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OpenRouterImage to videoComing soon

heygen/heygen-video-1

heygen/heygen-video-1 is an image to video tool from OpenRouter that runs in the background and returns video. Coming soon: listed with its price, not yet open to runs.

This tool is listed but not yet available to run.

Price pending

Pricing

Price pending.

Limits

Runs
In the background
Returns
video
Longest queue wait
3600s
Run deadline
3600s
Largest inline input
1024 KB
Largest input file
500 MB
Largest output
4768 MB
Outputs per run
16

Input

FieldKindDefaultDescription
prompt requiredtext—Text prompt describing the video to generate. Optional for models that support generating a video from image input alone; required by all other models.
seednumber (whole)—If specified, the generation will sample deterministically, such that repeated requests with the same seed and parameters should return the same result. Determinism is not guaranteed for all providers.
durationone of
5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
—Duration of the generated video in seconds
resolutionone of
480p, 768p, 2K
—Resolution of the generated video
aspect_ratioone of
21:9, 16:9, 4:3, 1:1, 3:4, 9:16
—Aspect ratio of the generated video
frame_imagesJSON—Images to use as the first and/or last frame of the generated video. Each image must specify a frame_type of first_frame or last_frame.
input_referencesJSON—Reference assets to guide video generation. Accepts image, audio, and video references. Audio and video references are only honored by providers that support them (including BytePlus Seedance generation 2 and newer); other providers use image references and ignore the rest.

Same request in code

curl https://api.spiral.ai/v1/runs \
  -H "Authorization: Bearer $SPIRAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
    "provider": "openrouter",
    "model": "heygen/heygen-video-1",
    "input": {
      "prompt": "A serene mountain landscape at sunset"
    }
  }'