---
name: cdr-usage-analytics-dashboard
title: "CDR Usage Analytics Dashboard"
description: "Pull Call Detail Records, build usage analytics with cost breakdowns, peak-hour analysis, and AI-powered insights."
language: python
framework: flask
telnyx_products: [AI Inference]
---

# CDR Usage Analytics Dashboard

Pull Call Detail Records, build usage analytics with cost breakdowns, peak-hour analysis, and AI-powered insights.

## Telnyx API Endpoints Used

- **AI Inference**: `POST /v2/ai/chat/completions` — [API reference](https://developers.telnyx.com/api/inference/chat-completions)

## Architecture

```
  API Request
        │
        ▼
  ┌──────────────────┐
  │ Your App          │
  └────────┬─────────┘
           │
           ├──► Telnyx AI Inference
           ├──► Telnyx CDR / Billing
           │
           ├──► Summarization
           │
           ▼
     JSON response
```

## Environment Variables

Copy `.env.example` to `.env` and fill in:

| Variable | Type | Example | Required | Description | Where to get it |
|----------|------|---------|----------|-------------|-----------------|
| `TELNYX_API_KEY` | `string` | `KEY0123456789ABCDEF` | **yes** | Telnyx API v2 key | [Portal](https://portal.telnyx.com/api-keys) |
| `AI_MODEL` | `string` | `moonshotai/Kimi-K2.6` | no | Telnyx AI Inference model name | [Portal](https://developers.telnyx.com/docs/inference/models) |
| `PORT` | `integer` | `5000` | no | HTTP server port | — |

## Setup

```bash
git clone https://github.com/team-telnyx/telnyx-code-examples.git
cd telnyx-code-examples/cdr-usage-analytics-dashboard-python
cp .env.example .env    # ← fill in your credentials
pip install -r requirements.txt
python app.py           # starts on http://localhost:5000
```

## API Reference

### `GET /cdrs`

Returns cdrs

```bash
curl http://localhost:5000/cdrs
```

**Response:**

```json
{
  "items": [
    {
      "id": "item-001",
      "status": "active",
      "created_at": "2026-07-15T14:30:00Z"
    }
  ]
}
```

### `GET /analytics/summary`

Returns summary

```bash
curl http://localhost:5000/analytics/summary
```

**Response:**

```json
{
  "period": "2026-07-15",
  "total_calls": 1247,
  "avg_duration_seconds": 186,
  "inbound": 823,
  "outbound": 424,
  "peak_hour": "14:00",
  "cost_usd": 42.18
}
```

### `GET /analytics/peak-hours`

Returns peak-hours

```bash
curl http://localhost:5000/analytics/peak-hours
```

**Response:**

```json
{
  "period": "2026-07-15",
  "total_calls": 1247,
  "avg_duration_seconds": 186,
  "inbound": 823,
  "outbound": 424,
  "peak_hour": "14:00",
  "cost_usd": 42.18
}
```

### `GET /analytics/top-routes`

Returns top-routes

```bash
curl http://localhost:5000/analytics/top-routes
```

**Response:**

```json
{
  "period": "2026-07-15",
  "total_calls": 1247,
  "avg_duration_seconds": 186,
  "inbound": 823,
  "outbound": 424,
  "peak_hour": "14:00",
  "cost_usd": 42.18
}
```

### `GET /analytics/ai-insights`

Returns ai-insights

```bash
curl http://localhost:5000/analytics/ai-insights
```

**Response:**

```json
{
  "period": "2026-07-15",
  "total_calls": 1247,
  "avg_duration_seconds": 186,
  "inbound": 823,
  "outbound": 424,
  "peak_hour": "14:00",
  "cost_usd": 42.18
}
```

### `GET /analytics/daily`

Returns daily

```bash
curl http://localhost:5000/analytics/daily
```

**Response:**

```json
{
  "period": "2026-07-15",
  "total_calls": 1247,
  "avg_duration_seconds": 186,
  "inbound": 823,
  "outbound": 424,
  "peak_hour": "14:00",
  "cost_usd": 42.18
}
```

### `GET /health`

Returns health

```bash
curl http://localhost:5000/health
```

**Response:**

```json
{
  "status": "ok",
  "uptime_seconds": 3842,
  "active_sessions": 2,
  "version": "1.0.0"
}
```

## Troubleshooting

| Issue | Cause | Fix |
|-------|-------|-----|
| `401 Unauthorized` | Invalid or missing API key | Verify `TELNYX_API_KEY` in `.env` matches your key in the [Portal](https://portal.telnyx.com/api-keys) |
| Webhook not received | Local server not publicly reachable | Expose it with a tunnel (e.g. ngrok) and set the webhook URL in the [Telnyx Portal](https://portal.telnyx.com) |
| `422 Unprocessable Entity` | Missing or malformed request fields | Check the request body against the API Reference above |

## Related Examples

- [Abandoned Cart Recovery (Python)](https://raw.githubusercontent.com/team-telnyx/telnyx-code-examples/main/abandoned-cart-recovery-python/README.md)
- [Accounting Tax Season Line (Python)](https://raw.githubusercontent.com/team-telnyx/telnyx-code-examples/main/accounting-tax-season-line-python/README.md)
- [After Hours Nurse Triage (Python)](https://raw.githubusercontent.com/team-telnyx/telnyx-code-examples/main/after-hours-nurse-triage-python/README.md)
- [AI Appointment Booking SMS Flow (Python)](https://raw.githubusercontent.com/team-telnyx/telnyx-code-examples/main/ai-appointment-booking-sms-flow-python/README.md)
- [AI Appointment Reminder SMS Voice (Python)](https://raw.githubusercontent.com/team-telnyx/telnyx-code-examples/main/ai-appointment-reminder-sms-voice-python/README.md)

## Resources

- [AI Inference Guide](https://developers.telnyx.com/docs/inference)
- [Telnyx Developer Docs](https://developers.telnyx.com)
- [Telnyx Portal](https://portal.telnyx.com)

## Why Telnyx

Telnyx is an **AI Communications Infrastructure** platform — voice, messaging, SIP, AI, and IoT on one private, global network.