Flux-Pro（v1.1）

POST

/302/submit/flux-pro-v1.1

Created by black forest labs, founded by former Stability.ai members, for image generation, from: https://blackforestlabs.ai/
Average runtime 5-10s

Price：0.1 PTC/call

Request

Header Params

Body Params application/json

Example

{
  "prompt": "Blueberry",
  "image_size": {
    "width": 1024,
    "height": 1024
  },
  "num_inference_steps": 28,
  "guidance_scale": 3.5
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://api.302.ai/302/submit/flux-pro-v1.1' \
--header 'Authorization: Bearer ' \
--header 'Content-Type: application/json' \
--data-raw '{
  "prompt": "Blueberry",
  "image_size": {
    "width": 1024,
    "height": 1024
  },
  "num_inference_steps": 28,
  "guidance_scale": 3.5
}'

Responses

🟢200OK

application/json

Body

Example

{
    "images": [
        {
            "url": "https://file.302.ai/gpt/imgs/20260113/a9129c0067a7c261f53316be0e519e97.jpg",
            "content_type": "image/jpeg",
            "file_size": 0,
            "width": 1024,
            "height": 1024
        }
    ],
    "seed": 3616881142,
    "has_nsfw_concepts": [
        false
    ],
    "debug_latents": null,
    "debug_per_pass_latents": null
}

Modified at 2026-01-13 06:42:57

Flux-Ultra（v1.1）

Flux-Pro