# EN API

## EN API

- [­­­­­­­­DecisionTelecom API Overview](https://en-api.decisiontele.com/decisiontelecom-api-overview.md)
- [SMS API](https://en-api.decisiontele.com/sms-api.md)
- [VIBER API](https://en-api.decisiontele.com/viber-api.md)
- [WhatsApp Business API](https://en-api.decisiontele.com/whatsapp-business-api.md)
- [RCS API](https://en-api.decisiontele.com/rcs-api.md)
- [Verify API](https://en-api.decisiontele.com/verify-api.md)
- [Flash Call Verify API](https://en-api.decisiontele.com/flash-call-verify-api.md)
- [VIBER + SMS API](https://en-api.decisiontele.com/viber-+-sms-api.md)
- [HLR API](https://en-api.decisiontele.com/hlr-api.md)
- [Voice API](https://en-api.decisiontele.com/voice-api.md)
- [Viber Bot API](https://en-api.decisiontele.com/viber-bot-api.md)
- [Viber templates API (beta)](https://en-api.decisiontele.com/viber-templates-api-beta.md)
- [eSIM API](https://en-api.decisiontele.com/esim-api.md): Provision, activate, and manage eSIMs and data packages using the DecisionTelecom eSIM API.
- [Authentication](https://en-api.decisiontele.com/esim-api/authentication.md)
- [Packages](https://en-api.decisiontele.com/esim-api/packages.md)
- [List Packages](https://en-api.decisiontele.com/esim-api/packages/list-packages.md)
- [eSIMs](https://en-api.decisiontele.com/esim-api/esims.md)
- [List eSIMs](https://en-api.decisiontele.com/esim-api/esims/list-esims.md)
- [Get eSIMs with Assigned Packages](https://en-api.decisiontele.com/esim-api/esims/get-esims-with-assigned-packages.md)
- [Get eSIM ID](https://en-api.decisiontele.com/esim-api/esims/get-esim-id.md)
- [Assign Package](https://en-api.decisiontele.com/esim-api/esims/assign-package.md)
- [Release an eSIM](https://en-api.decisiontele.com/esim-api/esims/release-an-esim.md): Unassign an eSIM from a client and make it available for future allocation.
- [Provision an eSIM](https://en-api.decisiontele.com/esim-api/esims/provision-an-esim.md): Step-by-step guide to create a client, allocate an eSIM, assign a data package, and retrieve the activation QR code.
- [Top Up an eSIM](https://en-api.decisiontele.com/esim-api/esims/top-up-an-esim.md)
- [Remove a Package](https://en-api.decisiontele.com/esim-api/esims/remove-a-package.md): Remove a data package from an existing eSIM without deleting the eSIM itself.
- [Usage](https://en-api.decisiontele.com/esim-api/usage.md)
- [Get Package Usage](https://en-api.decisiontele.com/esim-api/usage/get-package-usage.md)
- [Usage Fields](https://en-api.decisiontele.com/esim-api/usage/usage-fields.md)
- [Remaining Data](https://en-api.decisiontele.com/esim-api/usage/remaining-data.md)
- [Multiple Packages on One eSIM](https://en-api.decisiontele.com/esim-api/usage/multiple-packages-on-one-esim.md)
- [Statuses](https://en-api.decisiontele.com/esim-api/statuses.md)
- [Integration Flow](https://en-api.decisiontele.com/esim-api/integration-flow.md)