API References - DeveloperHub
API References

API docs developers
actually love.

Generate beautiful, interactive API references from your OpenAPI spec. Live playground, visual editor, multi-language code snippets, and CI/CD auto-updates — all included.

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Generate

From spec to beautiful
reference in seconds.

Import your OpenAPI definition and get a fully expanded, human-friendly API reference — complete with auto-generated code examples.

API References

OpenAPI 3.2 & Swagger

Import your OpenAPI 2, 3, 3.1, or 3.2 spec and instantly get a fully expanded, beautiful API reference. Full support for oneOf/allOf/anyOf, callbacks, constraints, multiple hosts, webhooks, and OAuth flows.

  • OpenAPI 2, 3, 3.1, 3.2 & Swagger
  • Webhooks, OAuth flows & callbacks (OAS 3.1+)
  • Fully expanded for clarity & simplicity
  • Unlimited API references per version
POST /v1/users Create a user
GET /v1/users/{id} Get user by ID
PUT /v1/users/{id} Update a user
DEL /v1/users/{id} Delete a user
GET /v1/orders List all orders
10+ Languages

Auto-generated Code Examples

Every endpoint comes with ready-to-copy code examples auto-generated from your spec. No manual writing — just import your OpenAPI definition and readers get working code instantly.

  • cURL, Python, JS, Go, Ruby, Java & more
  • Auth headers pre-populated from your spec
  • Request & response examples side-by-side
cURL Python Node.js Go
curl -X GET \
'https://api.example.com/v1/users/usr_123' \
-H 'Authorization: Bearer sk_live_•••••' \
-H 'Accept: application/json'
200 OK Copy
"id": "usr_123",
"email": "dev@example.com",
"plan": "grow"
Try It Live

Let developers test
without leaving the docs.

Cut integration time in half. An interactive playground and unified search mean readers go from reading to running in seconds.

Try it live

API Playground

Let users try your API directly from the reference page — headers, params, and OAuth flows pre-populated from your OpenAPI spec. Live responses shown instantly. No postman required.

  • Pre-populated from your OpenAPI spec
  • OAuth 2.0 flows & Bearer auth built in
  • Live responses with status, headers & timing
  • Personalised auth — readers use their own keys
API Playground
GET /v1/users/usr_123
Authorization: Bearer sk_live_•••••
Send Request
200 OK 142ms
{
  "id": "usr_123",
  "email": "dev@example.com",
  "plan": "grow"
}
Unified Experience

Integrated User Guides

Deep-link API operations directly from your written guides so readers never switch platforms. One unified search bar covers guides, API operations, and code steps — all at once.

  • Deep-link any API operation from any guide page
  • One search bar across guides & API references
  • Unified navigation — no context switching
  • Guides & API refs live side-by-side in one portal
Guides
Authentication Overview
Using Bearer Tokens
API Reference
POST /v1/auth/token
DEL /v1/auth/revoke
Edit & Keep Fresh

Your API ref, always
up to date.

Edit specs visually, push updates via CI/CD, and let your pipeline keep readers on the latest version automatically.

API Editor

Visual OpenAPI Editor

Edit OpenAPI specs without knowing the spec. A low-learning-curve visual editor plus a VSCode-powered text editor with linting, autocomplete, and go-to-definition.

/users
GET /users/{id}
POST /users
/orders
MethodGET
SummaryGet user by ID
Tagusers
Always Fresh

CI/CD Auto-updates

Push your OpenAPI definition through our API on every build. Your CI/CD pipeline notifies DeveloperHub and readers always get the latest version — zero manual steps.

Pipeline
$ curl -X POST \
https://api.developerhub.io/v1/apis/upload \
--data-binary @openapi.yaml
API reference updated — v2.5.0
Live at docs.yourcompany.com/api
Docs as Code

GitHub Sync

Store your OpenAPI spec and docs content in GitHub. Push a commit and DeveloperHub syncs automatically — every branch, every PR, every release.

Terminal
$ git commit -m "feat: add /v1/webhooks endpoint"
$ git push origin main
3 API endpoints synced
Live at docs.yourcompany.com
Product Updates

API Changelogs

Keep developers informed about breaking changes, new endpoints, and deprecations. AI drafts release notes from your spec diffs automatically.

New v2.5.0 Apr 28, 2026
Webhooks & /v1/events endpoint
Breaking v2.4.0 Mar 10, 2026
Auth header renamed to Bearer
RSS feed available
And More

Everything developers
expect, already there.

No plugins, no add-ons. Every API tooling feature ships with DeveloperHub out of the box.

Auth Personalisation

Readers enter their own API keys once; all playground calls and code snippets update automatically.

Unlimited References

No caps. Host as many OpenAPI definitions as you need — one per microservice, one per version, all in one portal.

Webhooks & Callbacks

Full OAS 3.1 & 3.2 support for webhook definitions and async callback flows rendered beautifully.

Search Analytics

See which endpoints developers can't find and where they get stuck — fix gaps before they open tickets.

Private API Docs

Gate internal API references behind SSO, magic links, or JWT — no developer effort needed.

Dark Theme

Developers love dark mode. Ship a portal that auto-respects system preferences out of the box.

Custom Domain & Brand

Your logo, colours, fonts, and domain. Complete white-label — zero DeveloperHub branding.

OpenAPI 2, 3 & 3.1 Supported
10+ Code Example Languages
4.8★ Rated on G2
14-day Free Trial — No Card Required
"3 projects later, we confirm that DeveloperHub is THE choice for API documentation. It helps us effortlessly create and keep our evolving API reference up-to-date — backed by world-class support."
VM
Victor Martin
Chief Technology Officer, iBroker

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Join thousands of teams delivering beautiful, interactive API references with DeveloperHub.