Kie.ai

Kie.ai

by Kie.ai

Affordable, unified AI API access to the world’s best video, image, music, and chat models with 99.9% uptime and fast response times.

See https://kie.ai

Features

• Video Generation APIs: Access to Google Veo 3.1 (text-to-video and image-to-video), Runway Aleph (scene editing, object manipulation), and other models
• Image Generation APIs: OpenAI 4o Image API, Flux.1 Kontext (Black Forest Labs), Nano Banana API
• Music Generation APIs: Suno V3.5, V4, V4.5, V4.5 Plus (up to 8 minutes per track)
• LLM & Chat APIs: Text generation and conversational AI across multiple models
• Free Playground: Test any model for free before integration, no credit card required
• Credit-Based Billing: Pay-as-you-go system with transparent pricing, no mandatory subscriptions
• 99.9% Uptime: Stable infrastructure with 25.2s average response time
• Comprehensive Documentation: Clear API docs with step-by-step examples
• 24/7 Support: Professional technical support available around the clock
• Data Security: Encryption technology to protect user data

Superpowers

Kie.ai is the cost leader for AI API access, positioning itself 60-70% cheaper than alternatives like Fal.ai and replicate. This makes it ideal for developers, creative teams, and agencies that need high-volume AI generation without breaking the budget. The unified platform approach eliminates vendor lock-in—access multiple best-in-class models through a single API key. The free playground testing ground reduces friction in adoption and helps teams validate prompts and quality before committing credits.

Best suited for:

• Startups & independent creators needing affordable, scalable AI generation
• Agencies handling multiple client projects with diverse generative AI requirements
• Product teams integrating AI capabilities into applications at scale
• Creative professionals (filmmakers, designers, musicians) prototyping with cutting-edge models

Practical Examples

Video Generation: Create an 8-second cinematic video with Veo 3.1 Fast for $0.40(includingsynchronizedaudio),vs$6.00+ on competing platforms.

Bulk Content: Generate 100 marketing videos monthly for ~$40usingVeo3Fastvs$600+ elsewhere.

Music Production: Create custom soundtrack variations for game or app projects using Suno API with precise control over vocal style and composition.

Image Variations: Rapidly iterate on product visuals or marketing assets using Flux.1 Kontext with strong character/style consistency.

Pricing

Pay-as-you-go credit system: $0.005 per credit (no minimum, no monthly subscription)

Video Generation (Veo 3.1):

• Veo 3.1 Fast: $0.40 per 8-second video with audio (80 credits)
• Veo 3.1 Quality: $2.00 per 8-second video with audio (400 credits)

Video Generation (Runway):

• Runway Gen-3 Alpha Turbo: competitive per-second pricing

Image Generation:

• Variable pricing per generation depending on model (Flux.1, 4o, Nano Banana)

Music Generation (Suno):

• Per track generation; pricing varies by model version (V3.5 through V4.5 Plus)

LLMs & Chat:

• Access to DeepSeek R1 and other models with per-token pricing

Free Trial: New accounts receive free initial credits to test models in the playground before committing to paid usage.

How to Get Started

1. Sign up at https://kie.ai to create a free account and get API key
2. Test models for free in the interactive playground
3. Review API documentation at https://docs.kie.ai
4. Integrate API key into your application using provided SDKs/REST endpoints
5. Monitor usage and credits via dashboard
6. Contact support@kie.ai for integration assistance

Technical Integration

REST API endpoints with clear request/response formats. SDKs available for common languages. Supports batch requests for high-volume generation. Real-time streaming output capability for select models.