---
title: "Create Question Instance (via tax-engine)"
method: POST
path: "/internal/api/clients/{client_id}/questionnaire/responses/instances"
tags: ["CLIENT", "Questionnaire"]
---

# Create Question Instance (via tax-engine)

`POST /internal/api/clients/{client_id}/questionnaire/responses/instances`

## Request

- Base URL: `https://api.signalshq.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api.signalshq.io/internal/api/clients/{client_id}/questionnaire/responses/instances`
- Auth: OAuth 2
  - Password
  - Token URL: `/auth/login`

Create a new instance for a repeatable question group by proxying to tax-engine. Use this to create instances #2, #3, etc. Instance #1 is created automatically when the repeatable group question is answered positively.

## Path parameters

- `client_id` string, uuid, required: Client ID

## Query parameters

- `tax_year` integer, required: Tax year (1900-2100)

## Request body

- object

## Response `201`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/signalshq/apis/signals-api.md) - [All operations](https://skmtc.dev/signalshq/apis/signals-api/llms.txt) - [OpenAPI document](https://skmtc.dev/signalshq/apis/signals-api/revisions/2c22af3b5576?raw)