# NASA on Onekey

> 10 endpoints for NASA (3 stable, 7 beta), 1 to 5 credits each. Category: Maps, weather & space. One key, one JSON shape.

Base URL: https://api.onekey.dev
Auth: header `x-api-key: <key>`. Call shape: `GET /v1/{platform}/{endpoint}?{params}`.
Every response is `{success, data, metadata, error}`; check `success` first. Cost is in `metadata.credits_charged`. Free when served from cache (0.2 credit for a cached response over 100 KB). Failed and not-found calls are refunded.
Status: stable = verified against the live source; beta = not yet verified, fields may be missing.

Page: https://onekey.dev/platforms/nasa
Reference (Markdown): https://onekey.dev/docs/api/nasa.md
All docs: https://onekey.dev/llms.txt

## Canonical fields returned

Unified-schema fields (same names on every platform), with how many of the 10 mapped NASA endpoints return each:

- `entity.url` (URL): 8
- `entity.category` (string): 6
- `content.createdAt` (ISO 8601 date): 5
- `entity.id` (string): 5
- `content.text` (string): 4
- `media.url` (URL): 4
- `author.displayName` (string): 3
- `content.title` (string): 3
- `entity.date` (ISO 8601 date): 3
- `media.thumbnailUrl` (URL): 3
- `content.id` (string): 2
- `entity.name` (string): 2
- `entity.description` (string): 1
- plus 14 platform-specific fields under `ext.`

## Endpoints

### nasa.apod

Astronomy Picture of the Day (today).
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/nasa/apod` with header `x-api-key: YOUR_API_KEY`
- Parameters: none
- Fields returned: `content.title`, `content.text`, `media.url`, `entity.url`, `entity.category`, `content.createdAt`, `author.displayName`, `media.thumbnailUrl`
- Reference: https://onekey.dev/docs/api/nasa/apod.md

### nasa.apod_date

Astronomy Picture of the Day for a given date (1995-06-16 onward).
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/nasa/apod_date?date=2024-01-01` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `date` (string, required): Date YYYY-MM-DD
- Fields returned: `content.title`, `content.text`, `media.url`, `entity.url`, `entity.category`, `content.createdAt`, `author.displayName`, `media.thumbnailUrl`
- Reference: https://onekey.dev/docs/api/nasa/apod_date.md

### nasa.apod_range

Astronomy Pictures of the Day for a date range.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/nasa/apod_range?start=2024-01-01&end=2024-01-05` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `start` (string, required): Date YYYY-MM-DD
  - `end` (string, required): Date YYYY-MM-DD
- Fields returned: `content.title`, `content.text`, `media.url`, `entity.url`, `entity.category`, `content.createdAt`, `author.displayName`, `media.thumbnailUrl`
- Reference: https://onekey.dev/docs/api/nasa/apod_range.md

### nasa.donki_cme

Coronal mass ejections (DONKI) in a date window (max 30 days).
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/nasa/donki_cme?start=2024-01-01&end=2024-01-10` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `start` (string, required): Date YYYY-MM-DD
  - `end` (string, required): Date YYYY-MM-DD
- Fields returned: `entity.id`, `entity.date`, `entity.description`, `entity.category`, `entity.url`, `ext.sourceLocation`, `ext.activeRegion`
- Reference: https://onekey.dev/docs/api/nasa/donki_cme.md

### nasa.donki_flares

Solar flares (DONKI) in a date window (max 30 days).
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/nasa/donki_flares?start=2024-01-01&end=2024-01-10` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `start` (string, required): Date YYYY-MM-DD
  - `end` (string, required): Date YYYY-MM-DD
- Fields returned: `entity.id`, `entity.date`, `content.createdAt`, `entity.category`, `entity.url`, `ext.sourceLocation`, `ext.activeRegion`
- Reference: https://onekey.dev/docs/api/nasa/donki_flares.md

### nasa.donki_storms

Geomagnetic storms (DONKI) in a date window (max 30 days).
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/nasa/donki_storms?start=2024-03-01&end=2024-03-31` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `start` (string, required): Date YYYY-MM-DD
  - `end` (string, required): Date YYYY-MM-DD
- Fields returned: `entity.id`, `entity.date`, `entity.url`, `entity.category`, `ext.kpIndex`
- Reference: https://onekey.dev/docs/api/nasa/donki_storms.md

### nasa.epic_natural

Latest natural-color EPIC Earth images.
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/nasa/epic_natural` with header `x-api-key: YOUR_API_KEY`
- Parameters: none
- Fields returned: `content.id`, `content.text`, `content.createdAt`, `ext.imageName`
- Reference: https://onekey.dev/docs/api/nasa/epic_natural.md

### nasa.mars_latest_photos

Latest photos from a Mars rover (curiosity, perseverance, opportunity, spirit).
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/nasa/mars_latest_photos?rover=curiosity` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `rover` (string, required): Rover
- Fields returned: `content.id`, `media.url`, `ext.date`, `ext.camera`, `ext.rover`
- Reference: https://onekey.dev/docs/api/nasa/mars_latest_photos.md

### nasa.neo_browse

Browse the near-earth object catalogue (paged).
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/nasa/neo_browse?size=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `size` (string, optional, default 20): Rows (1-20)
  - `page` (string, optional, default 0): Page (0-based)
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `ext.absoluteMagnitude`, `ext.potentiallyHazardous`, `ext.diameterMinKm`, `ext.diameterMaxKm`, `ext.sentryObject`
- Reference: https://onekey.dev/docs/api/nasa/neo_browse.md

### nasa.neo_lookup

Near-Earth object by NASA SPK id.
- Price: 1 credit per fresh call. Status: beta. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/nasa/neo_lookup?id=3542519` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): SPK-ID, e.g. 3542519
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `ext.hazardous`, `ext.diameterMaxMeters`
- Reference: https://onekey.dev/docs/api/nasa/neo_lookup.md

## Sample request

```bash
curl "https://api.onekey.dev/v1/nasa/apod" \
  -H "x-api-key: YOUR_API_KEY"
```