> ## Documentation Index
> Fetch the complete documentation index at: https://docs.chift.eu/llms.txt
> Use this file to discover all available pages before exploring further.

# Tax

### Definition

A tax object represents a tax rate configured in the invoicing software. It defines the percentage and the rules for applying it to invoice lines.

### Purpose

Tax objects ensure each invoice line carries the correct tax rate. The invoicing software uses them to calculate the tax amount on each line.

### Relationships

* Referenced by invoice lines.
* Each tax has a rate and a name.

### Endpoints

| Method | Endpoint                                                                    | Description                     |
| ------ | --------------------------------------------------------------------------- | ------------------------------- |
| GET    | [Retrieve all taxes](/api-reference/endpoints/invoicing/retrieve-all-taxes) | Returns a list of all tax rates |
| GET    | [Retrieve one tax](/api-reference/endpoints/invoicing/retrieve-one-tax)     | Returns a single tax rate by ID |

### See also

* [Invoices](/unified-apis/invoicing/concepts/invoice)
* [Products](/unified-apis/invoicing/concepts/product)