# Web Cloud › Telephony › Billing Accounts API

> Part of the OVHcloud developer hub. Index of every page and section: https://developers.eu.ovhcloud.com/llms.txt
> The Web Cloud product's sections: https://developers.eu.ovhcloud.com/reference/web-cloud/llms.txt
> Everything in one file: https://developers.eu.ovhcloud.com/llms-full.txt

> 122 operations of the OVHcloud API, in the sections below.

Page: https://developers.eu.ovhcloud.com/reference/web-cloud/telephony/billing-accounts/

- [Account Settings](https://developers.eu.ovhcloud.com/reference/web-cloud/telephony/billing-accounts/account-settings.md) — 32 operations
- [Billing & Usage History](https://developers.eu.ovhcloud.com/reference/web-cloud/telephony/billing-accounts/billing-usage-history.md) — 18 operations
- [All Services](https://developers.eu.ovhcloud.com/reference/web-cloud/telephony/billing-accounts/all-services.md) — 32 operations
- [Number Porting](https://developers.eu.ovhcloud.com/reference/web-cloud/telephony/billing-accounts/number-porting.md) — 16 operations
- [Address Book](https://developers.eu.ovhcloud.com/reference/web-cloud/telephony/billing-accounts/address-book.md) — 12 operations
- [Speed Dial](https://developers.eu.ovhcloud.com/reference/web-cloud/telephony/billing-accounts/speed-dial.md) — 5 operations
- [Orders](https://developers.eu.ovhcloud.com/reference/web-cloud/telephony/billing-accounts/orders.md) — 7 operations