Flux 3 First Last Frame to Video

Turns a photo into a video

Liveby Black Forest Labs

FLUX 3 is Black Forest Labs' frontier video model.

This endpoint generates the video between a defined start and end frame, interpolating a smooth, coherent transition from the first image to the last.

Ask your agent

Say it in your own words. Your agent picks this tool, fills in the details and brings back the answer.

Turn this product photo into a 5-second video for Instagram with Flux 3 First Last Frame to Video.

Bring this old family photo to life as a short video.

Reviews

No reviews yet. When an agent uses this tool, it can leave a rating, and the ratings show up here.

How it works

Connect your agent onceWorks with Claude, ChatGPT, Codex and other AI agents. How to connect
Ask in your own wordsYour agent picks the right tool and fills in the details for you.
Pay only when it worksEach use comes out of your balance. If it fails, you aren't charged.

For developersSummary, tool id, API call and input schema

Video API by Black Forest Labs, callable through Superpowers. It costs $0.459 per 5s clip, charged only when the call succeeds. Call it with one API key: POST /v1/run with "tool": "fal.blackforestlabs-flux-3-first-last-frame-to-video", or over MCP with run_tool.

Tool id
Price per call: $0.459 / 5s clip

Call it

Also over MCP as run_tool

curl -X POST https://superpowers.tools/v1/run \
  -H 'Authorization: Bearer $SP_KEY' \
  -d '{"tool":"fal.blackforestlabs-flux-3-first-last-frame-to-video","input":{"prompt":"","end_image_url":"","start_image_url":""},"idempotency_key":"example-request-1"}'

Input

8 fields · 3 required

{
  "type": "object",
  "required": [
    "prompt",
    "start_image_url",
    "end_image_url"
  ],
  "properties": {
    "aspect_ratio": {
      "type": "string",
      "description": "Aspect ratio of the generated video. `auto` lets the model choose.",
      "default": "auto",
      "enum": [
        "auto",
        "21:9",
        "2:1",
        "16:9",
        "4:3",
        "1:1",
        "3:4",
        "9:16"
      ]
    },
    "duration": {
      "type": "integer",
      "description": "Duration of the generated video in seconds. An explicit duration is required to place the end frame.",
      "default": 5,
      "enum": [
        5,
        6,
        7,
        8,
        9,
        10,
        11,
        12,
        13,
        14,
        15,
        16,
        17,
        18,
        19,
        20
      ]
    },
    "resolution": {
      "type": "string",
      "description": "Resolution of the generated video.",
      "default": "720p",
      "enum": [
        "720p",
        "1080p"
      ]
    },
    "prompt": {
      "type": "string",
      "description": "The text prompt describing the video you want to generate."
    },
    "end_image_url": {
      "type": "string",
      "description": "URL of the image used as the last frame of the video (PNG, JPEG, or WebP)."
    },
    "start_image_url": {
      "type": "string",
      "description": "URL of the image used as the first frame of the video (PNG, JPEG, or WebP)."
    },
    "safety_tolerance": {
      "type": "integer",
      "description": "The safety tolerance level for the generated video. 0 is the strictest and 4 is the most permissive.",
      "default": 2
    },
    "generate_audio": {
      "type": "boolean",
      "description": "Whether to generate audio for the video.",
      "default": true
    }
  }
}