Bilibili APIs - Video Danmaku (V2)

prod-global

GET

/api/bilibili/get-video-danmu/v2

Retrieve danmaku (rolling comments) for a specific Bilibili video.

Typical use cases:

• Analyzing real-time viewer reactions and community trends.
• Sentiment analysis based on rolling comments.

Parameters

Name	In	Type	Required	Description
token	query	string	Yes	Access token for the API.
aid	query	string	Yes	Bilibili Archive ID (AID).
cid	query	string	Yes	Bilibili Chat ID (CID).
page	query	string	No	Page number for pagination.

Code Samples

💡 Environment Note

Default samples use https://api.justoneapi.com (prod-global). For users in Mainland China, it is recommended to replace it with http://47.117.133.51:30015 (prod-cn) for better performance. See Environment Guide.

🐚 cURL

# Tip: For Mainland China, replace https://api.justoneapi.com with http://47.117.133.51:30015
curl -X GET "https://api.justoneapi.com/api/bilibili/get-video-danmu/v2?token=YOUR_API_KEY&aid=VALUE&cid=VALUE"

🤖 AI Prompt

I want to use the "Video Danmaku (V2)" API from Just One API.
API Endpoint: https://api.justoneapi.com/api/bilibili/get-video-danmu/v2
HTTP Method: GET
Authentication: Append "?token=YOUR_API_KEY" to the URL.
OpenAPI Definition: https://docs.justoneapi.com/openapi/bilibili-apis/video-danmaku-v2-en.json

Parameters:
- token (query): Access token for the API. (Required)
- aid (query): Bilibili Archive ID (AID). (Required)
- cid (query): Bilibili Chat ID (CID). (Required)
- page (query): Page number for pagination.

Return format: JSON

Response Handling & Error Codes:
1. Business results should be determined by the "code" field in the response body (code 0 means success).
2. Timeout Recommendation: Set request timeout to at least 60 seconds.
3. Business Code Reference:
   - 0: Success
   - 100: Invalid or Inactive Token
   - 301: Collection Failed. Please Retry.
   - 302: Rate Limit Exceeded
   - 303: Daily Quota Exceeded
   - 400: Invalid Parameters
   - 500: Internal Server Error
   - 600: Permission Denied
   - 601: Insufficient Balance

Please help me write a script in my preferred programming language to call this API and handle the response.

🐍 Python

# Tip: For Mainland China, replace https://api.justoneapi.com with http://47.117.133.51:30015
import requests

url = "https://api.justoneapi.com/api/bilibili/get-video-danmu/v2?token=YOUR_API_KEY&aid=VALUE&cid=VALUE"
response = requests.get(url)
print(response.json())

🌐 JavaScript

// Tip: For Mainland China, replace https://api.justoneapi.com with http://47.117.133.51:30015
const response = await fetch("https://api.justoneapi.com/api/bilibili/get-video-danmu/v2?token=YOUR_API_KEY&aid=VALUE&cid=VALUE", {
  method: "GET"
});
const data = await response.json();
console.log(data);

☕ Java

// Tip: For Mainland China, replace https://api.justoneapi.com with http://47.117.133.51:30015
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        HttpClient client = HttpClient.newHttpClient();
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://api.justoneapi.com/api/bilibili/get-video-danmu/v2?token=YOUR_API_KEY&aid=VALUE&cid=VALUE"))
            .method("GET", HttpRequest.BodyPublishers.noBody())
            .build();

        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
        System.out.println(response.body());
    }
}

🐹 Go

// Tip: For Mainland China, replace https://api.justoneapi.com with http://47.117.133.51:30015
package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	client := &http.Client{}
	url := "https://api.justoneapi.com/api/bilibili/get-video-danmu/v2?token=YOUR_API_KEY&aid=VALUE&cid=VALUE"
	req, _ := http.NewRequest("GET", url, nil)
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

🐘 PHP

// Tip: For Mainland China, replace https://api.justoneapi.com with http://47.117.133.51:30015
<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://api.justoneapi.com/api/bilibili/get-video-danmu/v2?token=YOUR_API_KEY&aid=VALUE&cid=VALUE");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
$response = curl_exec($ch);
curl_close($ch);
echo $response;

[OpenAPI Definition (JSON)]

Responses

{
  "code": 0,
  "data": []
}

💡 Note: For list data, the example shows only 1-2 items for simplicity. The actual count depends on the API response.