# Last.fm on Onekey

> 9 endpoints for Last.fm (0 stable, 9 beta), 1 to 5 credits each. Category: Music & audio. 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/lastfm
Reference (Markdown): https://onekey.dev/docs/api/lastfm.md
All docs: https://onekey.dev/llms.txt

## Canonical fields returned

Unified-schema fields (same names on every platform), with how many of the 9 mapped Last.fm endpoints return each:

- `author.displayName` (string): 9
- `engagement.views` (integer): 8
- `author.url` (URL): 5
- `author.followers` (integer): 4
- `content.title` (string): 3
- `content.url` (URL): 3
- `author.bio` (string): 1
- `entity.name` (string): 1
- `entity.url` (URL): 1
- plus 3 platform-specific fields under `ext.`

## Endpoints

### lastfm.album_info

Album info and stats (Last.fm).
- Price: 1 credit per fresh call. Status: beta. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/lastfm/album_info?artist=Radiohead&album=OK%20Computer` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `artist` (string, required): Artist name
  - `album` (string, required): Album name
- Fields returned: `entity.name`, `author.displayName`, `entity.url`, `engagement.views`, `ext.listeners`
- Reference: https://onekey.dev/docs/api/lastfm/album_info.md

### lastfm.artist_info

Artist info and stats (Last.fm).
- Price: 1 credit per fresh call. Status: beta. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/lastfm/artist_info?artist=Radiohead` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `artist` (string, required): Artist name
- Fields returned: `author.displayName`, `author.url`, `author.followers`, `engagement.views`, `author.bio`, `ext.mbid`
- Reference: https://onekey.dev/docs/api/lastfm/artist_info.md

### lastfm.artist_search

Search artists (Last.fm).
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lastfm/artist_search?q=radiohead` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search query
- Fields returned: `author.displayName`, `author.url`, `author.followers`, `engagement.views`, `ext.mbid`
- Reference: https://onekey.dev/docs/api/lastfm/artist_search.md

### lastfm.artist_similar

Artists similar to an artist (Last.fm).
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lastfm/artist_similar?artist=Radiohead` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `artist` (string, required): Artist name
- Fields returned: `author.displayName`, `author.url`, `ext.match`
- Reference: https://onekey.dev/docs/api/lastfm/artist_similar.md

### lastfm.chart_top_artists

Global top artists chart (Last.fm).
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lastfm/chart_top_artists` with header `x-api-key: YOUR_API_KEY`
- Parameters: none
- Fields returned: `author.displayName`, `author.url`, `author.followers`, `engagement.views`, `ext.mbid`
- Reference: https://onekey.dev/docs/api/lastfm/chart_top_artists.md

### lastfm.chart_top_tracks

Global top tracks chart (Last.fm).
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lastfm/chart_top_tracks` with header `x-api-key: YOUR_API_KEY`
- Parameters: none
- Fields returned: `content.title`, `author.displayName`, `content.url`, `engagement.views`, `ext.listeners`
- Reference: https://onekey.dev/docs/api/lastfm/chart_top_tracks.md

### lastfm.tag_top_artists

Top artists for a tag/genre (Last.fm).
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lastfm/tag_top_artists?tag=rock` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `tag` (string, required): Tag, e.g. rock
- Fields returned: `author.displayName`, `author.url`, `author.followers`, `engagement.views`, `ext.mbid`
- Reference: https://onekey.dev/docs/api/lastfm/tag_top_artists.md

### lastfm.track_info

Track info and stats (Last.fm).
- Price: 1 credit per fresh call. Status: beta. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/lastfm/track_info?artist=Radiohead&track=Creep` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `artist` (string, required): Artist name
  - `track` (string, required): Track name
- Fields returned: `content.title`, `author.displayName`, `content.url`, `engagement.views`, `ext.listeners`
- Reference: https://onekey.dev/docs/api/lastfm/track_info.md

### lastfm.track_search

Search tracks (Last.fm).
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lastfm/track_search?q=creep` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search query
- Fields returned: `content.title`, `author.displayName`, `content.url`, `engagement.views`, `ext.listeners`
- Reference: https://onekey.dev/docs/api/lastfm/track_search.md

## Sample request

```bash
curl "https://api.onekey.dev/v1/lastfm/album_info?artist=Radiohead&album=OK%20Computer" \
  -H "x-api-key: YOUR_API_KEY"
```