Flux-2-Flex (generates images)

POST

/flux/v1/flux-2-flex

Official documentation: https://api.bfl.ml/scalar#tag/tasks/POST/v1/flux-pro
Please refer to the official documentation; all parameters are consistent with the official documentation.
Official pricing: https://docs.bfl.ml/pricing/

Steps for using the interface:
1.Use the video generation interface (/flux/v1/flux-2-flex), fill in the corresponding parameters, and obtain the task ID.
2.Use the query interface (/flux/v1/get_result) and fill in the task ID to obtain the result.

Price: 0.06 PTC/megapixel (input + output pixels)

Request

Header Params

Body Params application/json

Examples

Example 1Flux-2

{
  "prompt": "ein fantastisches bild",
  "width": 1024,
  "height": 768,
  "steps": 40,
  "prompt_upsampling": false,
  "seed": 42,
  "guidance": 2.5,
  "safety_tolerance": 2,
  "interval": 2,
  "output_format": "jpeg"
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

cURL

Example 1Flux-2

curl --location --request POST 'https://api.302.ai/flux/v1/flux-2-flex' \
--header 'Authorization: Bearer ' \
--header 'Content-Type: application/json' \
--data-raw '{
  "prompt": "ein fantastisches bild",
  "width": 1024,
  "height": 768,
  "steps": 40,
  "prompt_upsampling": false,
  "seed": 42,
  "guidance": 2.5,
  "safety_tolerance": 2,
  "interval": 2,
  "output_format": "jpeg"
}'

Responses

🟢200OK

application/json

Body

Example

{
    "id": "string",
    "polling_url": "string",
    "cost": 0,
    "input_mp": 0,
    "output_mp": 0
}

Modified at 2025-11-28 06:50:21

Result

Flux-2-Flex (Query Task)