

Klyra —
The Global Moderation API
Instantly detect and filter harmful content in real-time — across text and images — using advanced AI models like GPT-4o, Claude, and Gemini.
Klyra gives developers structured, accurate, and scalable moderation without the guesswork.
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Built for trust. Powered by thought.

Klyra Is Backed By:
About Klyra
Klyra is an AI-powered global moderation API designed to make the internet safer — without slowing developers down.
Real-time speed with deep reasoning
We combine real-time speed with deep reasoning, allowing platforms to filter harmful content across text and images using cutting-edge AI models from the world's top research labs.
From chat platforms to content marketplaces, Klyra helps you maintain safety at scale without sacrificing user experience.
Powered by Thought
OpenAI
GPT-4o, GPT-4.1 Mini/Nano
Anthropic
Claude 3.5 Haiku, Claude 3.7 Sonnet
Google DeepMind
Gemini 2.5 Flash, Pro
Other Models
DeepSeek, MiniMax & more coming soon
Curated Model Pipeline
Klyra integrates the best models available from leading AI labs, creating a powerful ensemble that maximizes accuracy while minimizing latency.
Every request is routed through a curated pipeline of models — optimized for safety, latency, and context accuracy.
Our intelligent routing system selects the right model for each task, ensuring you get the best results without managing complex model integrations yourself.
Built for Trust
Klyra is built from the ground up with security and transparency at its core.
End-to-end encrypted Trustless™ mode
Customizable moderation rules
Streaming + Webhook support
Confidence scores, reasoning breakdowns, and full explainability
Our Mission
Our mission is simple: Empower every platform to scale safely, without compromising speed or speech.
We believe trust should be programmable — and moderation shouldn't feel like a black box.
By providing powerful, transparent, and accessible moderation tools, we're helping build a safer internet where communities can thrive.
💎 FEATURES
Everything you need to moderate content
Powerful, reliable, and easy-to-use tools for content moderation that scale with your application.
Real-Time Moderation
Analyze and classify content instantly with sub-100ms latency — ideal for chats, uploads, and live feeds.
Multi-Model Intelligence
Use multiple AI models (GPT-4o, Claude, Gemini, etc.) behind a unified API. We pick the best brain for the job.
Structured Output
Get rich JSON with confidence scores, category breakdowns, and explainable thoughts. No black boxes.
Fallback Engine
Automatic retries and smart model switching on errors or edge cases — stay live, no exceptions.
Image Moderation
Flag nudity, gore, and unsafe visuals with high-accuracy vision models. Works out-of-the-box.
Privacy-First Design
All moderation is stateless, with optional E2E encryption and tokenized request flows.
Fraud & Abuse Protection
Rate limiting, session TTLs, and credit gating ensure your platform is safe from abuse and spammy actors.
Developer Tools
Full OpenAPI spec, instant SDKs (klyra_client), webhook support, and usage dashboards.
Built for Growth, Available Globally
Klyra empowers platforms of all sizes—from fast-moving startups to large enterprises—with crucial moderation tools, accessible worldwide.
Live Chat & Messaging
Keep conversations safe in real-time. Instantly flag harassment, spam, and harmful language in DMs, group chats, and live support.
User-Generated Content
Moderate posts, comments, profiles, and uploads automatically. Protect your community from toxicity, explicit content, and policy violations.
Marketplaces & E-commerce
Ensure trustworthy listings and reviews. Detect scams, counterfeit goods descriptions, policy violations, and inappropriate content.
Gaming & Communities
Foster positive player interactions. Moderate in-game chat, usernames, and forum posts for cheating accusations, hate speech, and harassment.
Adaptable moderation for any application requiring content safety.
Supporting Innovation
We offer special programs for startups and student developers building the future.
Launch Faster with Klyra Credits
Building the next big thing? We understand startup needs. Eligible early-stage companies (less than 2 years old, under €1M funding) can apply for:
- Up to €500 in Klyra credits to cover initial usage.
- Access to features typically reserved for Pro+ or Enterprise plans.
- Priority consideration for premium model access.
GitHub Student Developer Pack
We believe in empowering the next generation of builders. We're actively working on joining the GitHub Student Developer Pack.
Once available, verified students will receive free Klyra credits to experiment, build projects, and ensure their applications are safe from the start.
Coming Soon
Simple, Scalable Pricing
Whether you're building a side project or running a global platform — Klyra scales with you.
Free
€0/mo
1,000 requests/mo
Model Access:
Gemini Flash, GPT-4.1 Mini, DeepSeek V3
Trustless™ Mode:
Features:
- Basic filtering
- Risk score
- JSON output
Developer
€9/mo
50,000 requests/mo
Model Access:
+ Claude 3.5 Haiku
Trustless™ Mode:
Limited
Features:
- Thinking filter
- Thresholds
- Dev API
- Logs
Pro
€49/mo
250,000 requests/mo
Model Access:
+ Claude 3.7, GPT-4.1, o3-mini
Trustless™ Mode:
Features:
- Rule engine
- Dashboard
- Fallback logic
Pro+
€99/mo
1,000,000 requests/mo
Model Access:
+ Gemini Pro, GPT-4o
Trustless™ Mode:
Features:
- Streaming
- Webhooks
- Advanced config
Enterprise
Custom
5M+ requests/mo
Model Access:
All models incl. o4-mini
Trustless™ Mode:
✅ + Vault
Features:
- Dedicated infra
- Priority support
- Audit logs
- SAML
💡 All plans include global CDN routing, real-time JSON output, and structured risk scoring.
* Model access by plan is based on model pricing & intelligence.
Pay-As-You-Go
Mix monthly plans with pay-as-you-go to avoid hard limits or bursting, or use it standalone.
Request Type | Price / 1K Requests |
---|---|
Fast Filter | €0.003 |
Thinking Filter | €0.02 |
Trustless™ Mode | €0.03 |
Image Moderation | €0.05 |
Notes & Fair Use
- Free plan users can top up max €50 per month to prevent abuse.
- All usage is rate-limited based on plan tier.
- Overuse triggers burst mode cooldowns or token suspension.
- You own your logs. No vendor lock-in. Export anytime.
Want to Try It?
Get started for free — no card required. Run your first 1,000 moderation checks today.
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