Need API docs that stay synced with Git and OpenAPI

Yes — the usual way to keep API docs synced with Git and OpenAPI is to make OpenAPI the source of truth and generate both docs and checks from it.

Recommended setup

1) Store OpenAPI in Git

Keep your spec in the repo, for example:

/openapi/openapi.yaml
/docs

2) Generate docs from the spec

Use a docs tool that renders OpenAPI directly, such as:

• Redoc / Redocly
• Swagger UI
• Stoplight Elements
• Scalar

This way, docs update whenever the spec changes.

3) Validate in CI

Add CI checks to prevent drift:

• lint OpenAPI
• validate schema
• optionally compare implementation vs spec
• fail if spec is broken

Common tools:

• spectral
• openapi-cli
• redocly lint
• oasdiff

4) Generate server/client code if needed

If you want even tighter sync, generate code from OpenAPI:

• server stubs
• typed clients
• request/response models

That reduces manual mismatch.

5) Publish docs automatically

Typical flow:

• merge to main
• CI validates OpenAPI
• docs site rebuilds and deploys automatically

Best-practice architecture

Git repo
  ├── openapi.yaml   <- source of truth
  ├── app code
  └── CI pipeline
        ├── lint/validate OpenAPI
        ├── generate docs
        └── deploy docs

Good tool combos

Simple

• OpenAPI + Redoc
• CI: GitHub Actions
• Lint: Spectral

More full-featured

• OpenAPI + Redocly
• CI/CD + versioned docs + previews

Interactive developer portal

• OpenAPI + Stoplight
• good for design + docs + mocking

If you want zero drift

Use this rule:

1. nobody edits docs manually
2. docs are generated only from OpenAPI
3. CI blocks spec changes that aren’t valid
4. code generation is derived from the same spec

Example workflow

1. Developer edits openapi.yaml
2. CI runs validation
3. Docs are regenerated
4. Published docs always match repo state

If you want, I can give you:

• a GitHub Actions example
• a recommended folder structure
• or a full stack using Redocly + Spectral + OpenAPI