AI API

Kie.ai

Kie.ai is a unified AI API platform for accessing video, image, audio, and LLM models through one integration with transparent pricing.

Kie.ai

One API for video, image, audio, and LLM models

What is Kie.ai?

Kie.ai is a unified AI API marketplace and infrastructure platform that gives developers access to video, image, audio, and language models through one consistent interface. It emphasizes lower-cost access, async task handling, webhooks, polling, and production-focused reliability.

How to use Kie.ai?

1Choose a model from the marketplace or pricing page.
2Create an API key and review the documentation.
3Send an async generation request with the unified schema.
4Use webhook callbacks or polling to track task status.
5Retrieve outputs from logs or the returned task result.

Kie.ai Key Features

Unified API for video, image, audio, and LLM models
Transparent wallet-based pricing
Async request handling with webhook and polling support
Model marketplace with multiple leading providers
Playground for testing before production integration
Failed generations are not charged
24/7 monitoring and support
Public pricing and billing details

Kie.ai Use Cases

Integrating multiple AI models into one product
Building video generation workflows
Generating and editing images at scale
Creating music, speech, or voice content
Adding LLM capabilities for agents and chat features
Testing and comparing models before deployment
Reducing AI API costs for production apps

Kie.ai Pricing & Free Credits

Kie.ai currently operates on a Paid model.

Google Nano Banana 2 4K Image

$0.09 per image

Image generation pricing listed at a lower rate than the official API.

Seedance 2.0 480p With Video Input

$0.057 per sec

Video generation pricing for a lower-resolution workflow with video input.

Google Veo 3.1 Text-to-Video Quality 1080p

$1.28 per video

Text-to-video pricing for 1080p generation.

Claude Opus 4.7 Input

$1.425 per 1M tokens

LLM input pricing for Claude Opus 4.7.

Suno v5.5

$0.002 per req

Music generation pricing for requests using the V5.5 model.

Eleven labs

$0.07 per 1K

Voice or audio pricing shown in the marketplace listing.

Kie.ai Pros & Cons

Pros

One API for multiple AI model categories
Transparent pricing with no hidden fees
Failed tasks are not charged
Supports async workflows, webhooks, and polling
Playground helps test models before production
Public documentation and billing information

Cons

Model availability and pricing may change by provider
Some listings repeat across the page, which can be confusing
Not a standalone model builder; it is an access layer

What is Kie.ai best for?

Developers building AI-native applications
Teams needing one API for multiple model types
Products that require lower-cost model access
Production workflows that need async task tracking
Users comparing models before integration

Kie.ai FAQ

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