# Click Signing API (Protect360)

**Canonical:** https://apis.io/apis/appsflyer/click-signing-api-protect360/  
**Provider:** AppsFlyer — https://apis.io/providers/appsflyer/  
**Base URL:** https://hq1.appsflyer.com/api/p360-click-signing/v2.0  
**Documentation:** https://dev.appsflyer.com/hc/reference/api-reference-overview

Click Signing API (Protect360) is one of 11 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 Fraud Prevention, protect360, click-signing, Security, and Ad Fraud. The published artifact set on APIs.io includes API documentation, an API reference, an OpenAPI specification, and authentication docs.

The Protect360 click-signing API manages the secret keys, configuration, excluded apps, circuit breaker and reporting used to cryptographically sign attribution clicks so AppsFlyer can reject unsigned or forged click traffic as part of its mobile ad-fraud protection suite.

## Machine-readable artifacts (6)

- **Documentation** — https://dev.appsflyer.com/hc/reference/api-reference-overview
- **APIReference** — https://dev.appsflyer.com/hc/reference
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/appsflyer/refs/heads/main/openapi/appsflyer-click-signing-api-openapi.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/appsflyer/refs/heads/main/overlays/appsflyer-click-signing-api-overlay.yaml
- **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

## Other AppsFlyer APIs (10)

- [Pull API (Reporting Data)](https://apis.io/apis/appsflyer/pull-api-reporting-data/)
- [Events APIs (Server-to-Server & Client-to-Server)](https://apis.io/apis/appsflyer/events-apis-server-to-server-client-to-server/)
- [Management APIs](https://apis.io/apis/appsflyer/management-apis/)
- [Audience APIs](https://apis.io/apis/appsflyer/audience-apis/)
- [OneLink API](https://apis.io/apis/appsflyer/onelink-api/)
- [SKAdNetwork (SKAN) APIs](https://apis.io/apis/appsflyer/skadnetwork-skan-apis/)
- [OpenDSR API](https://apis.io/apis/appsflyer/opendsr-api/)
- [ROI360 Net Revenue API](https://apis.io/apis/appsflyer/roi360-net-revenue-api/)
- [Creative External API](https://apis.io/apis/appsflyer/creative-external-api/)
- [AppsFlyer MCP Server](https://apis.io/apis/appsflyer/appsflyer-mcp-server/)

## Tags

Fraud Prevention, protect360, click-signing, Security, Ad Fraud

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/appsflyer/click-signing-api-protect360/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/appsflyer/.