Test mode
Try the full payment flow without treating test tokens as money.
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Verified environment
The verified configuration uses Base Sepolia, Arbitrum Sepolia, Arc Testnet and Tempo Moderato. These are test networks. Production availability has not been verified.
Test objects have livemode: false. Test tokens have no monetary value. A key, invoice or checkout session stays in its own mode.
Keep test and live data separate
- Use a fw_test_ key for test objects.
- A key cannot read another mode’s invoices; those reads return 404.
- An invoice cannot mix token options from different modes.
- Do not use successful test payments as evidence of mainnet availability.