Get started with the Legnext AI API by following these steps to make your first API call.

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1. Generate an API Key

Get your API key from the Legnext dashboard to authenticate your requests.
Never share your API key with anyone. Keep it secure and never commit it to version control.

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2. Set URL and Endpoint

All API requests are made to our base URL with specific endpoints: 
https://api.legnext.ai/api/v1/{endpoint}
For example: https://api.legnext.ai/api/v1/diffusion

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3. Headers

All API requests must include the following headers:
HeaderRequiredDescription
x-api-keyYesYour API key for authentication
Content-TypeNoSet to application/json

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4. Make Your First API Call

Generate your first image using our text-to-image endpoint: 
curl -X POST "https://api.legnext.ai/api/v1/diffusion" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "text": "A beautiful sunset over mountains with vibrant colors",
    "callback": "https://your-domain.com/webhook"
  }'

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5. Response Format

All endpoints return a Job object containing:
  • job_id: Unique job identifier
  • status: Processing status (pending, processing, completed, failed)
  • output: Contains result image URLs when completed
  • meta: Usage and timing information
  • error: Error details if task failed

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6. Next Steps

Start exploring our powerful image generation capabilities!

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Important

Please read our Notice before using the API to understand supported models and current limitations.