When you sign up in the Tatum.io Dashboard, you'll get one development (testnet) and one production (mainnet) API key. You can create more API keys as you need them.
- Mainnet stands for "main network". This is where your production app will run.
- Testnet stands for "testing network". In most cases, has exactly the same features and characteristics as the mainnet. The testnet is completely isolated from the mainnet. It doesn't have the same data, and it doesn't guarantee data persistence. On the other hand, all operations on the testnet are free. This makes testnet a great environment for developing apps.
Whatever happens on the Mainnet is final. If you send Bitcoin to the wrong address on the testnet it's fine. But if you do it on the mainnet, you'll lose money!
Good to know
By default, API calls with the auto-generated API key are executed against the mainnet. To make an API call to the testnet, add the type query parameter set to testnet to the endpoint URL.
Example:
https://api-eu1.tatum.io/v3/ledger/account?type=testnet
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