Kling V3 - Ekly API

Kling V3 — text & image to video with first/last frame, multi-shot and element references. Standard, Pro and 4K quality.


Model id	`kling-v3-fal`
Media	video
Submit to	`POST /v1/videos`
Price	varies by tier and settings; `GET /v1/models/kling-v3-fal/estimate` quotes it
Typical time	about 300.0 s

Text → Video

Select it with "mode": "text_to_video", or leave mode out and the inputs decide. Required: prompt
Optional: aspect_ratio, duration_seconds, cfg_scale, negative_prompt, generate_audio, shot_type, elements Resolution tiers: standard, pro, 4k (send as tier).

{
  "model": "kling-v3-fal",
  "prompt": "Two relatives crowd a cinema camera in a wedding hall, warm practicals. [Character A: Phupha, wounded dignity]: \"Pehle mera asheerwad wala shot lo.\" Immediately, [Character B: Jija, stylish smug]: \"Asheerwad baad mein… pehle mera Dubai wala look.\"",
  "mode": "text_to_video",
  "tier": "standard"
}

Field	Allowed	Default
`aspect_ratio`	`16:9`, `9:16`, `1:1`	`"16:9"`
`duration_seconds`	3.0 – 15.0 seconds	`5`
`cfg_scale`	0.0 – 1.0	`0.5`
`negative_prompt`	text
`generate_audio`	`true`, `false`	`true`
`shot_type`	`customize`, `intelligent`	`"customize"`
`multi_shot`	text
`elements`	text

Image → Video

Select it with "mode": "image_to_video", or leave mode out and the inputs decide. Required: prompt, first_frame
Optional: last_frame, elements, duration_seconds, cfg_scale, negative_prompt, generate_audio, shot_type Resolution tiers: standard, pro, 4k (send as tier).

{
  "model": "kling-v3-fal",
  "prompt": "Two relatives crowd a cinema camera in a wedding hall, warm practicals. [Character A: Phupha, wounded dignity]: \"Pehle mera asheerwad wala shot lo.\" Immediately, [Character B: Jija, stylish smug]: \"Asheerwad baad mein… pehle mera Dubai wala look.\"",
  "mode": "image_to_video",
  "first_frame": "asset_…",
  "tier": "standard"
}

Field	Allowed	Default
`duration_seconds`	3.0 – 15.0 seconds	`5`
`cfg_scale`	0.0 – 1.0	`0.5`
`negative_prompt`	text
`generate_audio`	`true`, `false`	`true`
`shot_type`	`customize`, `intelligent`	`"customize"`
`multi_shot`	text
`elements`	text
`first_frame`	asset id (up to 1)
`last_frame`	asset id (up to 1)

Reference inputs take asset ids from POST /v1/uploads or an earlier output’s asset_id. Prices and allowed values come from the live catalog; GET /v1/models/kling-v3-fal is always current.