Oapi-Codegen

oapi-codegen is an open source Go code generator that produces client and server boilerplate from OpenAPI 3.0 and 3.1 specifications with support for Echo, Chi, Gin, Gorilla/Mux, Iris, Fiber, and the standard library net/http router.

Oapi-Codegen publishes 1 API on the APIs.io network. Tagged areas include Code Generation, Developer Tools, Go, OpenAPI, and SDKs.

Oapi-Codegen’s developer surface includes documentation and 3 more developer resources.

🌐 Visit website 📡 Source on GitHub

20.4/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1

AccessFreemium

1 APIs

Code GenerationDeveloper ToolsGoOpenAPISDKsTooling

Kin Score

Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1

Composite quality — 20.4/100 · 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 5.9 / 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/oapi-codegen: 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.

Oapi-Codegen

Command-line tool and Go library that converts OpenAPI 3.0 and 3.1 specifications into Go server-side, client-side, and HTTP model code with support for multiple Go web frameworks.

Pricing Plans 1

Published pricing tiers and plan structures.

Oapi Codegen Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Oapi Codegen Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Oapi Codegen Finops

FINOPS

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrg

GitHubOrg

Company 1

The organization behind the API

Website

Website

Other 1

Properties that don't map to a standard resource type

GoDoc

GoDoc

Source (apis.yml)

aid: oapi-codegen
name: Oapi-Codegen
description: oapi-codegen is an open source Go code generator that produces client and server boilerplate from OpenAPI 3.0
  and 3.1 specifications with support for Echo, Chi, Gin, Gorilla/Mux, Iris, Fiber, and the standard library net/http router.
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
position: Producer
access: Open Source
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/oapi-codegen.png
tags:
- Code Generation
- Developer Tools
- Go
- OpenAPI
- SDKs
- Tooling
url: https://raw.githubusercontent.com/api-evangelist/oapi-codegen/refs/heads/main/apis.yml
created: '2026-03-25'
modified: '2026-04-28'
specificationVersion: '0.19'
apis:
- aid: oapi-codegen:oapi-codegen
  name: Oapi-Codegen
  description: Command-line tool and Go library that converts OpenAPI 3.0 and 3.1 specifications into Go server-side, client-side,
    and HTTP model code with support for multiple Go web frameworks.
  humanURL: https://github.com/oapi-codegen/oapi-codegen
  tags:
  - Code Generation
  - Developer Tools
  - Go
  - OpenAPI
  - Tooling
  properties:
  - type: Documentation
    url: https://github.com/oapi-codegen/oapi-codegen#readme
  - type: GettingStarted
    url: https://github.com/oapi-codegen/oapi-codegen#install
  - type: SourceCode
    url: https://github.com/oapi-codegen/oapi-codegen
  - type: GoDoc
    url: https://pkg.go.dev/github.com/oapi-codegen/oapi-codegen/v2/pkg/codegen
  - type: ConfigurationSchema
    url: https://raw.githubusercontent.com/oapi-codegen/oapi-codegen/v2.7.0/configuration-schema.json
  - type: ReleaseNotes
    url: https://github.com/oapi-codegen/oapi-codegen/releases
  - type: Issues
    url: https://github.com/oapi-codegen/oapi-codegen/issues
  - type: License
    url: https://github.com/oapi-codegen/oapi-codegen/blob/master/LICENSE
common:
- type: Website
  url: https://github.com/oapi-codegen/oapi-codegen
- type: Documentation
  url: https://github.com/oapi-codegen/oapi-codegen#readme
- type: GitHubOrg
  url: https://github.com/oapi-codegen
- type: GoDoc
  url: https://pkg.go.dev/github.com/oapi-codegen/oapi-codegen/v2
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com