How do I authenticate with the API?

Include your API key in the Authorization header as a Bearer token. Get your API key from your account settings.

What is the rate limit for API requests?

The API allows 10 requests per minute and 100 requests per hour. Rate limit headers are included in every response.

How much does the API cost?

Each generation costs 1 credit. Free tier includes 20 credits per day with no credit card required. Paid credits are available for high-volume usage.

How fast is the image generation?

Images are generated in under 1 second, making it one of the fastest AI image generation APIs available.

Back to App

API Documentation

⚡ Free, high quality & blazing fast AI generator

Generate high-quality AI images with a simple API call. Our API is designed for developers who need speed, affordability, and simplicity.

⚡Blazing fast — images generated in under 1 second
💰Budget-friendly — generous free tier, pay only for what you use
🛠️Dead simple — one endpoint, one API key, zero complexity

Authentication

All API requests require authentication using your API key. Include it in the Authorization header:

header

Authorization: Bearer YOUR_API_KEY

Get your API key from your account settings.

Generate Image

POST/api/v1/generate

Parameters

Parameter	Type	Required	Description
`prompt`	`string`	Yes	Text description of the image to generate

Response

Initial response (processing):

json

{
  "success": true,
  "jobId": "gen_abc123",
  "status": "processing",
  "imageUrl": null
}

Completed response:

json

{
  "success": true,
  "jobId": "gen_abc123",
  "status": "completed",
  "imageUrl": "https://cdn.example.com/images/gen_abc123.png"
}

Example Request

bash

curl -X POST https://kosokuai.com/api/v1/generate \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A futuristic cityscape at sunset"
  }'

Credits & Pricing

Each generation costs 1 credit and delivers high-quality results in under a second.

✓Free tier: 20 credits per day – no credit card required
✓High quality: State-of-the-art AI models for every request
✓Fast generation: Optimized for quick results
•Need more? Paid credits available for high-volume usage

Rate Limits

•10 requests per minute
•100 requests per hour

Rate limit headers are included in every response.

Error Codes

Code	Status	Description
`unauthorized`	401	Invalid or missing API key
`insufficient_credits`	402	Not enough credits
`rate_limited`	429	Too many requests
`moderation_blocked`	400	Prompt blocked by content filter

Back to App

API Documentation

⚡ Free, high quality & blazing fast AI generator

Generate high-quality AI images with a simple API call. Our API is designed for developers who need speed, affordability, and simplicity.

⚡Blazing fast — images generated in under 1 second
💰Budget-friendly — generous free tier, pay only for what you use
🛠️Dead simple — one endpoint, one API key, zero complexity

Authentication

All API requests require authentication using your API key. Include it in the Authorization header:

header

Authorization: Bearer YOUR_API_KEY

Get your API key from your account settings.

Generate Image

POST/api/v1/generate

Parameters

Parameter	Type	Required	Description
`prompt`	`string`	Yes	Text description of the image to generate

Response

Initial response (processing):

json

{
  "success": true,
  "jobId": "gen_abc123",
  "status": "processing",
  "imageUrl": null
}

Completed response:

json

{
  "success": true,
  "jobId": "gen_abc123",
  "status": "completed",
  "imageUrl": "https://cdn.example.com/images/gen_abc123.png"
}

Example Request

bash

curl -X POST https://kosokuai.com/api/v1/generate \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A futuristic cityscape at sunset"
  }'

Credits & Pricing

Each generation costs 1 credit and delivers high-quality results in under a second.

✓Free tier: 20 credits per day – no credit card required
✓High quality: State-of-the-art AI models for every request
✓Fast generation: Optimized for quick results
•Need more? Paid credits available for high-volume usage

Rate Limits

•10 requests per minute
•100 requests per hour

Rate limit headers are included in every response.

Error Codes

Code	Status	Description
`unauthorized`	401	Invalid or missing API key
`insufficient_credits`	402	Not enough credits
`rate_limited`	429	Too many requests
`moderation_blocked`	400	Prompt blocked by content filter