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Billing
Upgrade from free to Standard or Pro with the first-party Base Pay checkout, or use x402 when you need the same settlement rail through an API or agent client.
Billing onboardingLive path
Step 1
Choose a paid tier
Standard and Pro both settle in USDC on Base.
Step 2
Complete checkout
Base Pay keeps the browser flow intact. x402 exposes the same finalization lane for agent clients.
Step 3
Unlock the plan
Payment is verified against the protocol treasury before your membership tier changes.
Billingfree
Start billing in a dedicated surface. Base Pay is the browser-native path, while x402 stays available for API and agent-driven settlement.
Settlement lane
USDC
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Treasury model
Protocol treasury
Public settlement lands in the protocol treasury. Private custody sweeps stay internal.
Wallet on file
No wallet saved yet
Base Pay returns the payer wallet automatically. x402 lets you finalize with the payer wallet you used.
Base Pay: the official checkout opens in the browser and finalizes membership automatically after the USDC settlement is confirmed.