# AppsFlyer Measure first app opens API

**Canonical:** https://apis.io/apis/appsflyer/appsflyer-measure-first-app-opens-api/  
**Provider:** AppsFlyer — https://apis.io/providers/appsflyer/  
**Base URL:** https://hq1.appsflyer.com/api/  
**Documentation:** https://dev.appsflyer.com/hc/reference/api-reference-overview

AppsFlyer Measure first app opens API is one of 72 APIs that [AppsFlyer](https://apis.io/providers/appsflyer/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Measure first app opens. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and authentication docs.

The Measure first app opens API from AppsFlyer — 1 operation(s) for measure first app opens.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| POST | `/first_open/app/{platform}/{app-id}` | Measure first app opens |

## Machine-readable artifacts (7)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/appsflyer/refs/heads/main/openapi/appsflyer-measure-first-app-opens-api-openapi.yml
- **Documentation** — https://dev.appsflyer.com/hc/reference/api-reference-overview
- **APIReference** — https://dev.appsflyer.com/hc/reference
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/appsflyer/refs/heads/main/authentication/appsflyer-authentication.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/appsflyer/refs/heads/main/conventions/appsflyer-conventions.yml
- **Sandbox** — https://raw.githubusercontent.com/api-evangelist/appsflyer/refs/heads/main/sandbox/appsflyer-sandbox.yml
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/appsflyer/refs/heads/main/asyncapi/appsflyer-push-api-webhooks.yml

## Other AppsFlyer APIs (12)

- [Creative External API](https://apis.io/apis/appsflyer/creative-external-api/)
- [AppsFlyer MCP Server](https://apis.io/apis/appsflyer/appsflyer-mcp-server/)
- [AppsFlyer Account connections API](https://apis.io/apis/appsflyer/appsflyer-account-connections-api/)
- [AppsFlyer Account Integration API](https://apis.io/apis/appsflyer/appsflyer-account-integration-api/)
- [AppsFlyer Account splits API](https://apis.io/apis/appsflyer/appsflyer-account-splits-api/)
- [AppsFlyer Active audiences API](https://apis.io/apis/appsflyer/appsflyer-active-audiences-api/)
- [AppsFlyer Active integrations API](https://apis.io/apis/appsflyer/appsflyer-active-integrations-api/)
- [AppsFlyer Ad Revenue raw data API](https://apis.io/apis/appsflyer/appsflyer-ad-revenue-raw-data-api/)
- [AppsFlyer Add excluded app API](https://apis.io/apis/appsflyer/appsflyer-add-excluded-app-api/)
- [AppsFlyer Additional Identifiers Handling API](https://apis.io/apis/appsflyer/appsflyer-additional-identifiers-handling-api/)
- [AppsFlyer Aggregate (user acquisition and retargeting) API](https://apis.io/apis/appsflyer/appsflyer-aggregate-user-acquisition-and-retargeting-api/)
- [AppsFlyer Allowed devices API](https://apis.io/apis/appsflyer/appsflyer-allowed-devices-api/)

## Tags

Measure first app opens

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/appsflyer/appsflyer-measure-first-app-opens-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/appsflyer/.