Multi Image Kontext Max Serverless API

FLUX.1 Kontext [max] creates stunning, photorealistic images from text prompts and input images seamlessly.

~18.16s
POST /v2/multi-image-kontext-max · submit + poll
 1# pip install "segmind>=1.1.0"
 2# export SEGMIND_API_KEY="YOUR_API_KEY"
 3import segmind
 4
 5# Async (v2): submit to the queue and block until COMPLETED.
 6# run() returns the final result dict (600s deadline, 1.0s poll by default).
 7result = segmind.run(
 8    "multi-image-kontext-max",
 9    seed=42,
10    prompt="put the green dress on the woman while maintaining the pose of the woman as it is",
11    aspect_ratio="1:1",
12    input_image_1="https://segmind-resources.s3.amazonaws.com/output/9cb479d3-5c5f-4d5d-a782-972acbc42598-c1.jpg",
13    input_image_2="https://segmind-resources.s3.amazonaws.com/output/79feee7b-d09f-4bde-bec3-c8e8a8703f04-d2.png",
14    output_format="jpg",
15    safety_tolerance=1,
16)
17print(result["status"])                      # COMPLETED
18print(result.get("output"))                  # model output (e.g. media URL)
19print(result["metrics"]["inference_time"])   # server compute seconds
20
21# --- Or submit + poll manually (track request_id, control the cadence) ---
22from segmind import SegmindClient, InferenceFailed, InferenceTimeout
23
24client = SegmindClient()                      # reads SEGMIND_API_KEY
25payload = {
26    "seed": 42,
27    "prompt": "put the green dress on the woman while maintaining the pose of the woman as it is",
28    "aspect_ratio": "1:1",
29    "input_image_1": "https://segmind-resources.s3.amazonaws.com/output/9cb479d3-5c5f-4d5d-a782-972acbc42598-c1.jpg",
30    "input_image_2": "https://segmind-resources.s3.amazonaws.com/output/79feee7b-d09f-4bde-bec3-c8e8a8703f04-d2.png",
31    "output_format": "jpg",
32    "safety_tolerance": 1,
33}
34job = client.submit_async("multi-image-kontext-max", **payload)
35print(job.request_id)                         # available immediately
36try:
37    result = job.wait(timeout=600, interval=1.0)
38except InferenceTimeout as e:
39    print("still running:", e.request_id)
40except InferenceFailed as e:
41    print("failed:", e.detail)

API Endpoint

POSThttps://api.segmind.com/v1/multi-image-kontext-max

Parameters

input_image_1required
string (uri)

First image for transformation

Default: "https://segmind-resources.s3.amazonaws.com/output/9cb479d3-5c5f-4d5d-a782-972acbc42598-c1.jpg"
input_image_2required
string (uri)

Second image for transformation.

Default: "https://segmind-resources.s3.amazonaws.com/output/79feee7b-d09f-4bde-bec3-c8e8a8703f04-d2.png"
promptrequired
string

Describes the prompt for image transformation.

Default: "put the green dress on the woman while maintaining the pose of the woman as it is"
aspect_ratiooptional
string

Sets output aspect ratio. Use '16:9' for wide images.

Default: "16:9"
Allowed values (14 total):
"match_input_image""1:1""16:9""9:16""4:3""3:4""3:2""2:3""4:5""5:4"+4 more
output_formatoptional
string

Sets output forma.

Default: "jpg"
Allowed values :
"jpg""png"
safety_toleranceoptional
integer

Controls content safety level. Use 1 for moderate strictness.

Default: 1Range: 0 - 2
seedoptional
integer

Sets seed for reproducibility.

Default: 42

Response Type

Returns: Image

Asynchronous requests (v2)

Use Async for video, long-running (>~60s), or high-concurrency workloads; Sync is simplest for fast image & LLM calls. Async submits a request and you poll it to completion.

  1. 1
    POST /v2/multi-image-kontext-max

    Submitreturns request_id, status_url, response_url

  2. 2
    GET /v2/requests/{id}/status

    Polluntil COMPLETED or FAILED

  3. 3
    GET /v2/requests/{id}

    Resultfinal response body

Status states

QUEUEDAccepted, waiting for a worker
PROCESSINGRunning on a worker
COMPLETEDDone — result body is ready
FAILEDErrored (incl. content/RAI blocks)
  • A FAILED request is served as HTTP 422 — the body still carries the error detail.
  • An unknown or expired request_id returns HTTP 404.
  • Results are retained for 1 hour, then expire.
  • Content / RAI blocks surface as FAILED, not a separate state.
  • Track completion by polling the status endpoint.

Common Error Codes

The API returns standard HTTP status codes. Detailed error messages are provided in the response body.

400

Bad Request

Invalid parameters or request format

401

Unauthorized

Missing or invalid API key

403

Forbidden

Insufficient permissions

404

Not Found

Model or endpoint not found

406

Insufficient Credits

Not enough credits to process request

429

Rate Limited

Too many requests

500

Server Error

Internal server error

502

Bad Gateway

Service temporarily unavailable

504

Timeout

Request timed out