---
title: "Combined state + local rate lookup by zip code"
method: GET
path: "/api/v1/rates/local"
tags: ["Rates"]
---

# Combined state + local rate lookup by zip code

`GET /api/v1/rates/local`

## Request

- Base URL: `https://www.agenttax.io`
- URL: `https://www.agenttax.io/api/v1/rates/local`
- Auth: none declared

Returns the combined sales tax rate for a US zip code, broken down into state + local components, with self-administered locality flags (e.g. CO home-rule cities). Public; no auth required.

## Query parameters

- `zip` string, required: 5-digit US zip code.

## Response `200`

Combined rate breakdown.

## Other responses

- `400`: Missing or malformed zip param.
- `404`: Zip not in the local rate table.

---

[API](https://skmtc.dev/agenttax/apis/agenttax-api.md) · [All operations](https://skmtc.dev/agenttax/apis/agenttax-api/llms.txt) · [OpenAPI document](https://skmtc.dev/agenttax/apis/agenttax-api/revisions/c4af8147c0cb?raw)