Professional quality assurance and compliance checking for AI-generated content. Real-time evaluation with blockchain verification and enterprise-grade reliability.
Proprietary algorithms and technologies protected under US Patent Application #2025-KK-001
Post-quantum cryptographic algorithms ensuring future-proof security against quantum computing threats.
Immutable audit trail on Ethereum and Base networks with zero-knowledge proof validation.
Multi-layer neural network with 150+ evaluation parameters and self-learning capabilities.
Dynamic content optimization with sub-millisecond latency using edge computing nodes.
Automated regulatory compliance checking for GDPR, CCPA, HIPAA, and 50+ global standards.
AI-powered predictive modeling for content performance and engagement forecasting.
The Kings Key API provides enterprise-grade AI content evaluation services through a simple REST interface. Our API enables real-time quality assessment, compliance checking, and performance optimization for AI-generated content.
https://api.kingskey.app/v1All API requests require authentication using an API key. Include your API key in the request headers or as a parameter.
Choose your plan and get instant API access:
// Include in request headers
Authorization: Bearer kk_live_1234567890abcdef
Content-Type: application/json{
"api_key": "kk_live_1234567890abcdef",
"content": "Content to evaluate..."
}All endpoints return JSON responses and support both GET and POST methods where applicable.
| Endpoint | Method | Description | Price Range |
|---|---|---|---|
| /evaluate | POST | Comprehensive content evaluation | $0.50 - $2.50 |
| /validate | POST | Fast content validation | $0.25 - $1.00 |
| /optimize | POST | Performance optimization analysis | $1.00 - $5.00 |
| /batch | POST | Batch processing (up to 100 items) | 10% volume discount |
Comprehensive evaluation of AI-generated content for quality, accuracy, compliance, and engagement metrics.
{
"content": "Your AI-generated content here...",
"criteria": [
"accuracy",
"compliance",
"engagement",
"readability"
],
"industry": "healthcare",
"language": "en",
"custom_rules": {
"max_length": 5000,
"required_keywords": ["clinical", "evidence"]
}
}| Parameter | Type | Required | Description |
|---|---|---|---|
| content | string | Yes | Content to be evaluated (max 50,000 characters) |
| criteria | array | No | Evaluation criteria: accuracy, compliance, engagement, readability, sentiment |
| industry | string | No | Industry context for specialized evaluation |
| language | string | No | Content language (ISO 639-1 code, default: "en") |
{
"evaluation_id": "eval_abc123def456",
"status": "completed",
"scores": {
"accuracy": 0.94,
"compliance": 0.98,
"engagement": 0.87,
"readability": 0.91,
"overall": 0.92
},
"feedback": {
"strengths": [
"Clear structure and logical flow",
"Industry-appropriate terminology"
],
"improvements": [
"Add more supporting evidence",
"Consider shorter paragraphs for readability"
]
},
"processing_time": "0.73s",
"cost": "$1.25",
"blockchain_tx": "0x1234567890abcdef...",
"created_at": "2025-01-15T10:30:00Z"
}The API uses standard HTTP status codes and returns detailed error information in JSON format.
| Status Code | Error Type | Description |
|---|---|---|
| 400 | Bad Request | Invalid request parameters or malformed JSON |
| 401 | Unauthorized | Invalid or missing API key |
| 403 | Forbidden | API key doesn't have permission for this resource |
| 429 | Rate Limited | Too many requests - see rate limits section |
| 500 | Internal Error | Temporary server error - retry with exponential backoff |
{
"error": {
"code": "invalid_content_length",
"message": "Content exceeds maximum length of 50,000 characters",
"details": {
"current_length": 75000,
"max_length": 50000
}
},
"request_id": "req_xyz789"
}API requests are rate-limited based on your subscription tier to ensure fair usage and optimal performance.
| Tier | Rate Limit | Burst Limit | Reset Window |
|---|---|---|---|
| Starter | 100 requests/minute | 200 requests/minute | 60 seconds |
| Professional | 1,000 requests/minute | 2,000 requests/minute | 60 seconds |
| Enterprise | 10,000 requests/minute | 20,000 requests/minute | 60 seconds |
Comprehensive evaluation of AI-generated content for accuracy, relevance, and quality standards. Real-time scoring with detailed feedback.
Automated compliance checking against industry standards, regulatory requirements, and custom guidelines.
Advanced analysis and optimization recommendations for AI model outputs and content generation workflows.
Immutable verification and audit trails for AI evaluations. Full transparency with Ethereum and Base network integration.
Simple, powerful API designed for seamless integration with your AI systems. Full OpenAPI documentation available.
{
"endpoint": "POST /api/v1/evaluate",
"request": {
"content": "AI generated content here",
"criteria": ["accuracy", "compliance"],
"api_key": "kk_live_..."
},
"response": {
"evaluation_id": "eval_abc123",
"scores": {
"accuracy": 0.94,
"compliance": 0.98
},
"processing_time": "0.73s",
"cost": "$1.25"
}
}Enterprise-grade security controls and data protection standards
Guaranteed availability with real-time monitoring and failover systems
Sub-second response times worldwide with edge computing infrastructure
All evaluations recorded on Ethereum and Base networks for transparency