21st.dev

21st.dev is a developer platform and AI agent registry that provides tools to accelerate the development of agentic AI applications. The company offers an open registry for discovering ready-to-use agent configurations, a library of React UI components, and an Agents SDK for building and deploying custom AI agents.

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.

Get Free API Credits API Documentation

How to get LLM mention data →

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