Wan 2.6 I2V Flash
[Core Function] Wan 2.6 I2V Flash is an older generation image-to-video model. [Strengths] Provided enhanced dynamic camera movements and rich lighting effects. Maintained for backward compatibility. [Best For] Existing legacy integrations that require the specific speed/cost tradeoff of this older model. [Limitations] Do NOT use this for new creations. It is a legacy model maintained for backward compatibility. [Routing] Only use if explicitly requested; otherwise use Wan 2.7 I2V.
Authorizations
API Key authentication. Format: Bearer YOUR_API_KEY.
Body
First frame image URL (supports HTTP/HTTPS/Base64)
"https://example.com/image.jpg"
Video content description, supports Chinese and English
1 - 800"Camera slowly zooms in"
Negative prompt describing unwanted content
500"blurry, distorted"
Video resolution tier
480P, 720P, 1080P "720P"
Video duration in seconds (integer)
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 5
Whether to generate video with audio (only supported by wan2.6-i2v-flash)
false
Enable prompt intelligent rewriting
false
Random seed for reproducibility
0 <= x <= 214748364742
Custom audio URL (supports wav/mp3, 3-30 seconds, ≤15MB)
"https://example.com/audio.mp3"
Shot type (single-shot or multi-shot narrative)
single, multi "single"