Search API for
AI agents & apps
One API for web search, content extraction, image search, and AI answers. Built for agents, not browsers.
Paste a URL and press Run
# Get a free API key (one command) curl -X POST https://searchx.dev/api/v1/signup \ -d '{"email":"you@example.com"}' # → {"api_key": "sk-sx-...", "daily_limit": 3000} # Search the web curl https://searchx.dev/api/v1/search \ -H "Authorization: Bearer sk-sx-YOUR_KEY" \ -G -d "q=kubernetes deployment" -d "mode=hybrid" # Extract any webpage (JS rendering supported) curl https://searchx.dev/api/v1/extract \ -H "Authorization: Bearer sk-sx-YOUR_KEY" \ -G -d "url=https://react.dev" -d "render=js"
6 endpoints, one API key
Everything your agent needs to search, read, and understand the web.
Web Search
Hybrid keyword + semantic search across 1B+ pages. BM25 + vector embeddings with RRF fusion.
Content Extraction
URL to clean markdown. Headless Chrome for SPAs. Metadata, outline, images, quality score.
Image Search
Keyword + semantic image search. 600K+ images indexed. Alt text + vector similarity.
AI Answer
Direct answer with inline citations. LLM synthesized from top sources. One call replaces RAG.
Autocomplete
Prefix search with fuzzy matching. Real-time query suggestions from the index.
MCP Protocol
Native Model Context Protocol. Plug into Claude Desktop, Cursor, or any MCP-compatible agent.
Why switch to SearchX
| SearchX | Bing API | Firecrawl | SerpAPI | |
|---|---|---|---|---|
| Free tier | 3K/day (90K/mo) | 1K total | 500/mo | 100/mo |
| Search + Extract | Both included | Search only | Extract only | Search only |
| JS rendering | Included | No | $19+ | No |
| Semantic search | Included | No | No | No |
| AI answer | Built-in | No | No | No |
| Image search | Included | $5 add-on | No | $50/mo |
| MCP protocol | Native | No | Yes | No |
Clean JSON, zero HTML parsing
Every response is structured JSON. Titles, snippets, citations, metadata — ready for your LLM context window.
{
"results": [
{
"title": "Kubernetes Deployment Guide",
"url": "https://kubernetes.io/docs/...",
"snippet": "A Deployment provides declarative updates...",
"score": 1268.06,
"domain": "kubernetes.io",
"trust_score": 0.96,
"citation": "[Kubernetes Deployment Guide](url) — kubernetes.io"
}
],
"total": 12840,
"took_ms": 4
}