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

# release_batches()

> Télécharger les métadonnées des lots de publication

```python theme={null}
client.release_batches() -> pd.DataFrame
```

Métadonnées des lots de publication, comprenant les noms de lots, leurs descriptions et leurs dates de publication.

## Renvoie

`pd.DataFrame` contenant les données du lot de publication.

## Exemple

```python theme={null}
from jmail import JmailClient

client = JmailClient()
batches = client.release_batches()

# Afficher tous les lots triés par date de sortie
print(batches.sort_values("released_at")[["name", "description", "released_at"]])
```

## Colonnes

| Colonne | Type | Description |
| - | - | - |
| `id` | int | Identifiant du lot |
| `name` | string | Nom du lot (par ex. `VOL00009`, `DataSet11`) |
| `description` | string | Description du lot |
| `released_at` | timestamp | Date de publication publique |

## URL directes

```
https://data.jmail.world/v1/release_batches.parquet
https://data.jmail.world/v1/release_batches.ndjson.gz
```


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