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Music Theory

LIVE ON-CHAINBaseN/A

Transpose a chord progression by semitones or from one key to another, with spelling that fits the target key.

Last updated 3h ago

87
Trust
100%
Uptime
168 ms
Latency
$21.99*
Volume (30d)

Overview

Protocolx402
FacilitatorCoinbase
Payment assetUSD Coin
Networkbase
Categoryother
Sourcebazaar

Health

StatusOperational
Uptime (window)100%
Success rate—
Confidence100%
Quotes (14d)1
Last checked10/21/2026, 6:19:20 PM

Wallets

On-chain payment destinations for this service, with each wallet’s current USDC balance. Click an address to view it on the block explorer.

Base0xb531320805C5BED1D46AEaDcF4F008FDF172DBDaPRIMARY$3.56USDC balance

Latest x402 transactions

On-chain USDC settlements received on Base · 0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa · balance $3.56 USDC

AmountDatePayerFacilitatorTx
$0.022d ago0x9fc9cec735b944c52ead93079c6b87f788158e7f Coinbase0x484e08…e15989
$0.052d ago0x9fc9cec735b944c52ead93079c6b87f788158e7f Coinbase0xd6fd77…e7d4d5
$0.022d ago0x9fc9cec735b944c52ead93079c6b87f788158e7f Coinbase0x4686c4…498681
$0.022d ago0x9fc9cec735b944c52ead93079c6b87f788158e7f Coinbase0xe06fda…4a363d
$0.022d ago0x9fc9cec735b944c52ead93079c6b87f788158e7f Coinbase0x76c9d7…70ae9d
$0.022d ago0x9fc9cec735b944c52ead93079c6b87f788158e7f Coinbase0xc8bc0b…e56e87
$0.022d ago0x9fc9cec735b944c52ead93079c6b87f788158e7f Coinbase0xb6ec99…773549
$0.022d ago0x9fc9cec735b944c52ead93079c6b87f788158e7f Coinbase0x181b86…195c17
$0.022d ago0x9fc9cec735b944c52ead93079c6b87f788158e7f Coinbase0xe490ed…39c3ca
$0.022d ago0x9fc9cec735b944c52ead93079c6b87f788158e7f Coinbase0x2d13eb…a304bb
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Endpoints (10)

Schema API (all endpoints) ↗

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