# Format natif Gemini

Source: https://docs.aicentos.com/fr/api/images/nano-banana/gemini

Language: fr

Images — Nano Banana

`POST /v1beta/models/gemini-3-pro-image-preview:generateContent`

## Authentification

Stockez votre clé API dans `AICENTOS_API_KEY` ; les exemples shell utilisent sa valeur dans l’en-tête `Authorization: Bearer`.

Clé API obtenue dans la console, section « Gestion des jetons »

Emplacement : `header`

## Corps de requête

`application/json`

Définition des types TypeScript

Utiliser le type de corps de requête dans TypeScript

## Corps de réponse

###

`application/json`

```bash
export AICENTOS_API_KEY="sk-your-aicentos-api-key"

curl -X POST "https://aicentos.com/v1beta/models/gemini-3-pro-image-preview:generateContent" \
  -H "Authorization: Bearer $AICENTOS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{    "contents": [      {        "role": "user",        "parts": [          {            "text": "Un capybara en combinaison spatiale flottant dans l’espace"          }        ]      }    ],    "generationConfig": {      "responseModalities": [        "IMAGE"      ]    }  }'
```

```bash
{
  "candidates": [
    {
      "content": {
        "role": "string",
        "parts": [
          {
            "text": "string",
            "inlineData": {
              "mimeType": "string",
              "data": "string"
            }
          }
        ]
      },
      "finishReason": "string",
      "index": 0
    }
  ],
  "usageMetadata": {
    "promptTokenCount": 0,
    "candidatesTokenCount": 0,
    "totalTokenCount": 0
  },
  "modelVersion": "string"
}
```