# Interface Specification

## 1. Introduction

### 1.1. Purpose

### 1.2. Scope

### 1.3. Definitions, Acronyms, and Abbreviations

## 2. Interface Overview

### 2.1. System Context

### 2.2. Interface Diagram

## 3. Functional Description

### 3.1 Health Check JSON Schema

{
  "service_status": "RUNNING | DEGRADED | DOWN",
  "grpc_connection_status": "CONNECTED | DISCONNECTED",
  "last_successful_collection_ts": "2025-11-17T10:52:10Z",
  "http_collection_error_count": 15,
  "endpoints_success_last_30s": 998,
  "endpoints_failed_last_30s": 2
}

### 3.1. Major Functions

## 4. Performance Requirements

## 5. Detailed Interface Specification

### 5.1. Data Model

### 5.2. Communication Protocol

### 5.3. Endpoint / Method Definitions

## 6. Error Handling

## 7. Security Considerations

## 8. Versioning