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Flux-2

Los modelos de Flux-2 se llaman a través de una API de trabajos asíncrona y unificada. Inicia una tarea con POST /api/generate y luego sondea GET /api/generate/{taskId} hasta que termine. Esta familia expone 4 endpoints.

Resumen

Todos los endpoints comparten la misma envoltura — solo cambian model y los campos input. Ejecuta cualquiera desde el playground del Mercado de modelos.

Autenticación

Crea una API key en /api-keys y luego envíala como token Bearer. Las solicitudes desde el navegador con sesión iniciada también funcionan mediante la cookie de sesión.

Authorization: Bearer <YOUR_API_KEY>

Crear tarea

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

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

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

Consultar resultado

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

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

Asíncrono
Un 200 de Crear tarea solo significa que la tarea fue aceptada — no que haya terminado. Sondea este endpoint hasta que state sea success o fail. Las tareas fallidas no se facturan.

Endpoints

ModeloTareamodel slug
ProImage to Imageflux2/pro-image-to-image
ProText to Imageflux2/pro-text-to-image
FlexImage to Imageflux2/flex-image-to-image
FlexText to Imageflux2/flex-text-to-image

Pro · Image to Image

POSTImage to Imageflux2/pro-image-to-image
campos input
input_urlsarray<string>obligatorio

Reference images (1-8), max 10MB each, JPEG/PNG/WebP formats

promptstringobligatorio

Text description (3-5000 characters) guiding the generation

aspect_ratiostringobligatorio

Output image proportions; 'auto' matches first input image

resolutionstringobligatorio

Output image resolution level

nsfw_checkerbooleanopcional

Content filtering toggle; false disables safety filtering

Ejemplo
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "flux2/pro-image-to-image",
  "input": {
    "input_urls": [
      "https://example.com/file"
    ],
    "prompt": "A cinematic red panda surfing through neon rain at dusk.",
    "aspect_ratio": "1:1",
    "resolution": "1K",
    "nsfw_checker": false
  }
}'

Pro · Text to Image

POSTText to Imageflux2/pro-text-to-image
campos input
promptstringobligatorio

Generation prompt, must be between 3 and 5000 characters

aspect_ratioenum<string>obligatorio

Aspect ratio for generated image

resolutionenum<string>obligatorio

Output image resolution

nsfw_checkerbooleanopcional

Disable content filtering when set to false

Ejemplo
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "flux2/pro-text-to-image",
  "input": {
    "prompt": "A cinematic red panda surfing through neon rain at dusk.",
    "aspect_ratio": "1:1",
    "resolution": "1K",
    "nsfw_checker": false
  }
}'

Flex · Image to Image

POSTImage to Imageflux2/flex-image-to-image
campos input
input_urlsarray<string>obligatorio

Input reference images (1-8), file URLs after upload

promptstringobligatorio

Text description of desired modifications; 3-5000 characters

aspect_ratioenum<string>obligatorio

Output image aspect ratio; auto matches first input

resolutionenum<string>obligatorio

Output image resolution

Ejemplo
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "flux2/flex-image-to-image",
  "input": {
    "input_urls": [
      "https://example.com/file"
    ],
    "prompt": "A cinematic red panda surfing through neon rain at dusk.",
    "aspect_ratio": "1:1",
    "resolution": "1K"
  }
}'

Flex · Text to Image

POSTText to Imageflux2/flex-text-to-image
campos input
promptstringobligatorio

Generation prompt, length must be between 3-5000 characters

aspect_ratioenum<string>obligatorio

Aspect ratio of the generated image

resolutionenum<string>obligatorio

Output image resolution

nsfw_checkerbooleanopcional

Disable content filtering when set to false

Ejemplo
cURL
curl -X POST https://api.lithovas.com/api/generate \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "flux2/flex-text-to-image",
  "input": {
    "prompt": "A cinematic red panda surfing through neon rain at dusk.",
    "aspect_ratio": "1:1",
    "resolution": "1K",
    "nsfw_checker": false
  }
}'