# Exa API

AI Search

Neural search engine — find similar content and pages using embeddings.

Exa (formerly Metaphor) is a neural search engine that understands meaning. Search for similar content, find companies, or discover research using natural language.

### Details

**Auth Type**  
API Key (x-api-key header)

**Rate Limit**  
100 requests/minute

**Pricing**  
$0.01 per search

### Getting Started

1. **Try It Instantly**  
Click "Try It" above to test the API in the playground
   
2. **Add to Your Agent**  
Click "Add to Agent" to get your API key and integrate

### Common Use Cases

- Semantic search  
- Similar company finder  
- Research discovery  
- Content recommendation  
- Competitive intelligence

### 💻 Code Examples

Get started quickly with these code examples in your favorite language

#### cURL

```
curl -X GET \
  'https://www.callio.dev/api/proxy/exa/forward?target=https%3A%2F%2Fapi.exa.ai%2Fendpoint' \
  -H 'Authorization: Bearer YOUR_CALLIO_KEY' \
  -H 'Content-Type: application/json'
```

💡 **Tip:** Replace `YOUR_CALLIO_KEY` with your actual Callio API key from the [dashboard](/content/keys/index.html).

## Ready to integrate Exa API?  
Test endpoints live or generate your API key and start building in minutes