Line 21

Line 21 provides an intelligent live captioning platform that combines human expertise with advanced AI models to deliver accurate closed captions for live events. The service supports over 100 languages and integrates with major streaming protocols, video platforms, and communication tools like Zoom and Microsoft Teams. It offers a comprehensive suite of features including ASR, manual captioning, translation, and embedding players for broadcast and online streaming workflows.

LLM mention score

Normalized 0–100 · last 8 weeks

DataForSEO API

Get LLM mention data of any company via DataForSEO API

Get access to the structured data on keyword, brand, and website mentions in LLMs, including metrics like AI search volume, impressions, and mentions count.

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How to get LLM mention data →

// Fetch Line 21 mentions
POST v3/ai_optimization/llm_mentions/search/live
[
    {
        "target": [
            {
                "keyword": "Line 21",
                "search_scope": ["any"]
            }
        ],
        "platform": "chat_gpt",
        "order_by" : ["ai_search_volume,desc"]
    }
]