Generates video from text, an image · 720p to 1080p · 3–15 s · native audio
curl -X POST https://api.open.sume.com/v1/video-router/generate \
-H "Authorization: Bearer $SUME_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"kling-3-turbo","prompt":"A cinematic tracking shot along a sunlit coastal road","duration":5,"resolution":"720p","aspect_ratio":"16:9","generate_audio":false}'Kling 3.0 Turbo has the model id kling-3-turbo. Send a JSON body to POST https://api.open.sume.com/v1/video-router/generate.
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
| model | string | Yes | — | "kling-3-turbo" |
| prompt | string | Yes | — | What happens in the video. |
| image_url | string | No | — | First frame (HTTPS image). |
| duration | integer | No | 5 | Seconds, 3–15. |
| resolution | string | No | 720p | Output resolution. Options: 720p, 1080p. |
| aspect_ratio | string | No | 16:9 | Frame shape. Options: 16:9, 9:16, 1:1. |
| generate_audio | boolean | No | false | Generate a soundtrack with the video. |
Send your open.sume.com key as a bearer token from server code only. Keys minted on open.sume.com bill this balance in dollars and call the model API only.
Authorization: Bearer $SUME_API_KEY
Dollars per unit at each option, from our rate card; a request rounds up to $0.0001. The estimate above is the exact charge.
| Option | Price |
|---|---|
| 720p | $0.0887 / s |
| 1080p | $0.1109 / s |
Price, resolution and duration show each model's full range.
| Model | Type | Price | Resolution | Duration |
|---|---|---|---|---|
| Kling Video v3 Pro | video | $0.0887 – $0.1331 / s | 1080p | 4 – 15 s |
| Kling 2.6 | video | $0.0632 – $0.1263 / s | 1080p | 5 – 10 s |
| Kling 3.0 Omni | video | $0.0666 – $0.1109 / s | 720p – 1080p | 3 – 15 s |
| Kling Avatar 2.0 Pro | lipsync | $0.1150 / s | — | 2 – 60 s |
| Kling Avatar 2.0 | lipsync | $0.0562 / s | — | 2 – 60 s |
| Kling Lipsync | lipsync | $0.0140 / s | — | 2 – 10 s |
A submit answers 202 with the job, its status_url and result_url. Poll the status until it is completed, failed or canceled; failed and canceled jobs are refunded.
GET https://api.open.sume.com/v1/jobs/<job_id>/status GET https://api.open.sume.com/v1/jobs/<job_id>/result POST https://api.open.sume.com/v1/jobs/<job_id>/cancel
The estimate is the charge: the same function prices both.
curl -X POST https://api.open.sume.com/v1/open/estimate \
-H "Content-Type: application/json" \
-d '{"model":"kling-3-turbo","input":{"prompt":"…"}}'Full reference: open.sume.com/docs
| Kling O1 |
| image |
| $0.0280 / image |
| 1K – 2K |
| — |
| Kling Image 3.0 | image | $0.0253 / image | 1K – 2K | — |