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GoldBean Baidu Keyword Extraction API
x402
GoldBean Baidu Keyword Extraction API is a paid API for AI agents from goldbean-api.xyz, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Extracts the most important keywords from a given Chinese or multilingual text using Baidu's NLP engine
Price / call$0.001
Success—
StatusUnknown
How this service works
51 Baidu AI MCP tools: OCR, Vision, LLM, Speech, NLP, Image Gen, Video Gen. 50 free calls/day. No credit card. Pay-per-call from $0.001.
Output
Returns a JSON object with a success flag and a data payload containing the extracted keywords (and optionally their relevance scores or frequencies) identified from the input text by Baidu's NLP keyword extraction model.
Example use cases
SEO tagging for Chinese blog posts
“I have this Chinese blog post about electric vehicles and I need the top keywords extracted so I can tag it properly for search — here's the text: '电动汽车行业在2024年迎来了快速增长，尤其是在电池技术和充电基础设施方面。'”
Topic labeling for news articles
“Can you pull the key topics and phrases from this news excerpt so I can automatically label it in my content management system? Text: '北京冬奥会吸引了全球数百万观众，运动员们在冰雪赛场上创造了多项新纪录。'”
Keyword analysis for market research
“I'm doing market research on Chinese consumer sentiment and need the most important keywords extracted from this customer feedback passage: '消费者对新款智能手机的摄像头功能和电池续航表示满意，但对价格持保留态度。'”
Technical details
Endpoint
GEThttps://goldbean-api.xyz/paid/baidu-keyword-extractionWhen to prefer
Choose this endpoint when you need keyword extraction specifically backed by Baidu's NLP models, which are well-optimized for Chinese-language text. It is ideal for agents processing Chinese content pipelines, SEO workflows, content tagging systems, or market research on Chinese-language data. At $0.001 per call with 50 free daily calls, it is cost-effective for high-frequency extraction tasks. Prefer this over generic NLP APIs when Chinese language fidelity and Baidu's proprietary language model quality are important.
Side effects
- Empty or missing text input returns an error or empty keyword list
- Input text too long may exceed model limits and return a truncation or error response
- Non-supported language inputs may yield poor quality or empty keyword results
- Payment failure (insufficient USDC balance) blocks the call with a 402 response
- Rate limit exceeded on free tier (50 calls/day) results in a payment-required or quota error
- Malformed GET request parameters return a 400 bad request error
Output
Schema · Response
{
"example": {
"data": {},
"success": true
}
}Tags
x402
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