AI Detector API
Integrate AI content detection into your application using a fast, secure REST API. Detect AI-generated text from ChatGPT, Gemini, Claude, GPT-5.5, DeepSeek, Llama, and more.
POST /v1/detect
Host: api.aidetector.cx
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json
{
"text": "Artificial intelligence has rapidly transformed
the way organizations operate across every
industry, enabling unprecedented levels of
automation and efficiency.",
"include_sentences": true
}AI Detection API Features
Everything you need to build robust AI content verification into your product— from quick integrations to enterprise-scale pipelines.
AI Detection API
Detect AI-generated content across ChatGPT, Gemini, Claude, and 50+ models with a single REST call.
Sentence-Level Detection
Identify exactly which sentences are AI-written with per-sentence probability scores.
AI Probability Score
Receive a 0–100% AI probability score for every text submission.
Human Probability Score
Complementary human-authorship score for complete confidence in content authenticity.
Batch Detection
Analyze up to 100 texts in a single API request — ideal for high-volume pipelines.
REST API
Standard HTTP REST interface with JSON. Works with Python, JavaScript, PHP, Ruby, Go, and more.
JSON Responses
Structured, predictable JSON responses that are easy to parse and integrate.
Secure API Keys
Bearer-token authentication. Generate, rotate, and revoke keys from your dashboard at any time.
Usage Dashboard
Real-time request counters, quota tracking, and per-key analytics from your API Dashboard.
Fast Processing
Sub-200 ms median response time backed by a 99.9% uptime SLA on Pro and Enterprise plans.
Rate Limiting
Transparent rate limit headers on every response so your integration can self-throttle gracefully.
Webhooks (Coming Soon)
Push detection results to your endpoint in real time without polling. Available for Enterprise.
Enterprise Ready
Dedicated infrastructure, custom rate limits, and a named account manager for enterprise customers.
Supported AI Models
Our AI Detection API accurately fingerprints content from the world's leading large language models. Support expands automatically as new models are released.
+ 40 additional models continuously monitored. New models added automatically.
API Response Example
Every AI Detection API response returns a structured JSON object with everything you need to make informed decisions about content authenticity — no extra calls required.
ai_probabilityOverall likelihood the text was AI-generated (0.0–1.0)human_probabilityComplementary human-authorship scoreconfidence_scoreOur model's confidence in the predictiondetected_modelMost likely source AI model (e.g., "ChatGPT")sentence_analysisPer-sentence AI vs. human breakdown array
{
"success": true,
"data": {
"ai_probability": 0.92,
"human_probability": 0.08,
"confidence_score": 0.95,
"detected_model": "ChatGPT",
"sentence_analysis": [
{
"sentence": "Artificial intelligence has rapidly transformed...",
"ai_probability": 0.89,
"human_probability": 0.11
},
{
"sentence": "...enabling unprecedented levels of automation...",
"ai_probability": 0.96,
"human_probability": 0.04
}
]
}
}Who Uses the AI Content Detection API?
From academic institutions to global enterprises, teams trust our ChatGPT Detection API to protect content integrity at every scale.
Universities
Maintain academic integrity by automatically detecting AI-generated essays and assignments at scale.
Publishers
Verify content authenticity before publication to protect editorial standards and reader trust.
SaaS Platforms
Embed AI detection natively into your product to give users instant content authenticity signals.
Recruiters
Screen resumes and cover letters to identify AI-generated applications during candidate evaluation.
AI Writing Platforms
Integrate detection to help users understand and improve the authenticity of their content.
Agencies
Validate client deliverables and maintain content quality standards across all creative projects.
Compliance Teams
Enforce AI-content policies across regulated industries: finance, legal, healthcare, and government.
API Pricing Plans
Start for free and scale as your usage grows. No hidden fees, no surprise overages.
Explore the API and build a proof of concept.
- 100 API requests / month
- Text detection endpoint
- JSON responses
- Community support
- API key management
For growing apps and production integrations.
- 10,000 API requests / month
- Sentence-level detection
- Batch detection (up to 50)
- All supported AI models
- Priority email support
- 99.9% uptime SLA
Unlimited scale with dedicated support and SLAs.
- Unlimited API requests
- Custom rate limits
- Dedicated infrastructure
- Named account manager
- Custom SLA & contracts
- On-premise deployment options
API Documentation
Comprehensive reference docs, quick-start guides, and official SDKs to help you integrate the AI Checker API in minutes.
Learn how to obtain and use API keys for secure Bearer-token authentication.
Full reference for /v1/detect, /v1/batch, and all available endpoints.
Understand per-plan rate limits, headers, and best practices for high-volume use.
Comprehensive error code reference with causes and recommended fixes.
Official SDKs for Python, JavaScript, PHP, Ruby, and Java to speed up integration.
Step-by-step guide to make your first API call in under five minutes.
API Access is a Business Entitlement
Generate API keys, access all detection endpoints, and monitor your usage — available on active Business and Enterprise plans.
Frequently Asked Questions
Everything you need to know about the AIDetector.cx AI Detector API.
Ready to integrate AI detection?
Join thousands of developers, universities, publishers, and enterprises already using the AIDetector.cx AI Detection API to protect content integrity.
Available with active Business and Enterprise plans. View all pricing plans.