---
title: "Create National Insurance summary test data"
method: POST
path: "/national-insurance-test-support/sa/{utr}/annual-summary/{taxYear}"
---

# Create National Insurance summary test data

`POST /national-insurance-test-support/sa/{utr}/annual-summary/{taxYear}`

Lets you create National Insurance contributions test data

## Path parameters

- `utr` string, required
- `taxYear` string, required

## Headers

- `Accept` 'application/vnd.hmrc.1.0+json', required
- `Content-Type` 'application/json', required
- `Authorization` string, required

## Request body

- object — Create National Insurance summary test data request

## Response `201`

Created

- object — Create National Insurance summary test data response
  - `class1` object, required
    - `totalNICableEarnings` number, required — Total Class 1 earnings subject to National Insurance contributions between the Primary Threshold and the Upper Earnings Limit
  - `class2` object, required
    - `totalDue` number, required — Total Class 2 National Insurance contributions due
  - `maxNICsReached` boolean, required — A flag indicating whether the maximum National Insurance contributions has been reached

---

[API](https://skmtc.net/hmrc/apis/national-insurance-des-stub.md) · [All operations](https://skmtc.net/hmrc/apis/national-insurance-des-stub/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/hmrc/national-insurance-des-stub/revisions/9cb6a4f2919d/schema)