Does AI Security Gateway store my prompts?

No. AISG is designed as a stateless proxy. It processes requests in real-time to redact PII and detect threats, but it never stores the prompt text or payloads, only keeping metadata for audit logs.

What kind of PII can the gateway redact?

The managed version can detect over 28 entity types, including names, locations, IP addresses, SSNs, credit card numbers, and medical records.

Can I use it with my existing OpenAI code?

Yes. AI Security Gateway is OpenAI-compatible, meaning you can typically just change your base URL and API key in your current SDK setup to start using the firewall.

How does smart routing save money?

The gateway can be configured to route simpler requests to cheaper models and only use high-tier models like GPT-4o when necessary, while also providing side-by-side cost comparisons.

Is there a self-hosted option?

Yes, the core AI security proxy is open-source (Apache 2.0) and can be deployed on your own infrastructure using Docker Compose.

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AI security

Freemium

AI Security Gateway

A vendor-neutral AI firewall and LLM proxy providing PII redaction, secret detection, and budget enforcement for secure, cost-effective enterprise AI deployments.

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Rating

Reviews

Upvotes

4 months ago

Listed

AI security

Data Privacy

LLM Proxy

PII Redaction

Firewall

Cybersecurity

Compliance

Governance

Open Source

Tool information

Provider

Datum Fuse LLC

Platforms

Web

Self-hosted

Docker

Languages

English

API Available

Yes

Added to directory

4 months ago

Last updated

2 months ago

Rating

Not available

Pricing

Freemium

About AI Security Gateway

What the tool does and who it's for

AI Security Gateway (AISG) is a vendor-neutral AI firewall and LLM proxy designed to secure enterprise AI interactions. It acts as a protective layer between applications and LLM providers, scanning every request for sensitive data. The tool features advanced PII redaction covering over 28 entity types, secret detection for API keys and credentials, and robust prompt injection blocking to prevent jailbreak attempts. It supports multi-provider routing, allowing teams to swap LLMs without changing code, and provides budget enforcement tools to track and optimize AI spend. AISG is available as a managed cloud service or a self-hosted Docker container (Apache 2.0 license), ensuring data privacy through a stateless architecture that never stores prompts or payloads.

Key capabilities

Real-time PII Redaction: Automatically detects and masks 28+ entity types including SSNs, emails, and credit cards.

Secret Detection: Blocks the leakage of API keys, AWS credentials, and GitHub tokens in AI prompts.

Prompt Injection Blocking: Scans and prevents jailbreak attempts and instruction override attacks.

Smart Multi-Provider Routing: Swaps between 8+ providers (OpenAI, Anthropic, etc.) via a single compatible API.

Budget Enforcement: Sets project-level budgets and tracks token usage to cut AI spend by 40–70%.

Fail-Closed Security: Automatically blocks requests if the safety layer is unavailable, ensuring no data leaks.

Immutable Audit Logs: Generates SOC 2-compliant logs with metadata while never storing actual prompt content.

Self-Hosted Deployment: Offers a Docker-based version for full control over data sovereignty.

Pricing

Freemium — plans below

Open Source (OSS)

Free

Self-hosted via Docker
13 PII entity types
6 Secret recognizers
5 core injection patterns
Multi-provider routing (2 providers)

Managed Cloud

Enterprise

Contact sales

SLA & dedicated support
Advanced ROI tracking
Multi-project management
Custom regex IP Guard rules

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