# CelesTrak API

> CelesTrak API on Apizie: 2 endpoints (Satellite, Group) returned as clean JSON through one API key. 2 endpoints are live now. Call it over REST at https://zieapi.vercel.app/v1/open-data:celestrak/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `open-data:celestrak`
- Category: Open Data
- Status: live
- Source: https://celestrak.org/NORAD/documentation/gp-data-formats.php
- Page: https://zieapi.vercel.app/api/open-data/celestrak
- OpenAPI: https://zieapi.vercel.app/api/open-data/celestrak/openapi.json

Orbital elements for satellites by NORAD id or group.

## Endpoints

### Satellite
`GET https://zieapi.vercel.app/v1/open-data:celestrak/satellite`

| Parameter | Type | Required | Description |
|---|---|---|---|
| noradId | string | yes |  |

### Group
`GET https://zieapi.vercel.app/v1/open-data:celestrak/group`

| Parameter | Type | Required | Description |
|---|---|---|---|
| group | string | yes |  |

## Example
```
curl "https://zieapi.vercel.app/v1/open-data:celestrak/satellite" \
  -H "x-api-key: $APIZIE_KEY"
```

## FAQ

### How do I call the CelesTrak API?
Create a free Apizie key, then send GET https://zieapi.vercel.app/v1/open-data:celestrak/satellite with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the CelesTrak 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 CelesTrak API?
Yes. Add the Apizie MCP server (https://zieapi.vercel.app/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key open-data:celestrak.

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