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

# Tracking Opens

`POST /v1/metrics/opens`

## Request

- Base URL: `https://optimobile-push-service-api-region.optimove.net`
- URL: `https://optimobile-push-service-api-region.optimove.net/v1/metrics/opens`
- Auth: HTTP basic

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.dev/optimove/apis/optimobile-optiweb-api.md) - [All operations](https://skmtc.dev/optimove/apis/optimobile-optiweb-api/llms.txt) - [OpenAPI document](https://skmtc.dev/optimove/apis/optimobile-optiweb-api/revisions/d2df02208951?raw)