Our API reference defaults to the test environment, where no real transactions are processed and no costs are incurred.
Use an API key from your test MultiSafepay account.

https://testapi.multisafepay.com/v1/json

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Live environment

To process real transactions, address the live API using an API key from your live MultiSafepay account.
These transactions incur your agreed processing fee.

https://api.multisafepay.com/v1/json