# Blockchair API

> Blockchair API on Apizie: 1 endpoint (Chain stats) returned as clean JSON through one API key. 1 endpoint is live now. Call it over REST at https://apizie.tech/v1/finance:blockchair/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `finance:blockchair`
- Category: Finance
- Status: live
- Source: https://blockchair.com/api/docs
- Page: https://apizie.tech/api/finance/blockchair
- OpenAPI: https://apizie.tech/api/finance/blockchair/openapi.json

Blockchain statistics for Bitcoin, Ethereum, Litecoin, Dogecoin and more.

## Endpoints

### Chain stats
`GET https://apizie.tech/v1/finance:blockchair/stats`

| Parameter | Type | Required | Description |
|---|---|---|---|
| chain | string | no |  |

## Example
```
curl "https://apizie.tech/v1/finance:blockchair/stats" \
  -H "x-api-key: $APIZIE_KEY"
```

## FAQ

### How do I call the Blockchair API?
Create a free Apizie key, then send GET https://apizie.tech/v1/finance:blockchair/stats with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the Blockchair API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card.

### Can AI agents use the Blockchair API?
Yes. Add the Apizie MCP server (https://apizie.tech/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key finance:blockchair.

### What is the status of the Blockchair API?
Live: works with just an Apizie key