$0.05
per call · USD Coin on Base
Tag-per-Track: Agentic-First Musical Audio Analysis API. Extracts BPM, Key, Mood, Genres and Instruments from audio URLs.
Endpoint
POST https://api.tag-per-track.cloud/api/analyze12
Calls / 30d
3
Unique payers / 30d
Sep 10
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://api.tag-per-track.cloud/api/analyze", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"fileUrl": "https://example.com/audio.mp3"
}),
});
const data = await res.json();curl -X POST \
"https://api.tag-per-track.cloud/api/analyze" \
-H "Content-Type: application/json" \
-d '{"fileUrl":"https://example.com/audio.mp3"}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"data": {
"bpm": 120,
"genres": [
{
"confidence": 0.95,
"label": "electronic"
}
],
"instruments": [
{
"confidence": 0.99,
"label": "synthesizer"
}
],
"key": "C",
"moods": [
{
"confidence": 0.8,
"label": "happy"
}
],
"scale": "major"
},
"message": "Analysis successful. Payment confirmed on-chain.",
"success": true
}Payment details
0xd33906178569f35eff2e1665a14b06b455ff531fUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Developer Tools and the homepage with a featured placement.
More from Tag Per Track & similar services
Tag Per Track · Analyze With Lyrics
api.tag-per-track.cloud
Tag-per-Track: Agentic-First Musical Audio Analysis API. Extracts BPM, Key, Mood, Genres, Instruments AND Lyrics from audio URLs.
Loyalspark · Recipient API Offers
api.loyalspark.online
Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
Loyalspark · Workflow Reward Status
api.loyalspark.online
Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.