# Singular Server-to-Server (S2S) API

**Canonical:** https://apis.io/apis/singular/singular-server-to-server-s2s-api/  
**Provider:** Singular — https://apis.io/providers/singular/  
**Base URL:** https://s2s.singular.net  
**Documentation:** https://support.singular.net/hc/en-us/articles/17499952586779-PC-Console-API-Endpoint-Reference

Singular Server-to-Server (S2S) API is one of 11 APIs that [Singular](https://apis.io/providers/singular/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Server-to-Server, Event, and Attribution. The published artifact set on APIs.io includes API documentation, an API reference, and authentication docs.

Server-side ingestion endpoints for reporting sessions/launches and in-app events without a client SDK — used for PC, console, CTV, web, and server-authoritative mobile integrations. Session notification at /api/v1/launch and event notification at /api/v2/evt. Responses always return HTTP 200; success is signalled by a body status field.

## Machine-readable artifacts (4)

- **Documentation** — https://support.singular.net/hc/en-us/articles/31394799175963-Server-to-Server-SESSION-Endpoint-API-Reference
- **APIReference** — https://support.singular.net/hc/en-us/articles/31496864868635-Server-to-Server-EVENT-Endpoint-API-Reference
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/singular/refs/heads/main/errors/singular-error-codes.yml
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/singular/refs/heads/main/authentication/singular-authentication.yml

## Other Singular APIs (10)

- [Singular Reporting API](https://apis.io/apis/singular/singular-reporting-api/)
- [Singular SKAdNetwork API](https://apis.io/apis/singular/singular-skadnetwork-api/)
- [Singular Ad Monetization API](https://apis.io/apis/singular/singular-ad-monetization-api/)
- [Singular Links (Tracking Links) API](https://apis.io/apis/singular/singular-links-tracking-links-api/)
- [Singular Custom Fraud Rules API](https://apis.io/apis/singular/singular-custom-fraud-rules-api/)
- [Singular Publisher Blacklist API](https://apis.io/apis/singular/singular-publisher-blacklist-api/)
- [Singular Partner Configuration Changes Log API](https://apis.io/apis/singular/singular-partner-configuration-changes-log-api/)
- [Singular OpenDSR (GDPR) API](https://apis.io/apis/singular/singular-opendsr-gdpr-api/)
- [Singular Testing Console API](https://apis.io/apis/singular/singular-testing-console-api/)
- [Singular MCP](https://apis.io/apis/singular/singular-mcp/)

## Tags

Server-to-Server, Event, Attribution

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/singular/singular-server-to-server-s2s-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/singular/.