Developer API

    Build with AI Free Text Pro API

    Programmatic access to industry-leading AI humanization and detection. Simple REST endpoints, 98% accuracy, and real-time usage analytics.

    RESTful 99.9% Uptime <2s Response JSON I/O

    Integrate in Minutes

    A single POST request is all you need. Choose your language and start humanizing.

    curl -X POST https://api.aifreetextpro.com/v1/humanize \
      -H "Authorization: Bearer sk_live_your_api_key" \
      -H "Content-Type: application/json" \
      -d '{
        "text": "AI-generated text to humanize...",
        "style": "academic",
        "strength": "balanced"
      }'
    200 OK — Response
    {
      "humanized_text": "Your naturally rewritten text...",
      "confidence_score": 0.97,
      "word_count": 142,
      "detection_risk": "low",
      "credits_remaining": 48500
    }

    Built for Developers

    Everything you need to integrate AI humanization into your product.

    Lightning Fast

    Average response time under 2 seconds. Process thousands of words in a single request.

    98% Bypass Rate

    Same industry-leading accuracy as our web app, now available programmatically.

    Simple Auth

    Bearer token authentication. Generate and manage API keys from your developer portal.

    RESTful Design

    Standard REST API with JSON payloads. Integrate with any language or framework.

    Usage Analytics

    Real-time dashboard tracking requests, word counts, and error rates per key.

    Multiple Styles

    Academic, casual, professional, and creative humanization modes via a single parameter.

    What Can You Build?

    From CMS plugins to full SaaS products — our API powers the next generation of writing tools.

    Content Platforms

    Integrate humanization directly into your CMS or publishing workflow. Auto-process drafts before publication.

    Writing Tools & Plugins

    Build browser extensions, Google Docs add-ons, or VS Code plugins powered by our API.

    Agency Automation

    Process client content at scale. Batch humanize hundreds of articles through your existing pipeline.

    EdTech Products

    Help students improve AI-assisted writing while maintaining academic integrity standards.

    API Access Included

    API access is available on Pro Writer ($24.99/mo) and Unlimited Creator ($59.99/mo) plans. All plans include the developer portal, usage analytics, and key management.

    Developer FAQs

    Frequently Asked Questions

    Ready to Integrate?

    Get your API key in under 60 seconds. Start with the free sandbox — no credit card required.