```

```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": "facebook",
        "action": "search",
        "params": {
            "keyword": "urban gardening",
        },
    },
    timeout=120,
)
print(response.status_code)
print(response.json())
```

## Response example

Real response to the example request above, captured 2026-09-26T08:56:04Z. `results` and `count` are real with personal information (names, handles, avatars, profile links, contact details) removed; the list keeps the first 2 of 10. `id`, `billing` and `quota` differ on every call, so only their shape is shown.

```text
{
  "id": "req_…",
  "platform": "facebook",
  "action": "search",
  "results": [
    {
      "id": "•••",
      "url": "https://www.facebook.com/permalink.php?story_fbid=pfbid0vKMztoky1iJDEbVmvrqgZAsKJUFvpaiMh6i1KHScVCkSrd5QaPKjHiRobJfgjsuhl&id=61594613075925",
      "text": "What would you plant?",
      "author_name": "•••",
      "author_username": "•••",
      "like_count": 0,
      "comment_count": 0,
      "share_count": 0,
      "posted_at": "2026-09-24T07:34:03+00:00",
      "platform": "facebook"
    },
    {
      "id": "•••",
      "url": "https://www.facebook.com/hackhousegarden/posts/pfbid02icHy9PvAydrr77x9t6fzt5wfZnkwSdBEb7VfXG7Db63FD8afuoeDhj3BQCQxKMkDl",
      "text": "Rooftop Urban Garden: Sustainable Living Above the City\n\nThis image showcases a thriving rooftop garden that transforms a compact urban space into a productive and sustainable oasis. Surrounded by neighboring buildings, the rooftop is filled with an impressive variety of vegetabl…",
      "author_name": "•••",
      "author_username": "•••",
      "like_count": 112,
      "comment_count": 0,
      "share_count": 6,
      "posted_at": "2026-07-14T20:10:30+00:00",
      "platform": "facebook"
    }
  ],
  "count": 10,
  "billing": {
    "charged": …,
    "charged_usd": …,
    "balance_after_usd": …,
    …
  },
  "quota": { … }
}
```

## Also

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