Install the belt CLI skill: npx skills add belt-sh/cli

AI Marketing Videos

Create professional marketing videos via inference.sh CLI.

Quick Start

Requires inference.sh CLI (belt). Install instructions

belt login

Generate a product promo video

belt app run google/veo-3-1-fast --input '{

"prompt": "Sleek product reveal video, smartphone emerging from light particles, premium tech aesthetic, commercial quality"

}'

## Video Ad Types

| Type | Duration | Platform |

|------|----------|----------|

| Bumper Ad | 6 seconds | YouTube |

| Short Ad | 15 seconds | Instagram, Facebook |

| Standard Ad | 30 seconds | YouTube, TV |

| Explainer | 60-90 seconds | Website, YouTube |

| Product Demo | 30-60 seconds | All platforms |

## Marketing Video Templates

### Product Launch

Dramatic product reveal

belt app run google/veo-3 --input '{

"prompt": "Cinematic product launch video, premium tech device floating in space, dramatic lighting, particles and light effects, Apple-style reveal, commercial quality"

}'

### Brand Story

Emotional brand narrative

belt app run google/veo-3-1 --input '{

"prompt": "Brand story video showing diverse people connecting through technology, warm color grading, lifestyle montage, emotional and inspiring, commercial"

}'

### Feature Highlight

Focus on specific feature

belt app run bytedance/seedance-2-0 --input '{

"prompt": "Close-up product feature demonstration, hands interacting with device, clean background, informative, tech commercial style",

"generate_audio": true

}'

### Testimonial Style

Talking head testimonial

belt app run google/veo-3-1-fast --input '{

"prompt": "Customer testimonial style video, person speaking to camera, neutral office background, professional lighting, authentic feel"

}'

### Before/After

Transformation reveal

belt app run google/veo-3-1-fast --input '{

"prompt": "Before and after transformation video, split screen transition, dramatic reveal, satisfying comparison, commercial style"

}'

## Complete Ad Workflows

### 30-Second Product Ad

1. Opening hook (0-3s)

belt app run google/veo-3-1-fast --input '{

"prompt": "Attention-grabbing opening, product silhouette in dramatic lighting, building anticipation"

}' > hook.json

2. Problem statement (3-8s)

belt app run google/veo-3-1-fast --input '{

"prompt": "Frustrated person dealing with common problem, relatable everyday situation, documentary style"

}' > problem.json

3. Solution reveal (8-15s)

belt app run google/veo-3-1-fast --input '{

"prompt": "Product reveal with features highlighted, clean demonstration, solving the problem shown before"

}' > solution.json

4. Benefits showcase (15-25s)

belt app run google/veo-3-1-fast --input '{

"prompt": "Happy customer using product, lifestyle integration, multiple quick cuts showing benefits"

}' > benefits.json

5. Call to action (25-30s)

belt app run google/veo-3-1-fast --input '{

"prompt": "Product hero shot with space for text overlay, professional lighting, commercial ending"

}' > cta.json

6. Generate voiceover

belt app run infsh/kokoro-tts --input '{

"prompt": "Tired of [problem]? Introducing [Product]. [Key benefit 1]. [Key benefit 2]. [Key benefit 3]. Get yours today.",

"voice": "af_nicole"

}' > voiceover.json

7. Merge all clips with voiceover

belt app run infsh/media-merger --input '{

"videos": ["<hook>", "<problem>", "<solution>", "<benefits>", "<cta>"],

"audio_url": "<voiceover>",

"transition": "crossfade"

}'

### Instagram/TikTok Ad (15s)

Vertical format, fast-paced

belt app run google/veo-3-1-fast --input '{

"prompt": "Fast-paced product showcase, vertical 9:16, quick cuts, trending style, hook in first 2 seconds, satisfying visually, Gen-Z aesthetic"

}'

Add trendy music

belt app run infsh/media-merger --input '{

"video_url": "<video>",

"audio_url": "https://trending-music.mp3"

}'

### Explainer Video

1. Write script

belt app run openrouter/claude-sonnet-45 --input '{

"prompt": "Write a 60-second explainer video script for a SaaS product. Include: hook, problem, solution, 3 key features, social proof, CTA. Make it conversational."

}' > script.json

2. Generate visuals for each section

SECTIONS=("hook" "problem" "solution" "feature1" "feature2" "feature3" "social_proof" "cta")

for section in "${SECTIONS[@]}"; do

belt app run google/veo-3-1-fast --input "{

\"prompt\": \"Explainer video scene for $section, motion graphics style, clean modern aesthetic, SaaS product\"

}" > "$section.json"

done

3. Generate professional voiceover

belt app run infsh/kokoro-tts --input '{

"prompt": "<full-script>",

"voice": "am_michael"

}' > voiceover.json

4. Assemble final video

belt app run infsh/media-merger --input '{

"videos": ["<hook>", "<problem>", "<solution>", ...],

"audio_url": "<voiceover>",

"transition": "fade"

}'

## Platform-Specific Formats

### Facebook/Instagram Feed

belt app run google/veo-3-1-fast --input '{

"prompt": "Square format product video 1:1, eye-catching visuals, works without sound, text-friendly, scroll-stopping"

}'

### YouTube Pre-Roll

belt app run google/veo-3-1-fast --input '{

"prompt": "YouTube ad style, skip button awareness (hook in 5 seconds), 16:9, professional commercial quality"

}'

### LinkedIn

belt app run google/veo-3-1-fast --input '{

"prompt": "Professional B2B product video, corporate style, clean and modern, business audience, subtle motion"

}'

### TikTok/Reels

belt app run google/veo-3-1-fast --input '{

"prompt": "TikTok native style ad, vertical 9:16, raw authentic feel, not overly polished, trendy, user-generated content aesthetic"

}'

## Ad Creative Best Practices

### Hook Formula (First 3 Seconds)

belt app run google/veo-3-1-fast --input '{

"prompt": "Opening hook: [choose one]

- Surprising visual transformation

- Bold statement text animation

- Relatable problem scenario

- Curiosity gap visual

- Satisfying action"

}'

### Visual Hierarchy

- **Product hero** - Clear, prominent

- **Benefits** - Illustrated, not just stated

- **Social proof** - Visible testimonials/numbers

- **CTA** - Clear space for text overlay

### Sound Design

Add appropriate music

belt app run infsh/ai-music --input '{

"prompt": "Upbeat commercial background music, modern, energetic, 30 seconds"

}' > music.json

belt app run infsh/media-merger --input '{

"video_url": "<ad-video>",

"audio_url": "<music>",

"audio_volume": 0.5

}'

## A/B Testing Variants

Generate multiple creative variants

HOOKS=(

"Problem-focused opening"

"Product reveal opening"

"Testimonial opening"

"Statistic opening"

)

for hook in "${HOOKS[@]}"; do

belt app run google/veo-3-1-fast --input "{

\"prompt\": \"Marketing video with $hook, professional commercial quality\"

}" > "variant_${hook// /_}.json"

done

## Video Ad Checklist

-  Hook in first 3 seconds

-  Works without sound (captions/text)

-  Clear product visibility

-  Benefit-focused messaging

-  Single clear CTA

-  Correct aspect ratio for platform

-  Brand consistency

-  Mobile-optimized

## Related Skills

Video generation

npx skills add inference-sh/skills@ai-video-generation

Image generation for thumbnails

npx skills add inference-sh/skills@ai-image-generation

Text-to-speech for voiceover

npx skills add inference-sh/skills@text-to-speech

Social media content

npx skills add inference-sh/skills@ai-social-media-content

Full platform skill

npx skills add inference-sh/skills@infsh-cli