---
title: taxes.saveRate | Doing Work API
description: Add or change a sales tax rate the shop charges in one jurisdiction (owner or office). You enter the rate; Doing Work never looks it up. rate_bps is hundre
url: https://doingwork.work/docs/reference/taxes-saverate/
---

# taxes.saveRate

Add or change a sales tax rate the shop charges in one jurisdiction (owner or office). You enter the rate; Doing Work never looks it up. rate_bps is hundredths of a percent (600 = 6%). Changing a rate applies to new quotes and invoices only. is_default makes it the rate used when a quote or invoice does not name one.

|  |  |
|---|---|
| Who | Agents can call this |
| REST | `POST /v1/tax-rates` |
| MCP tool | `taxes_saveRate` |
| Writes | yes, send an Idempotency-Key |
| Area | [Invoices and payments (unlimited)](https://doingwork.work/docs/reference/#invoices-and-payments-unlimited) |

## When to use it

Add or change a sales tax rate the shop charges in one jurisdiction (owner or office). You enter the rate; Doing Work never looks it up.

## What to tell the owner

Say what you did in plain words and what happens next.

## Input

| Field | Type | Required |
|---|---|---|
| `shop_id` | string (uuid) | yes |
| `tax_rate_id` | string (uuid) | no |
| `name` | string | yes |
| `jurisdiction` | string | yes |
| `rate_bps` | integer | yes |
| `is_default` | boolean | no |

## Example

```http
POST https://doingwork.work/v1/tax-rates
content-type: application/json
Idempotency-Key: 3f1c...

{
  "shop_id": "00000000-0000-4000-8000-000000000000",
  "name": "Ruiz Plumbing",
  "jurisdiction": "US-ID",
  "rate_bps": 1
}
```

## Output

JSON. The response shape isn't published yet; read the fields you need and ignore the rest. Errors are `{code, message, status}`.

## Errors

| Code | Status | What to do |
|---|---|---|
| `invalid_input`, `invalid_token`, `rate_limited` |  | Can happen on any call. See [errors](https://doingwork.work/docs/errors/). |