# Epsilon3 Realtime API

**Canonical:** https://apis.io/apis/epsilon3/epsilon3-realtime-api/  
**Provider:** Epsilon3 — https://apis.io/providers/epsilon3/  
**Base URL:** https://api.epsilon3.io  
**Documentation:** https://docs.epsilon3.io/#realtime-introduction

Epsilon3 Realtime API is one of 3 APIs that [Epsilon3](https://apis.io/providers/epsilon3/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Real-Time, Webhook, Telemetry, and Commanding. The published artifact set on APIs.io includes API documentation.

SocketIO and webhook realtime interface for integrating third-party systems with running Epsilon3 procedures. Four namespaces are published: commanding (/v1/commands/realtime), external data (/v1/external-data/items), notifications (/v1/notifications/realtime) and telemetry (/v1/telemetry/realtime). Webhook deliveries are signed with an Epsilon3-Signature header verified against a per-workspace webhook key. Realtime authentication requires a team-scoped API key.

## Machine-readable artifacts (2)

- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/epsilon3/refs/heads/main/asyncapi/epsilon3-realtime-webhooks.yml
- **Documentation** — https://docs.epsilon3.io/#realtime-introduction

## Other Epsilon3 APIs (2)

- [Epsilon3 REST API](https://apis.io/apis/epsilon3/epsilon3-rest-api/)
- [Epsilon3 MCP Server](https://apis.io/apis/epsilon3/epsilon3-mcp-server/)

## Tags

Real-Time, Webhook, Telemetry, Commanding

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/epsilon3/epsilon3-realtime-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/epsilon3/.