# API references

| API | Sandbox | Production |
| --- | --- | --- |
| [Payment API](https://developers.payout.tech/api/payment.html) | `https://sandbox.payout.one` | `https://app.payout.one` |
| [M2M Withdrawals](https://developers.payout.tech/api/payment.html#create_withdrawal) (part of the Payment API) | `https://api-mtls-sandbox.payout.one` | `https://api-mtls.payout.one` |
| [Intel API](https://developers.payout.tech/api/intel.html) | `https://sandbox.payout.one` | `https://app.payout.one` |
| [OpenBanking PSD2 API](https://developers.payout.tech/api/psd2.html) | `https://sandbox.payout.one` | `https://app.payout.one` |
| [PayoutID API](https://developers.payout.tech/api/payout-id.html) (OAuth2 and identity verification) | `https://id-sa.payout.one` | `https://id.payout.one` |
| [Banklink API](https://developers.payout.tech/api/banklink.html) (including IBAN ownership verification) | `https://wap-sa.payout.one/api` | `https://wap.payout.one/api` |

The sandbox is for testing only.