Ogen website screenshot

Ogen

Ogen is a high-performance Go code generator that produces type-safe HTTP clients and servers from OpenAPI v3 specifications with validation, middleware, and observability built in.

Ogen publishes 1 API on the APIs.io network. Tagged areas include Code Generation, Go, OpenAPI, and SDKs.

Ogen’s developer surface includes documentation and 3 more developer resources.

🌐 Visit website 📡 Source on GitHub
18.5/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemium
1 APIs
Code GenerationGoOpenAPISDKs

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 18.5/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 1.7 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 4.1 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/ogen: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Ogen

Ogen is a high-performance Go code generator that produces type-safe HTTP clients and servers from OpenAPI v3 specifications with validation, middleware, and observability built...

Pricing Plans 1

Published pricing tiers and plan structures.

Ogen Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Ogen Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Ogen Finops

FINOPS

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Ogen Domain Security

TLSv1.3

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 1

The organization behind the API

Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: ogen
name: Ogen
description: Ogen is a high-performance Go code generator that produces type-safe HTTP clients and servers from OpenAPI v3
  specifications with validation, middleware, and observability built in.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/ogen.png
tags:
- Code Generation
- Go
- OpenAPI
- SDKs
url: https://raw.githubusercontent.com/api-evangelist/ogen/refs/heads/main/apis.yml
created: '2026-03-25'
modified: '2026-04-28'
specificationVersion: '0.19'
apis:
- aid: ogen:ogen
  name: Ogen
  description: Ogen is a high-performance Go code generator that produces type-safe HTTP clients and servers from OpenAPI
    v3 specifications with validation, middleware, and observability built in.
  humanURL: https://ogen.dev
  tags:
  - Code Generation
  - Go
  - OpenAPI
  - SDKs
  properties:
  - type: Documentation
    url: https://ogen.dev/docs/intro
  - type: GettingStarted
    url: https://ogen.dev/docs/intro
  - type: GitHubRepository
    url: https://github.com/ogen-go/ogen
common:
- type: DomainSecurity
  url: security/ogen-domain-security.yml
- type: Website
  url: https://ogen.dev
- type: Documentation
  url: https://ogen.dev/docs/intro
- type: GitHubOrganization
  url: https://github.com/ogen-go/ogen
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com