---
title: "IRS per diem rates for any US location under the high-low method (Revenue Procedure 2019-48): classifies the location as high-cost or low-cost and returns the lodging and meals-and-incidentals (M&IE) amounts. For travel expense reimbursement, accountable plans, and expense management."
method: GET
path: "/getirsperdiemrates"
tags: ["data-enrichment"]
---

# IRS per diem rates for any US location under the high-low method (Revenue Procedure 2019-48): classifies the location as high-cost or low-cost and returns the lodging and meals-and-incidentals (M&IE) amounts. For travel expense reimbursement, accountable plans, and expense management.

`GET /getirsperdiemrates`

## Request

- Base URL: `https://api.interzoid.com`
- URL: `https://api.interzoid.com/getirsperdiemrates`
- Auth: one of:
  - API key in header `x-api-key`
  - none

## Query parameters

- `lookup` string, required
- `language` string

## Response `200`

Successful response

## Other responses

- `400`: Missing or invalid parameters
- `402`: Payment Required. Returns an x402 challenge with payment requirements in the Payment-Required header and JSON body.

## Changes

- **2026-10-29** `545fadba397f`: 1 info
  - added the new optional `query` request parameter `language`

[Operation history](https://skmtc.dev/interzoid/apis/interzoid-data-quality-and-enrichment-apis/changes/getirsperdiemrates/get.md)

---

[API](https://skmtc.dev/interzoid/apis/interzoid-data-quality-and-enrichment-apis.md) - [All operations](https://skmtc.dev/interzoid/apis/interzoid-data-quality-and-enrichment-apis/llms.txt) - [OpenAPI document](https://skmtc.dev/interzoid/apis/interzoid-data-quality-and-enrichment-apis/revisions/545fadba397f?raw)