SongBPM
Song tempos, musical keys and time signatures
Song tempo and key information for music listeners, performers and DJs.
Your information
Song title, for example Blinding Lights.
Performing artist, for example The Weeknd.
Example results
Shake It Off
Taylor Swift
- Camelot key
- 9B
- Time signature
- 4/4
About the SongBPM tool
SongBPM finds a song match from a title and artist.
Get song tempo and key returns tempo, musical key, Camelot key, length, and time signature.
Built from songbpm.com. Last checked Sep 29, 2026.
Actions
Get song tempo and key
1 creditFind the best SongBPM match for a song title and artist and return its tempo, musical key, Camelot key, length and time signature. Album and numeric danceability, energy and acousticness may be unavailable on public song pages.
What you provide
| Field | Type | Required | Description |
|---|---|---|---|
Songsong | Text | Required | Song title, for example Blinding Lights.Example: Shake It Off |
Artistartist | Text | Required | Performing artist, for example The Weeknd.Example: Taylor Swift |
What you get
| Field | Type | Description |
|---|---|---|
Songsong | Text | Matched song title.Example: Shake It Off |
Albumalbum | Text | Album name, when available. |
Artistartist | Text | Matched artist.Example: Taylor Swift |
Energyenergy | Number | Energy on a 0–100 scale when shown. |
Lengthlength | Text | Song length, such as 3:20.Example: 3:39 |
Tempo Bpmtempo_bpm | Number | Tempo in beats per minute.Example: 160 |
Camelot Keycamelot_key | Text | Camelot mixing key derived from musical key and mode.Example: 9B |
Musical Keymusical_key | Text | Musical key and mode, when shown.Example: G major |
Acousticnessacousticness | Number | Acousticness on a 0–100 scale when shown. |
Danceabilitydanceability | Number | Danceability on a 0–100 scale when shown. |
Songbpm Linksongbpm_link | Text | Link to the matched SongBPM song page.Example: https://songbpm.com/@taylor-swift/shake-it-off-1000c4cd-c78c-4d56-8b14-ff6f354a… |
Length (seconds)length_seconds | Number | Song length in seconds.Example: 219 |
Time Signaturetime_signature | Text | Beats per bar as a time signature when shown.Example: 4/4 |
Example result
For Song: Shake It Off, Artist: Taylor Swift
{
"song": "Shake It Off",
"album": null,
"artist": "Taylor Swift",
"energy": null,
"length": "3:39",
"tempo_bpm": 160,
"camelot_key": "9B",
"musical_key": "G major",
"acousticness": null,
"danceability": null,
"songbpm_link": "https://songbpm.com/@taylor-swift/shake-it-off-1000c4cd-c78c-4d56-8b14-ff6f354a3c45",
"length_seconds": 219,
"time_signature": "4/4"
}For developers
Call it from your code with one request. Change the values in input to run it on new data. To get an API key, open Developers at the bottom of Studio, turn on Developer mode and go to API keys.
curl 'https://api.fous.com/v1/query' \
--fail-with-body --silent --show-error --max-time 180 \
-H "Authorization: Bearer YOUR_API_KEY" \
-H 'Content-Type: application/json' \
--data-raw '{
"api": "@songbpm",
"visibility": "public",
"operation": "get_song_tempo_and_key",
"version": 1,
"input": {
"song": "Shake It Off",
"artist": "Taylor Swift"
},
"response": {
"format": "json"
}
}'What you can do with it
- Find tempos for songs in a playlist
- Match songs by title and artist
- Group tracks by musical key
- Check song lengths and time signatures
Questions about SongBPM
Can I run it with my own inputs?
Yes. Change the inputs in Studio and press Run, or send new inputs from your code, or ask a connected AI assistant.
Can I call this SongBPM tool as an API?
Yes. Send a POST request to /v1/query with your Fous API key and the inputs, and get JSON back.
How much does it cost?
Each completed run costs 1 credit. Failed runs without a completed receipt are free; completed work can remain charged if delivery is interrupted. With pay as you go, a credit costs 1¢. Monthly plans cost less per credit.
Do I need a SongBPM account?
No. You only need a Fous account.
How current is the data?
Fous gets the data from songbpm.com when you run it. Some results are reused for up to 24 hours, and results that use your account or key are never reused. It was last verified on Sep 29, 2026.
What is a song’s tempo?
Get song tempo and key returns the tempo in beats per minute for a matched song.
What key is a song in?
Get song tempo and key returns the musical key and mode when shown, plus a Camelot key.
How long is a song?
Get song tempo and key returns song length as a time and in seconds.