---
title: "Tracking Opens"
method: POST
path: "/v1/metrics/opens"
---

# Tracking Opens

`POST /v1/metrics/opens`

This endpoint can be used with Client or Server credentials and allows you to track a customer opening the push notification for channel metrics in mission control

## Request body

- object
  - `customerId` string, required — The Optimove CustomerID to match the metric to a customer profile
  - `messageId` integer, required — The messageId from the FCM/APNS payload identifying the Optimove engagement
  - `happenedAt` string, date — Optional time that the event occurred, should be provided in RFC3339 format

## Response `202`

202

## Other responses

- `401` — 401
- `422` — 422

---

[API](https://skmtc.net/optimove/apis/optimove-api.md) · [All operations](https://skmtc.net/optimove/apis/optimove-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/optimove/optimove-api/versions/fc55c5b1bec5/schema)