# YouTube Post Comment Replies API

> Returns second-level comment replies for a YouTube post. Supports pagination using continuation tokens, along with optional country and language localization settings.

Source: https://www.sandbase.ai/model/youtube/web-v2/post-comment-replies
API reference: https://www.sandbase.ai/model/youtube/web-v2/post-comment-replies/docs

## Facts

- Provider: YouTube
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/youtube/web-v2/post-comment-replies`
- Price: $0.0015 per call
- Free allowance: 100 calls per organization per UTC day, shared across eligible APIs
- Capabilities: api, youtube
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/youtube/web-v2/post-comment-replies` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `continuation_token` | string | yes |  |
| `country_code` | string | no |  |
| `language_code` | string | no |  |
| `need_format` | boolean | no |  |

## FAQ

### How do I use the YouTube Post Comment Replies API?

Send a POST request to https://api.sandbase.ai/v1/api/youtube/web-v2/post-comment-replies 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 YouTube Post Comment Replies API cost?

$0.0015 per call. Every organization gets 100 free calls per UTC day, shared across eligible SandBase APIs including this one; after that each call is billed at this price from your SandBase balance. There is no subscription.

### What parameters does the YouTube Post Comment Replies API accept?

Required: continuation_token (string). Optional: country_code (string), language_code (string) and need_format (boolean). The Parameters table and the Playground on this page list every field.

### What does the YouTube Post Comment Replies API return?

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

### Do I need a YouTube developer account or API key?

No. YouTube Post Comment Replies 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 YouTube API access separately.

## README

### YouTube Post Comment Replies API

Retrieve second-level replies for a post comment using `continuation_token`. Optional parameters include `country_code`, `language_code`, and `need_format`.

#### Use cases

- Display nested discussion threads under community post comments.
- Analyze conversation chains and follow-up viewer interactions.
- Paginate through reply threads for comprehensive sentiment monitoring.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/api/youtube/web-v2/post-comment-replies" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"continuation_token": "<continuation_token>"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `continuation_token` | string | Yes | Next page token (if more replies) |
| `need_format` | boolean | No | Whether to format data, default `true` |
| `country_code` | string | No | Country code, default `"US"` |
| `language_code` | string | No | Language code, default `"zh-CN"` |

#### Notes

- `continuation_token` is required to paginate through subsequent comment replies.
- `country_code` defaults to `"US"` and `language_code` defaults to `"zh-CN"`.
- `need_format` determines whether to format the data and defaults to `true`.

#### Related APIs

- [YouTube Channel Community Posts](/model/youtube/web-v2/channel-community-posts): Returns community posts from a specific YouTube channel, including text content, polls, votes, and comment counts.
- [YouTube Channel Description](/model/youtube/web-v2/channel-description): Returns YouTube channel details including subscriber counts, video totals, view counts, joined date, and social links.
- [YouTube Channel ID from URL](/model/youtube/web-v2/channel-id): Resolves a YouTube channel URL to its canonical channel ID.
