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Digital Cosmonot · Istanbul

From gateway projects to a gateway product

Digital Cosmonot is a software company in Istanbul. Our engineers have designed, migrated and operated API gateway infrastructure for banks, insurers and public institutions. G8 is what that work taught us to build.

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G8, API Gateway · AI Gateway, g8.dev

Secure, control and observe every API and AI call.

An enterprise API gateway and AI gateway that runs only in your own infrastructure.

g8.dev

The product

One gateway for API and AI traffic

G8 runs only in your own infrastructure: OpenShift, Kubernetes, Docker or virtual machines, air-gapped networks included. There is no hosted version.

API gateway
Authentication, rate limits, request validation, traffic splits and resilience for HTTP, gRPC and WebSocket services.
AI gateway
LLM providers with fallback, token budgets per consumer, prompt rules, and OpenAPI descriptions turned into MCP tools.
Observability
Request records in your own Elasticsearch or OpenSearch with sensitive fields masked, analytics and alerts.
Governance
One console from Development to Production, roles from your Active Directory groups, and an audit record of every change.

Community edition: free. Enterprise: licensed per gateway node.

Product details on g8.dev Documentation
Traffic Explorer in the G8 console: request records in Production and the headers of one request, with the authorization and cookie values masked by the gateway.
Traffic Explorer in Production. The gateway masked the Authorization and Cookie headers before the record was written to the customer's own log store.

Before G8

The work G8 comes from

Before G8, our team designed, migrated and operated enterprise API gateway infrastructure for banks, insurers and public institutions.

Insurance · Migration

700+

API services moved from a legacy gateway to a new platform, with zero downtime.

Read the case study
Banking · API security Centralised API security for microservices on a container platform Insurance · Outbound APIs One controlled exit for an insurer's calls to regulatory authorities

We don't publish client names. With the client's consent, we share them during your review.

How we work

For security and procurement teams

Built for organisations that answer to auditors

Runs where you run

Only in your infrastructure, including networks with no internet access. There is no hosted version.

Every change on record

Who changed what, with the before and after, and secrets masked.

Roles from your directory

Console access follows your Active Directory groups.

Staging before production

Configuration is promoted between environments, not retyped.

Support from the people who build it

In Turkish and English, weekdays 09:00–18:00 Istanbul time.

Certified management systems

ISO 9001, ISO/IEC 27001 and ISO/IEC 20000-1. Certificate numbers and scope on request.

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Work with us

Find the right door

Evaluating G8Tell us about your environment and what you need to secure. Talk to us PartnersTraining, demo licences and pre-sales support for resellers, system integrators and technology partners. Become a partner Security and procurementCertificates, references and company records for your vendor review. Company details EngineersBuild the product, and answer the people who run it. Careers

Talks and events

Where you may have met us

All events

Devnot Tech Leaders Summit banner listing Digital Cosmonot as gold sponsor, 27 February, Radisson Blu Şişli.
Devnot Tech Leaders Summit 2025, gold sponsor

Evaluating G8, or evaluating us?

Product questions are answered on g8.dev and in the documentation. For commercial terms, due-diligence documents, references or partnerships, write to us.

hello@g8.dev Company details