# WeChat Channels Video Sub Comments API

> Get replies under a first-level WeChat Channels video comment using the video and root-comment IDs. Use it to continue a threaded comment discussion with buffer pagination.

Source: https://www.sandbase.ai/model/wechat-channels/video-sub-comment
API reference: https://www.sandbase.ai/model/wechat-channels/video-sub-comment/docs

## Facts

- Provider: WeChat Channels
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/wechat-channels/video-sub-comment`
- Price: $0.03 per call
- Capabilities: api, wechat channels, social media
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/wechat-channels/video-sub-comment` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `objectId` | string | yes |  |
| `rootCommentId` | string | yes |  |
| `last_buffer` | string | no |  |

## FAQ

### How do I use the WeChat Channels Video Sub Comments API?

Send a POST request to https://api.sandbase.ai/v1/api/wechat-channels/video-sub-comment with your SandBase API key in the Authorization header (Bearer) and the parameters as a JSON body. You can also try it in the Playground on this page without writing code.

### How much does the WeChat Channels Video Sub Comments API cost?

$0.03 per call, billed from your SandBase balance. You are only charged for calls you make; there is no subscription.

### What parameters does the WeChat Channels Video Sub Comments API accept?

Required: objectId (string) and rootCommentId (string). Optional: last_buffer (string). The Parameters table and the Playground on this page list every field.

### What does the WeChat Channels Video Sub Comments API return?

A JSON response returned in the same HTTP request (synchronous).

### Do I need a WeChat Channels developer account or API key?

No. WeChat Channels Video Sub Comments runs through SandBase, so one SandBase API key covers this endpoint and every other API and model in the catalog. You do not need to apply for WeChat Channels API access separately.

## README

### WeChat Channels Video Sub Comments API

Get replies under a first-level WeChat Channels video comment using the video and root-comment IDs. Use it to continue a threaded comment discussion with buffer pagination.

The response is the platform's original data structure.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/run" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "wechat-channels/video-sub-comment", "objectId": "15042116979764234697", "rootCommentId": "15042242325261781458"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `objectId` | string | Yes | WeChat Channels video object id used to fetch second-level comment replies. |
| `rootCommentId` | string | Yes | Root first-level comment id returned by the WeChat Channels video comments endpoint. |
| `last_buffer` | string | No | Pagination buffer for WeChat Channels second-level comment replies. Use the first-level comment's last_buffer for the first reply page when present. For this POST endpoint, send it in an application/x-www-form-urlencoded form body. |

#### Pricing

Flat price per call. Failed calls and empty results are not charged.