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Google

Google-Modelle werden über eine einheitliche, asynchrone Job-API aufgerufen. Starte einen Task mit POST /api/generate und frage dann GET /api/generate/{taskId} ab, bis er fertig ist. Diese Familie stellt 9 Endpunkte bereit.

Überblick

Jeder Endpunkt teilt sich dieselbe Hülle — nur model und die input-Felder ändern sich. Führe einen beliebigen im Playground des Modell-Markts aus.

Authentifizierung

Erstelle einen API-Schlüssel unter /api-keys und sende ihn als Bearer-Token. Anfragen aus dem Browser bei angemeldeter Sitzung funktionieren auch über das Session-Cookie.

Authorization: Bearer <YOUR_API_KEY>

Task erstellen

POST
POST https://api.lithovas.com/api/generate

Body: { "model": "<slug>", "input": { … } }

Antwort: { "taskId": "<id>", "state": "waiting" }

Ergebnis abfragen

GET
GET https://api.lithovas.com/api/generate/<taskId>

Antwort: { "taskId", "state": "waiting" | "success" | "fail", "resultUrls": [ … ], "creditsConsumed", "failMsg", "balance" }

Asynchron
Ein 200 von „Task erstellen“ bedeutet nur, dass der Task angenommen wurde — nicht, dass er fertig ist. Frage diesen Endpunkt ab, bis state zu success oder fail wird. Fehlgeschlagene Tasks werden nicht berechnet.

Endpunkte

ModellTaskmodel slug
Imagen 4 FastText to Imagegoogle/imagen4-fast
Imagen 4 UltraText to Imagegoogle/imagen4-ultra
Imagen 4Text to Imagegoogle/imagen4
Nano Banana EditImage to Imagegoogle/nano-banana-edit
Nano BananaText to Imagegoogle/nano-banana
ProImage to Imagegoogle/pro-image-to-image
Nano Banana 2Text to Imagegoogle/nanobanana2
Nano Banana 2 LiteText to Imagegoogle/nano-banana-2-lite
Gemini 3.1 Flash TTSText to Speechgoogle/gemini-3-1-flash-tts

Imagen 4 Fast · Text to Image

POSTText to Imagegoogle/imagen4-fast
input-Felder
promptstringerforderlich

Text prompt describing what you want to see (max 5000 characters)

negative_promptstringoptional

Description of what to discourage in generated images (max 5000 chars)

aspect_ratioenum<string>optional

The aspect ratio of the generated image

seedintegeroptional

Random seed for reproducible generation

Beispiel
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "google/imagen4-fast",
  "input": {
    "prompt": "A cinematic red panda surfing through neon rain at dusk.",
    "negative_prompt": "example",
    "aspect_ratio": "16:9",
    "seed": 42
  }
}'

Imagen 4 Ultra · Text to Image

POSTText to Imagegoogle/imagen4-ultra
input-Felder
promptstringerforderlich

Text description of desired image (max 5000 chars)

negative_promptstringoptional

Description of elements to exclude from generation (max 5000 chars)

aspect_ratioenum<string>optional

Output image aspect ratio

seedstringoptional

Random seed for reproducible results (max 500 chars)

Beispiel
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "google/imagen4-ultra",
  "input": {
    "prompt": "A cinematic red panda surfing through neon rain at dusk.",
    "negative_prompt": "example",
    "aspect_ratio": "1:1",
    "seed": 42
  }
}'

Imagen 4 · Text to Image

POSTText to Imagegoogle/imagen4
input-Felder
promptstringerforderlich

The text prompt describing what you want to see (max 5000 characters)

negative_promptstringoptional

A description of what to discourage in the generated images (max 5000 chars)

aspect_ratioenum<string>optional

The aspect ratio of the generated image

seedstringoptional

Random seed for reproducible generation (max 500 characters)

Beispiel
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "google/imagen4",
  "input": {
    "prompt": "A cinematic red panda surfing through neon rain at dusk.",
    "negative_prompt": "example",
    "aspect_ratio": "1:1",
    "seed": 42
  }
}'

Nano Banana Edit · Image to Image

POSTImage to Imagegoogle/nano-banana-edit
input-Felder
promptstringerforderlich

The prompt for image editing (max 5000 characters)

image_urlsarray<string>erforderlich

List of URLs of input images for editing, up to 10 images

output_formatenum<string>optional

Output format for the generated images

aspect_ratioenum<string>optional

Aspect ratio for the generated image

Beispiel
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "google/nano-banana-edit",
  "input": {
    "prompt": "A cinematic red panda surfing through neon rain at dusk.",
    "image_urls": [
      "https://example.com/input.jpg"
    ],
    "output_format": "png",
    "aspect_ratio": "1:1"
  }
}'

Nano Banana · Text to Image

POSTText to Imagegoogle/nano-banana
input-Felder
promptstringerforderlich

The prompt for image generation (max 5000 characters)

output_formatenum<string>optional

Output format for the images

aspect_ratioenum<string>optional

Image aspect ratio configuration

image_sizeenum<string>optional

Deprecated parameter; use aspect_ratio instead

nsfw_checkerbooleanoptional

Disables content filtering when false

Beispiel
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "google/nano-banana",
  "input": {
    "prompt": "A cinematic red panda surfing through neon rain at dusk.",
    "output_format": "png",
    "aspect_ratio": "1:1",
    "image_size": "1:1",
    "nsfw_checker": false
  }
}'

Pro · Image to Image

POSTImage to Imagegoogle/pro-image-to-image
input-Felder
promptstringerforderlich

Text description of image to generate (max 10000 characters)

image_inputarray<string>optional

Input images as file URLs for transformation/reference (max 8 images, 30MB each)

aspect_ratioenum<string>optional

Aspect ratio of generated image

resolutionenum<string>optional

Resolution of generated image

output_formatenum<string>optional

Format of output image

Beispiel
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "google/pro-image-to-image",
  "input": {
    "prompt": "A cinematic red panda surfing through neon rain at dusk.",
    "image_input": [
      "https://example.com/input.jpg"
    ],
    "aspect_ratio": "1:1",
    "resolution": "1K",
    "output_format": "png"
  }
}'

Nano Banana 2 · Text to Image

POSTText to Imagegoogle/nanobanana2
input-Felder
promptstringerforderlich

Text description of image to generate (max 20000 chars)

image_inputarray<string>optional

Input images as file URLs for transformation (max 14, up to 30MB)

aspect_ratiostringoptional

Aspect ratio of generated image

resolutionstringoptional

Output image resolution

output_formatstringoptional

Output image file format

Beispiel
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "google/nanobanana2",
  "input": {
    "prompt": "A cinematic red panda surfing through neon rain at dusk.",
    "image_input": [
      "https://example.com/input.jpg"
    ],
    "aspect_ratio": "auto",
    "resolution": "1K",
    "output_format": "jpg"
  }
}'

Nano Banana 2 Lite · Text to Image

POSTText to Imagegoogle/nano-banana-2-lite
input-Felder
image_urlsarray<string>optional

Input image URL array for visual references; supports up to 10 images

promptstringerforderlich

Text prompt for image generation; max 20000 characters

aspect_ratioenum<string>erforderlich

Output image aspect ratio

Beispiel
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "google/nano-banana-2-lite",
  "input": {
    "image_urls": [
      "https://example.com/input.jpg"
    ],
    "prompt": "A cinematic red panda surfing through neon rain at dusk.",
    "aspect_ratio": "auto"
  }
}'

Gemini 3.1 Flash TTS · Text to Speech

POSTText to Speechgoogle/gemini-3-1-flash-tts
input-Felder
promptstringerforderlich

Text prompt describing the desired output.

Beispiel
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "google/gemini-3-1-flash-tts",
  "input": {
    "prompt": "a red panda surfing"
  }
}'