> ## Documentation Index
> Fetch the complete documentation index at: https://developers.podero.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Data Reference

> Data specifications and formats for Day-Ahead Trading

# Data Reference

Technical specifications for Day-Ahead Trading API data.

## Quick Reference

| Metric                    | Value                                            |
| ------------------------- | ------------------------------------------------ |
| **Time Resolution**       | 15 minutes                                       |
| **Intervals per Day**     | 96 (no gaps allowed)                             |
| **Price Unit**            | EUR/MWh                                          |
| **Energy Unit**           | Wh per 15 min                                    |
| **Timestamp Format**      | ISO 8601 UTC (`YYYY-MM-DDTHH:MM:SSZ`)            |
| **Timestamp Alignment**   | :00, :15, :30, :45                               |
| **Confirmation Deadline** | 14:30 CET (intraday) or 23:30 CET (non-intraday) |

***

## Price Forecast Data

| Field           | Type   | Unit              | Constraints                      |
| --------------- | ------ | ----------------- | -------------------------------- |
| `date`          | String | ISO 8601 Date     | Future dates only (`YYYY-MM-DD`) |
| `timestamp`     | String | ISO 8601 DateTime | UTC, aligned to :00/:15/:30/:45  |
| `price_eur_mwh` | Float  | EUR/MWh           | Positive or negative accepted    |

**Validation:**

* Exactly 96 intervals, no gaps
* Chronological order
* ISO 8601 UTC format with `Z` suffix

***

## Load Curve Data

| Field        | Type    | Unit              | Description            |
| ------------ | ------- | ----------------- | ---------------------- |
| `trade_id`   | String  | UUID              | Store for confirmation |
| `date`       | String  | ISO 8601 Date     | Delivery date          |
| `expiration` | String  | ISO 8601 DateTime | Confirmation deadline  |
| `timestamp`  | String  | ISO 8601 DateTime | 15-min interval start  |
| `energy_wh`  | Integer | Wh                | Energy per interval    |

**Curves:**

* **Optimized:** Volume to purchase (with Podero steering)
* **Unoptimized:** Baseline volume (no steering)
* **Delta:** `optimized - unoptimized` (positive = buy more, negative = buy less)

***

## Trade Confirmation Data

| Field      | Type          | Required | Description                                        |
| ---------- | ------------- | -------- | -------------------------------------------------- |
| `trade_id` | String (UUID) | ✅        | From load curve response                           |
| `accepted` | Boolean       | ✅        | `true` = activate optimization, `false` = baseline |

<Warning>
  **Submit with 30-minute buffer:**

  * **Intraday traders:** By 14:30 CET (before intraday trading at 15:00)
  * **Non-intraday traders:** By 23:30 CET (before optimization starts at midnight)
</Warning>

***

## Unit Conversions

| From    | To      | Formula       |
| ------- | ------- | ------------- |
| Wh      | MWh     | `÷ 1,000,000` |
| MWh     | Wh      | `× 1,000,000` |
| EUR/MWh | EUR/kWh | `÷ 1,000`     |
| EUR/kWh | EUR/MWh | `× 1,000`     |

***

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  <Card title="Integration Guide" icon="code" href="/deep-dives/day-ahead-trading/integration">
    API integration instructions
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