Klyra
Klyra

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.

Powered by

OpenAI
Anthropic
Google Deepmind

and more...

Built for trust. Powered by thought.

{
"response": {
"flagged_categories": [],
"flags": {
"hate_speech":{"confidence":0.0,"flagged":false},
"nsfw":{"confidence":0.0,"flagged":false},
"profanity":{"confidence":0.0,"flagged":false},
"self_harm":{"confidence":0.0,"flagged":false},
"violence":{"confidence":0.0,"flagged":false},
"spam":{"confidence":0.0,"flagged":false}
},
"overall_risk_score": 0.0
},
"thoughts": {
"summary": "",
"category_breakdown": {
"hate_speech": "",
// Other categories...
},
"decision_reasoning": ""
}
}
Klyra

Klyra Is Backed By:

GoogleGoogle
OracleOracle
MicrosoftMicrosoft

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.

For Startups

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.
Apply for Startup Credits
For Students

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
GitHub Student Developer Pack Backpack

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
Get Started

Developer

€9/mo

50,000 requests/mo

Model Access:

+ Claude 3.5 Haiku

Trustless™ Mode:

Limited

Features:

  • Thinking filter
  • Thresholds
  • Dev API
  • Logs
Get Started
Most Popular

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
Choose Pro

Pro+

€99/mo

1,000,000 requests/mo

Model Access:

+ Gemini Pro, GPT-4o

Trustless™ Mode:

Features:

  • Streaming
  • Webhooks
  • Advanced config
Choose Pro+

Enterprise

Custom

5M+ requests/mo

Model Access:

All models incl. o4-mini

Trustless™ Mode:

✅ + Vault

Features:

  • Dedicated infra
  • Priority support
  • Audit logs
  • SAML
Contact Sales

💡 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 TypePrice / 1K Requests
Fast Filter€0.003
Thinking Filter€0.02
Trustless™ Mode€0.03
Image Moderation€0.05

View detailed model pricing

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.

Start for Free Now