Networks
| Public test | Production | |
|---|---|---|
| Chain | Base Sepolia | Base |
| Token | Test USDC (no value) | USDC |
| Funding | Faucet, 5 test USDC a day | Transfer USDC; card purchase when enabled |
| API | https://api.staging.katara.com/v1 |
https://api.katara.com/v1 |
| Keys | kat_test_… |
kat_live_… |
Everything else is the same: models, prices, fees, the wallet, and the apps. Use the test network to see real numbers before you spend anything.