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API Gateway

Unify API Security, Data Encryption, and AI Control. 

The StratoKey API Gateway protects sensitive data in motion, encrypting, tokenizing, and enforcing policy before your applications or their integrations, including AI ever touch it. Purpose-built for regulated industries that demand compliance, control, and visibility across multi-cloud and SaaS integrations. 

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APIs Drive Your Business.
Don't Let Them Expose It.

Every modern enterprise runs on APIs connecting CRM, ERP, MES, analytics platforms, AI models, and partner ecosystems. Each integration expands the attack surface and increases compliance exposure. StratoKey API Gateway is built for modern enterprises, providing a unified enforcement layer that encrypts or tokenizes data before it reaches downstream systems, while centrally applying policy, monitoring, and governance across any environment.

Drive Security, Compliance, and Performance Across Every API.

 

StratoKey’s API Gateway transforms API protection from a routing function into a business control layer, improving compliance, visibility, operational efficiency, and data trust.

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Reduce
Compliance Burden

Automate API encryption, tokenization, audit logging, and jurisdictional enforcement to meet CMMC, ITAR, HIPAA, and GDPR requirements (plus many more!).

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Accelerate
Secure Integrations

Connect cloud, SaaS, and AI services faster by offloading security and compliance logic to the gateway layer. Automating data masking between services to prevent data exposure and leakage.

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Control AI Access to Regulated Data

Restrict, redact and monitor data shared with AI models and agentic systems to maintain confidentiality and sovereignty. Establish data security rules to ensure regulated data does not leak into, or out of AI connected systems.

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Eliminate
Data Exposure Risk

Prevent plaintext from reaching third-party systems, with field-level encryption and tokenization. Automate data masking for AI data feeds, ensuring regulated data does not leak into AI and adjacent business systems.

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Modernize Security
for Legacy Systems

Integrating StratoKey’s API Gateway in front of legacy or proprietary platforms, enterprises can upgrade their security and compliance model instantly, without rewriting core legacy applications.

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Centralized Governance
Lowers Operational Overhead

Centralized policy and monitoring unify DevOps, security, and compliance operations into a single control plane, improving visibility, standardizing enforcement, and accelerating response.

The API Gateway is a Unified Security and Governance Layer for API Traffic 

 

Gain centralized control and compliance enforcement across every sensitive API call, securing data before it leaves your perimeter. The StratoKey API Gateway delivers a high-performance security layer that applies encryption, tokenization, access control, monitoring, and automated policies, all without requiring code changes to your existing or legacy applications.
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API Security Enforcement

Protect sensitive field data with inline encryption and tokenization,  securing payloads at the source and blocking common API-layer attacks.

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Access Management 

Control the entry point. Enforce access policies, and fine-grained security controls for SaaS APIs.

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Dynamic Policy Engine

Centrally manage authentication, authorization, schema validation, routing, throttling, transformation, and policies across APIs.

Intercept and inspect API calls to and from AI systems and agents. Prevent unauthorized data exfiltration, prompt injection, or model abuse through granular payload filtering, access, and encryption policies.

Learn more about AI Security Solutions 

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Data Sovereignty

Enforce data residency and jurisdiction-based policy decisions in multi-cloud or regulated environments. Utilize data tokenization to control regulated data storage regardless of API storage location.

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Unified Monitoring, Audit Logging and SIEM

Provide deep visibility into API traffic, anomalies, and compliance posture. Push security events directly to SIEM systems. Capture immutable audit logs for governance and forensics. 

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Performance Optimization & Caching

Optimize throughput with caching, rate limiting, and request deduplication. Maintain low latency while applying security and compliance policies inline. Use caching for data backup or integrations with third-party tools.

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Automated Data Integration

Continuously inject API payloads (requests and responses) into adjacent business systems such as Snowflake, Databricks and AI feed-in. Optionally retain encrypted payload snapshots for forensic or backup purposes, governed by data-retention and compliance policies.

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Unified Control Across Users, SaaS, and APIs

Manage identity, data, and API policies through a single control layer that coordinates the StratoKey Platform’s Identity, Data Protection, and API Gateways. Enforce authentication for users, apply data protection for SaaS applications, and regulate API access for machine and AI workloads, all under one centralized governance framework.

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Scanning of APIs for Regulated Data leaks

Continuous scanning of API requests to ensure regulated data is not leaking or being exfiltrated. This includes scanning for CUI, ITAR-controlled data, and PHI (HIPAA) through to SSN’s, credit card numbers and more. All configurable to organizational requirements.

API Security and Governance
for Regulated Industries

StratoKey API Gateway is engineered for organizations operating under strict security and regulatory controls, from defense and aerospace to healthcare, finance, and critical infrastructure. It enforces cryptographic, access, and governance controls inline to ensure every API call with sensitive data is secure and compliant.

 

Defense & Aerospace

Protect Controlled Unclassified Information (CUI) and ITAR/EAR-regulated data at the API layer. Enforce data-sovereign routing and U.S.-only access controls while maintaining compliance with CMMC 2.0, DFARS 7012, and NIST 800-171 Rev 3.

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Manufacturing

Safeguard design files, production data, and supplier communications. Tokenize or encrypt sensitive information before it leaves your network while maintaining interoperability with ERP, MES, PLM, and supply-chain APIs. Aligns with CMMC Level 2/3 and export-control frameworks.

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Healthcare

Protect and de-identify PHI and research data in EHR systems, ERP's, analytics platforms, and AI diagnostic services. Enforce HIPAA, HITECH, and HITRUST controls through field-level encryption, access governance, and immutable audit logging.

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Financial Services

Secure API traffic between financial systems, CRMs, and risk engines. Secure PII and transactional data to meet SOX and FINRA requirements. Apply encryption and policy enforcement without degrading core system functions.

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Built for Modern Enterprise Architectures 

Deploy across regions and clouds with consistent enforcement, low latency, and centralized governance, ensuring secure, compliant data flows from legacy systems to modern, AI-driven applications.

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  • Can be used with legacy or proprietary systems.
  • Compliments the StratoKey Data Protection Gateway, extending the platform into a complete defense-in-depth enterprise security solution.
  • Can be deployed on-premise behind a corporate firewall.
  • Gateway deployment with no endpoint configuration (proxy settings or CA) required .
  • Supports existing integrations and workflows.
  • Choose where the gateway resides: It can be deployed on-premises, in a private cloud, FedRAMP authorized Government Cloud, or Sovereign Cloud, among others.

Sovereign & Government Cloud Deployments 

StratoKey can be deployed in customer controlled government cloud and sovereign environments, including environments aligned to FedRAMP Moderate or High. Hosting the gateway within these environments ensures encryption, tokenization and policy enforcement run internally, keeping sensitive data and keys under jurisdictional control and supporting compliance with programs such as CMMC, ITAR, and HIPAA.

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API Gateway FAQs

What does the StratoKey API Gateway do?

What does the StratoKey API Gateway do?

It secures and governs all API traffic, applying encryption, tokenization, access control, and security policy enforcement in-line, without code changes.

How is this different from a traditional API gateway?

How is this different from a traditional API gateway?

Unlike a standard gateway that only controls traffic flow, StratoKey protects the payload itself, encrypting and tokenizing sensitive fields before they ever reach SaaS, cloud, AI, or third-party systems. It runs inside your own environment, making it a better fit for regulated industries where data must remain under enterprise control.

Does it work with legacy applications?

Does it work with legacy applications?

Yes. It enhances legacy systems with modern security controls, enabling compliance without re-architecting or changes to the underlying system.

How does it support regulated industries?

How does it support regulated industries?

The StratoKey API Gateway helps organizations mitigate risks and meet compliance. For some organizations, the StratoKey API Gateway is a crucial piece in making systems compliant. This is achieved through in-line encryption (FIPS 140-3 validated), tokenization (local data storage), audit logging, data residency enforcement, and data leak prevention which aligns with CMMC, ITAR, HIPAA, GDPR, NIST 800-171 and 800-53, and financial risk frameworks.

Can it control how AI and agentic systems access data?

Can it control how AI and agentic systems access data?

Yes. The Gateway inspects AI-bound API calls, identifies sensitive fields (CUI, PHI, PII, export-controlled material), and applies policy controls before data is released to LLMs or autonomous agents. It can tokenize, redact, mask, or block content in real time, preventing regulated information from leaking into AI models or external systems.

It also protects against prompt injection by validating and sanitizing both inputs and outputs, helping prevent agents escalate privileges, extract concealed data, or perform actions outside their approved scope. The result is continuous, governed AI access tightly aligned to compliance requirements and operational risk boundaries.

Can the API Gateway be used on its own, or only with other products?

Can the API Gateway be used on its own, or only with other products?

The StratoKey API Gateway can be deployed as a standalone service. It can also be deployed in concert with the Cloud Data Protection Gateway and Identity Gateway to secure SaaS applications, enforce access governance, and protect sensitive data at rest and in use. The API Gateway is a crucial step in full data-in-motion protection, API-level governance, and AI-aware control. Together, the three integrated StratoKey gateways form a unified defense-in-depth platform that secures identity (users), data, and API flows end-to-end.

Use APIs With Confidence.
Secure Data.
Meet Compliance.

The StratoKey API Gateway complements the Data Protection Gateway and Identity Gateway, forming part of StratoKey’s three-gateway architecture as part of the Cloud Data Protection Platform. Together, they provide layered control across identity, data protection, and APIs. The API Gateway extends traditional gateway functionality with payload-level encryption and tokenization; AI and agentic data risk controls; and compliance-grade enforcement for regulated environments.

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