> For the complete documentation index, see [llms.txt](https://help.lob.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.lob.com/account-management.md).

# Account Management

- [Signing into Lob](https://help.lob.com/account-management/signing-into-lob.md)
- [API keys](https://help.lob.com/account-management/api-keys.md)
- [Account settings](https://help.lob.com/account-management/account-settings.md)
- [Account-level data logs](https://help.lob.com/account-management/account-settings/account-level-data-logs.md)
- [User settings](https://help.lob.com/account-management/user-settings.md)
- [Billing](https://help.lob.com/account-management/billing.md)
- [Lob Credits](https://help.lob.com/account-management/billing/lob-credits.md)
- [Lob Payment Methods](https://help.lob.com/account-management/billing/lob-payment-methods.md)
- [Sales Tax FAQ](https://help.lob.com/account-management/billing/sales-tax-faq.md)
- [Applicable sales tax by state](https://help.lob.com/account-management/billing/sales-tax-faq/applicable-sales-tax-by-state.md)
- [​Subscriptions and Services](https://help.lob.com/account-management/billing/sales-tax-faq/applicable-sales-tax-by-state/subscriptions-and-services.md)
- [Delivery Location for Operational Mail](https://help.lob.com/account-management/billing/sales-tax-faq/applicable-sales-tax-by-state/delivery-location-for-operational-mail.md)
- [Customer Billing Address for Operational Mail](https://help.lob.com/account-management/billing/sales-tax-faq/applicable-sales-tax-by-state/customer-billing-address-for-operational-mail.md)
- [Delivery Location for Marketing Mail](https://help.lob.com/account-management/billing/sales-tax-faq/applicable-sales-tax-by-state/delivery-location-for-marketing-mail.md)
- [Postage Exemption](https://help.lob.com/account-management/billing/sales-tax-faq/applicable-sales-tax-by-state/postage-exemption.md)
- [Professional Services](https://help.lob.com/account-management/billing/sales-tax-faq/applicable-sales-tax-by-state/professional-services.md)
- [Tax exemption guide](https://help.lob.com/account-management/billing/sales-tax-faq/tax-exemption-guide.md): If you believe you may be entitled to an exemption from state or local sales and use taxes, follow the instructions below.