YepAPI
LightricksVideo Generation/v1/media/queue

LTX-2.5 Fast API

LTX-2.5 Fast from $0.18/sec — Lightricks video up to 4K with audio and camera-movement control.

Lightricks' LTX-2.5 in fast mode. 6, 8, or 10 second clips at 720p up to 4K with audio, camera-movement presets, and first/last-frame control — from $0.18 per second.

No credit card required. Takes 30 seconds.

LTX-2.5 Fast API pricing

Pay per request from your YepAPI balance — no subscription, no monthly minimum. Prices updated November 1, 2026.

BillingPrice
Rate (720p)$0.18/sec
Rate (1080p)$0.26/sec
Rate (2K)$0.38/sec
Rate (4K)$0.60/sec
What it costsPer job
5-second clipfrom lowest resolution$0.90
10-second clipfrom lowest resolution$1.80
100 × 5-second clipsan ad-creative batch$90.00

2,400+

Developers

1.2M+

API calls served

100+

Endpoints

$0.01

Per call

Yep, that's it.

Try it live

Enter a prompt and generate a video with LTX-2.5 Fast.

POST/v1/media/queue

Drop image or click to upload

For image-to-video (first/last frame)

Response
Hit "Send Request" to see the response

LTX-2.5 Fast specs

ProviderLightricks
Model IDlightricks/ltx-2.5-fast
Endpoint/v1/media/queue
TypeVideo Generation
Resolutions720p, 1080p, 2k, 4k
Aspect ratios16:9, 9:16
Durations6, 8, 10 seconds
AudioGenerated with the video
Image inputYes

How to get a LTX-2.5 Fast API key

  1. 1

    Create a free account

    Sign up at yepapi.com with Google or email. It takes about 30 seconds and needs no card.

  2. 2

    Create an API key

    Open the dashboard, go to API Keys and create a key. Copy it — it starts with yep_sk_.

  3. 3

    Call LTX-2.5 Fast

    Send a request to /v1/media/queue with the x-api-key header and model "lightricks/ltx-2.5-fast".

  4. 4

    Pay as you go

    Usage is billed per request from your balance. Top up any amount; there is no subscription.

Strengths

✓
Up to 4K

$0.18/sec at 720p, $0.26/sec at 1080p, $0.38/sec at 2K, and $0.60/sec at 4K, with audio included.

✓
Camera movement presets

Set `camera_movement` and `fps` in `options.params` to direct the shot instead of describing it in the prompt.

✓
Audio included

A synced audio track is generated by default at no extra charge; send `generateAudio: false` to skip it.

✓
First & last frame control

Start from an uploaded image, or set it as the last frame to land the shot on a chosen composition.

Quick start

Copy this snippet and start making calls with LTX-2.5 Fast.

// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "model": "lightricks/ltx-2.5-fast",
    "prompt": "A slow dolly-in on a ceramicist shaping a bowl on a spinning wheel, clay-streaked hands, afternoon light through a dusty studio window",
    "options": {
      "aspectRatio": "16:9",
      "resolution": "1080p",
      "duration": "6"
    }
  }),
});
const { data } = await res.json();
const jobId = data.jobId;

// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
  headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }

LTX-2.5 Fast vs similar models

Every model below runs on the same API key — switch by changing the model ID.

ModelProviderPrice
LTX-2.5 FastLightricksfrom $0.18/sec (720p), $0.26/sec (1080p), $0.38/sec (2K), $0.60/sec (4K)
LTX-2.5 ProLightricksfrom $0.24/sec (720p), $0.34/sec (1080p)
Seedance 1.0 Pro FastByteDancefrom about $0.02/sec (480p), about $0.04/sec (720p), about $0.10/sec (1080p)
Grok Imagine Video 1.5 LitexAIfrom $0.04/sec (480p)
HeyGen VideoHeyGenfrom $0.04/sec (480p)
PixVerse V6PixVersefrom $0.044/sec (360p), $0.06/sec (540p), $0.078/sec (720p), $0.154/sec (1080p); with audio (default) $0.06–$0.196/sec
Seedance 1.0 ProByteDancefrom about $0.05/sec (480p), about $0.10/sec (720p), about $0.24/sec (1080p)
Seedance 2.0 MiniByteDancefrom about $0.07/sec (480p)

Why use LTX-2.5 Fast through YepAPI?

✓One API key for all models — no separate accounts
✓No monthly minimums — pay per call
✓Switch models with one line of code
✓Simple REST API — works from any language
✓Unified billing across all providers
✓No rate limits for most use cases

LTX 2.5 API — Lightricks LTX-2.5 Fast video from $0.18/sec

LTX-2.5 is Lightricks' video generation model, and the Fast variant is tuned for turnaround while still reaching 4K. It produces 6, 8, or 10 second clips in 16:9 or 9:16 from a prompt or an image, with synced audio and first/last-frame conditioning.

On YepAPI you call it as `lightricks/ltx-2.5-fast` (alias `ltx`) on `/v1/media/queue`. Camera direction such as `camera_movement` and the frame rate `fps` go in `options.params`. Billed per second from $0.18 at 720p to $0.60 at 4K.

Start generating in 30 seconds

$5 free credit on signup. No credit card required. Pay per call.

What developers say

“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”

Marcus T.

SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”

Priya S.

Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”

Jake R.

Indie Hacker

Frequently asked questions

Lightricks' LTX-2.5 in fast mode. 6, 8, or 10 second clips at 720p up to 4K with audio, camera-movement presets, and first/last-frame control — from $0.18 per second.

LTX-2.5 Fast costs from $0.18/sec (720p), $0.26/sec (1080p), $0.38/sec (2K), $0.60/sec (4K) through YepAPI, billed per request with no monthly fee. For example, a 5-second clip (from lowest resolution) costs about $0.90.

Sign up at yepapi.com (Google or email, about 30 seconds), open the dashboard and create an API key. The same key works for LTX-2.5 Fast and every other model — no separate Lightricks account or waitlist.

New YepAPI accounts in most countries get free signup credit, enough to test LTX-2.5 Fast without a card. After that you pay per request at the rates above — there is no subscription.

Use "lightricks/ltx-2.5-fast" as the model on /v1/media/queue. The short alias "ltx" also works.

Ready to use LTX-2.5 Fast?

$5 free credit on signup. No credit card required. Pay per call.

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