---
title: "Create user properties"
method: POST
path: "/users/{id}/properties"
tags: ["User Properties"]
---

# Create user properties

`POST /users/{id}/properties`

Sets properties for a user. Supports partial success - returns both saved properties and errors.

**Rate limit:** Properties endpoints are rate-limited per project (default 30 requests
per second; configurable on the server). Exceeding the limit returns 429.

## Path parameters

- `id` string, required

## Request body

- UserProperty[]
  - `key` string — Property identifier. Qonversion-defined keys start with `_q_` prefix.
  - `value` string — Property value

## Response `200`

Properties processed (partial success possible)

- object
  - `savedProperties` UserProperty[]
    - `key` string — Property identifier. Qonversion-defined keys start with `_q_` prefix.
    - `value` string — Property value
  - `propertyErrors` object[]
    - `key` string
    - `error` string

## Other responses

- `400` — Validation error

---

[API](https://skmtc.net/qonversion/apis/qonversion-rest-api-v4.md) · [All operations](https://skmtc.net/qonversion/apis/qonversion-rest-api-v4/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/qonversion/qonversion-rest-api-v4/revisions/e3f72cf8951c/schema)