wan2.7-i2v API

Use the exact model ID wan2.7-i2v. The model field must match this page exactly.

Authentication and endpoint

Use a Modelflare API key with https://modelflare.dev/v1. The gateway entry point is POST /v1/videos.

HTTP

Authorization: Bearer YOUR_MODELFLARE_API_KEY

Create a task

bash

curl https://modelflare.dev/v1/videos \
  -H "Authorization: Bearer YOUR_MODELFLARE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "wan2.7-i2v",
    "input": {"prompt": "A white cat runs through a neon-lit street in the rain, cinematic tracking shot"},
    "parameters": {"resolution": "1080P", "duration": 5, "prompt_extend": false}
  }'

Poll and download

Save the task ID. Poll GET /v1/videos/{task_id} and download with GET /v1/videos/{task_id}/content. Result URLs may expire, so transfer the file promptly.

bash

curl https://modelflare.dev/v1/videos/TASK_ID \
  -H "Authorization: Bearer YOUR_MODELFLARE_API_KEY"

Request notes

Wan commonly uses input and parameters; frame-guided and reference-media modes must not be mixed.

Request parameters

Wan2.7 I2V uses input.prompt and input.media. Follow the documented combinations for first/last frames, driving audio, and an initial clip.

Field	Required	Notes
model	Yes	wan2.7-i2v
input.prompt	Yes	Motion and scene description
input.media[]	Yes	first_frame, last_frame, driving_audio, or first_clip
parameters.resolution	No	720P / 1080P
parameters.duration	No	Total duration; includes the input clip for continuation
parameters.prompt_extend	No	Set false when this dedicated model contract requires it
parameters.watermark	No	Whether to add a watermark

Input and output limits

I2V media must follow a supported combination such as first_frame, first_frame + last_frame, first_frame + driving_audio, or first_clip with the documented optional end frame. Each media type appears at most once; output is 720P or 1080P.

Supported scope

This page covers Modelflare model generation and editing calls. Search or map enrichment, voice management, and element-library management are resource APIs outside this public model-call surface and are not required request fields.

Pricing and billing

This model uses per-second video billing. See the model pricing page for the current customer price, reference list price, and complete specification.

Note

This page documents Modelflare’s public interface; the fields and limits shown here are the current contract.

Variants

Model ID	Difference
wan2.7-i2v	The model documented on this page.
wan2.7-i2v-nsfw	NSFW variant. Same endpoint, request contract, and billing unit; only the model ID changes. See the pricing page for price and availability.