The AI Detection API your engineers will actually use
99%+ accurate. Sub-300ms response. Sentence-level confidence scoring. One clean endpoint, Python & JavaScript SDKs, transparent pricing. Free 1,000 requests/month. No credit card, no demo call.
import requests
response = requests.post(
"https://aidetectorapi.com/v1/detect",
headers={"Authorization": "Bearer your_api_key"},
json={"text": "Paste any text to analyze..."}
)
result = response.json()
print(f"AI Probability: {result['score']}")
# ✓ AI Probability: 0.94
# ✓ Sentences analyzed: 12
# ✓ Confidence: highWhy Developers Choose This AI Detector API
Everything you need to detect AI-generated content accurately and at scale. Built for developers who demand reliability.
99%+ Detection Accuracy
Trained on millions of samples from GPT-4, Claude, Gemini, Llama, and every major LLM. Independently validated with sub-2% false positive rate.
Sub-Second Response Time
Average API response in under 400ms for a 700-word document. Built for real-time applications where latency matters.
Sentence-Level Scoring
Get granular confidence scores for every sentence, not just a single document score. See exactly which parts of the text were likely AI-generated.
Batch Processing
Analyze hundreds of documents in a single API call. Async processing with webhook delivery for high-volume workloads.
20+ Languages
Detect AI content in English, Spanish, French, German, Portuguese, Chinese, Japanese, and more. Same high accuracy across all supported languages.
Simple REST API
Standard REST endpoints with JSON responses. Official SDKs for Python, JavaScript/TypeScript, and cURL examples. Integrate in under 5 minutes.
Try it now. Paste any text
Instant heuristic score for the homepage. The production API is the real ML model. Sign up free to use it.
How the AI Detector API Works
Send Your Text
Make a POST request to /v1/detect with the text you want to analyze. Plain text or HTML. We handle both.
Get Instant Results
Receive a JSON response with an overall AI probability score (0, 1), sentence-level breakdowns, and a confidence rating.
Act on the Data
Use the structured response in your application. Flag content, trigger reviews, or surface results to your users.
Built for these use cases
Detection is a feature, not a destination. AI Detector API is built to drop into the products you ship.
Detect AI submissions with sentence-level scoring.
Flag AI articles before publication.
Trust & safety pipelines, sub-300ms inline scoring.
AI-written resume & cover-letter signal.
Ensure SEO content meets quality bars.
Audit content libraries; flag for disclosure.
Free tier · 1,000 requests/month · No credit card required
AI Detector API Pricing
Start free. Scale as you grow. Pay only for what you use.
Pro
- 50,000 requests/month
- Batch processing
- Webhook delivery
- Priority support
- 99.9% SLA
Enterprise
- Unlimited requests
- Dedicated infrastructure
- Custom model tuning
- On-premise available
- Dedicated account manager
All plans include 20+ languages, full API access, and official SDKs. View full pricing comparison ✓
Frequently Asked Questions
Common questions about AI content detection and our API.