Video Generation

Generate videos from text prompts (T2V) or images (I2V).

Available Endpoints

Provider	Endpoint	Type	Model	Max Duration
Wan 2.5	/v2/video/wan-25/t2v	T2V	Wan-AI/Wan2.5-T2V	10s
Wan 2.5	/v2/video/wan-25/i2v	I2V	Wan-AI/Wan2.5-I2V	10s
Wan 2.6	/v2/video/wan-26/t2v	T2V	Wan-AI/Wan2.6-T2V	15s
Wan 2.6	/v2/video/wan-26/i2v	I2V	Wan-AI/Wan2.6-I2V	15s
Kling	/v2/video/kling-26/t2v	T2V	KlingTeam/v2.6-T2V	10s
Kling	/v2/video/kling-26/i2v	I2V	KlingTeam/v2.6-I2V	10s
Sora 2	/v2/video/sora-2/t2v	T2V	openai/sora-2-T2V	20s
Sora 2	/v2/video/sora-2/i2v	I2V	openai/sora-2-I2V	20s
Sora 2 Pro	/v2/video/sora-2-pro/t2v	T2V	openai/sora-2-pro-T2V	20s
Sora 2 Pro	/v2/video/sora-2-pro/i2v	I2V	openai/sora-2-pro-I2V	20s

---

Wan 2.5

T2V

POST /v2/video/wan-25/t2v

Parameter	Type	Default	Description
prompt	string	required	Video description (max 2000 chars)
size	string	1280x720	1280x720, 720x1280, 832x480, 480x832
duration	int	5	5 or 10 seconds
negative_prompt	string	-	What to avoid
audio_url	string	-	Audio to include
prompt_extend	bool	true	AI prompt enhancement
seed	int	-	Random seed

Response: videos (URL array)

curl -X POST https://relay.opengpu.network/v2/video/wan-25/t2v \
  -H "X-API-Key: YOUR_KEY" \
  -d '{"prompt": "A robot waving a flag", "duration": 5, "async": true}'

I2V

POST /v2/video/wan-25/i2v

Parameter	Type	Default	Description
prompt	string	required	Video description
first_frame_url	string	required	URL of first frame image
resolution	string	720p	480p, 720p, 1080p
duration	int	5	5 or 10 seconds
negative_prompt	string	-	What to avoid
enable_prompt_expansion	bool	true	AI prompt enhancement
seed	int	-	Random seed

Response: videos (URL array)

curl -X POST https://relay.opengpu.network/v2/video/wan-25/i2v \
  -H "X-API-Key: YOUR_KEY" \
  -d '{"prompt": "The cat turns its head", "first_frame_url": "https://example.com/cat.jpg", "async": true}'

---

Wan 2.6

T2V

POST /v2/video/wan-26/t2v

Parameter	Type	Default	Description
prompt	string	required	Video description (max 2000 chars)
size	string	1280x720	1280x720, 720x1280, 1920x1080, 1080x1920
duration	int	5	5, 10, or 15 seconds
negative_prompt	string	-	What to avoid
audio_url	string	-	Audio to include
prompt_extend	bool	true	AI prompt enhancement
shot_type	string	-	single or multi
seed	int	-	Random seed

Response: urls (URL array)

curl -X POST https://relay.opengpu.network/v2/video/wan-26/t2v \
  -H "X-API-Key: YOUR_KEY" \
  -d '{"prompt": "A dog running on the beach", "size": "1920x1080", "duration": 15, "async": true}'

I2V

POST /v2/video/wan-26/i2v

Parameter	Type	Default	Description
prompt	string	required	Video description
first_frame_url	string	required	URL of first frame image
resolution	string	1080P	720P, 1080P
duration	int	5	5, 10, or 15 seconds
negative_prompt	string	-	What to avoid
prompt_extend	bool	true	AI prompt enhancement
shot_type	string	-	single or multi
seed	int	-	Random seed

Response: urls (URL array)

curl -X POST https://relay.opengpu.network/v2/video/wan-26/i2v \
  -H "X-API-Key: YOUR_KEY" \
  -d '{"prompt": "Scene comes alive", "first_frame_url": "https://example.com/photo.jpg", "duration": 10, "async": true}'

---

Kling

T2V

POST /v2/video/kling-26/t2v

Parameter	Type	Default	Description
prompt	string	required	Video description (max 2000 chars)
aspect_ratio	string	16:9	16:9, 9:16, 1:1
duration	int	5	5 or 10 seconds
negative_prompt	string	-	What to avoid
seed	int	-	Random seed

Response: urls (URL array)

curl -X POST https://relay.opengpu.network/v2/video/kling-26/t2v \
  -H "X-API-Key: YOUR_KEY" \
  -d '{"prompt": "A car driving on a highway", "aspect_ratio": "16:9", "async": true}'

I2V

POST /v2/video/kling-26/i2v

Parameter	Type	Default	Description
prompt	string	required	Video description
image	string	required	Source image URL
image_tail	string	-	Ending frame URL
aspect_ratio	string	16:9	16:9, 9:16, 1:1
duration	int	5	5 or 10 seconds
negative_prompt	string	-	What to avoid
seed	int	-	Random seed

Response: urls (URL array)

curl -X POST https://relay.opengpu.network/v2/video/kling-26/i2v \
  -H "X-API-Key: YOUR_KEY" \
  -d '{"prompt": "Scene comes alive", "image": "https://example.com/photo.jpg", "async": true}'

---

Sora 2

T2V

POST /v2/video/sora-2/t2v

Parameter	Type	Default	Description
prompt	string	required	Video description
size	string	1280x720	Various sizes up to 1280x720
duration	int	5	5, 8, 12, 16, 20 seconds

Response: videos (URL array)

curl -X POST https://relay.opengpu.network/v2/video/sora-2/t2v \
  -H "X-API-Key: YOUR_KEY" \
  -d '{"prompt": "A robot waving a flag in a futuristic city", "duration": 8, "async": true}'

I2V

POST /v2/video/sora-2/i2v

Parameter	Type	Default	Description
first_frame_url	string	required	Source image URL
prompt	string	-	Optional guidance prompt
duration	int	5	5, 8, 12, 16, 20 seconds

Response: videos (URL array)

curl -X POST https://relay.opengpu.network/v2/video/sora-2/i2v \
  -H "X-API-Key: YOUR_KEY" \
  -d '{"first_frame_url": "https://example.com/photo.jpg", "prompt": "The cat turns and looks", "async": true}'

---

Sora 2 Pro

Higher quality version of Sora 2.

T2V

POST /v2/video/sora-2-pro/t2v

Parameter	Type	Default	Description
prompt	string	required	Video description
size	string	1280x720	Various sizes up to 1792x1024
duration	int	5	5, 8, 12, 16, 20 seconds

Response: videos (URL array)

curl -X POST https://relay.opengpu.network/v2/video/sora-2-pro/t2v \
  -H "X-API-Key: YOUR_KEY" \
  -d '{"prompt": "Cinematic shot of a dragon flying over mountains", "size": "1792x1024", "duration": 12, "async": true}'

I2V

POST /v2/video/sora-2-pro/i2v

Parameter	Type	Default	Description
first_frame_url	string	required	Source image URL
prompt	string	-	Optional guidance prompt
resolution	string	720p	720p, 1080p
duration	int	5	5, 8, 12, 16, 20 seconds

Response: videos (URL array)

curl -X POST https://relay.opengpu.network/v2/video/sora-2-pro/i2v \
  -H "X-API-Key: YOUR_KEY" \
  -d '{"first_frame_url": "https://example.com/photo.jpg", "resolution": "1080p", "duration": 8, "async": true}'

---

Async Mode (Recommended)

Video generation takes 2-20 minutes. Always use "async": true.

{"prompt": "...", "async": true}

Response (202):

{
  "task_address": "direct:abc12345-...",
  "status": "running",
  "poll_url": "/v2/tasks/direct:abc12345-..."
}

Poll: GET /v2/tasks/{task_address}

---

Notes

• Processing time: 2-20 minutes depending on resolution and duration

• Longer videos take proportionally more time

• Videos returned as downloadable MP4 URLs

• Credits charged on completion