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Eternum billing uses manual monthly USDC payments on Arc Testnet.

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Plans

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Pay with USDC

1

Open Billing

Go to Billing from the app sidebar.
2

Connect a wallet

Choose a browser wallet from the wallet selector. Eternum uses wagmi to discover installed wallet extensions.
3

Switch to Arc Testnet

Your wallet may ask to add or switch networks. Use chain ID 5042002 and RPC https://rpc.testnet.arc.network.
4

Approve the USDC transfer

The app sends USDC to the configured receiving wallet and receives a transaction hash.
5

Wait for verification

The backend verifies the transaction receipt, recipient, sender, token contract, and amount before updating your tier.

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Arc Testnet details

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Renewal and grace period

Paid tiers are valid for 30 days. If a paid tier expires, Eternum enters a grace period before downgrading the account to Seed.
Billing is currently on Arc Testnet. Testnet payments do not represent production payment settlement.