---
title: "Respond to Upgrade Offer"
method: POST
path: "/iap/upgrade-offer/respond"
tags: ["Upgrade Offers"]
---

# Respond to Upgrade Offer

`POST /iap/upgrade-offer/respond`

Records the user's response to an upgrade offer for analytics purposes.

## Request body

- object
  - `user_id` string, required — The user's external ID.
  - `accepted` boolean — Whether the user accepted the upgrade offer.
  - `variant_id` integer — Experiment variant ID, if the upgrade offer is part of an A/B test.

## Response `200`

Response recorded

- object
  - `status` string

## Other responses

- `401` — Invalid or missing API key.

## Changes

- **2026-03-22** `8c7fa6fb5be3` — 1 info
  - endpoint added
- **2025-12-11** `919eb7a392aa` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/zerosettle/apis/zerosettle-iap-api/changes/iap/upgrade-offer/respond/post.md)

---

[API](https://skmtc.dev/zerosettle/apis/zerosettle-iap-api.md) · [All operations](https://skmtc.dev/zerosettle/apis/zerosettle-iap-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/zerosettle/zerosettle-iap-api/revisions/1a7aa12f3d5e/schema)