Nextcloud website screenshot

Nextcloud

Nextcloud is an open-source, self-hosted productivity platform offering file sync and share, collaboration, communication (Talk, Mail, Calendar, Contacts), and office (Nextcloud Office) features as a privacy-focused alternative to public cloud suites. Hosted in private datacenters or on-premises, Nextcloud is widely used by enterprises, governments, and individuals. The Nextcloud APIs include OCS REST APIs, WebDAV for file/folder operations, CalDAV/CardDAV, and an OpenAPI-described developer surface for apps and integrations.

Nextcloud publishes 4 APIs on the APIs.io network, including Autocomplete API, Capabilities API, DAV API, and 1 more. Tagged areas include File Sync, File Sharing, Collaboration, Self-Hosted, and Open Source.

Nextcloud’s developer surface includes authentication, documentation, pricing, signup flow, support, engineering blog, and 10 more developer resources.

🌐 Visit website 📡 Source on GitHub
30.6/100 thin ▬ flat Agent 28/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessSelf serve
6 APIs
File SyncFile SharingCollaborationSelf-HostedOpen SourceProductivityWebDAV

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 30.6/100 · thin
Contract Quality 13.6 / 25
Developer Ergonomics 5.2 / 20
Commercial Clarity 3.7 / 20
Operational Transparency 0.7 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 28/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 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/nextcloud: 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 6

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

Nextcloud OCS API

Open Collaboration Services REST API for managing shares, users, groups, capabilities, status, notifications, activities, and other Nextcloud server resources. Uses Basic Auth, ...

Nextcloud WebDAV API

WebDAV interface for files, folders, chunked uploads, trashbin, versions, comments, and search on a Nextcloud server. Provides the primary file-sync protocol used by Nextcloud d...

Nextcloud Autocomplete API

The Autocomplete API from Nextcloud — 1 operation(s) for autocomplete.

Nextcloud Capabilities API

The Capabilities API from Nextcloud — 1 operation(s) for capabilities.

Nextcloud DAV API

The DAV API from Nextcloud — 1 operation(s) for dav.

Nextcloud Users API

The Users API from Nextcloud — 2 operation(s) for users.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Nextcloud OCS API

OPEN COLLECTION

Security Posture 4

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

Nextcloud Authentication

http · 2 schemes

SECURITY

Nextcloud Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Nextcloud Vulnerability Disclosure

Hackerone

SECURITY

Nextcloud Trust Center

ISO 27001, PCI DSS, HIPAA, GDPR

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Nextcloud Agentic Access

5 operations · 1 acting

5 operations · 1 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Signup
Signup

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 Developer Manual
Developer Manual

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 2

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 GitHub Server
GitHub Server

Access & Security 4

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 1

Pricing, plans, and the legal terms of use

Pricing
Pricing

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

App Store
App Store

Source (apis.yml)

apis.yml Raw ↑ 
aid: nextcloud
name: Nextcloud
description: Nextcloud is an open-source, self-hosted productivity platform offering file sync and share, collaboration, communication
  (Talk, Mail, Calendar, Contacts), and office (Nextcloud Office) features as a privacy-focused alternative to public cloud
  suites. Hosted in private datacenters or on-premises, Nextcloud is widely used by enterprises, governments, and individuals.
  The Nextcloud APIs include OCS REST APIs, WebDAV for file/folder operations, CalDAV/CardDAV, and an OpenAPI-described developer
  surface for apps and integrations.
type: Index
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/nextcloud.png
tags:
- File Sync
- File Sharing
- Collaboration
- Self-Hosted
- Open Source
- Productivity
- WebDAV
url: https://raw.githubusercontent.com/api-evangelist/nextcloud/refs/heads/main/apis.yml
created: '2026-05-11'
modified: '2026-05-11'
specificationVersion: '0.19'
apis:
- aid: nextcloud:ocs-api
  name: Nextcloud OCS API
  description: Open Collaboration Services REST API for managing shares, users, groups, capabilities, status, notifications,
    activities, and other Nextcloud server resources. Uses Basic Auth, app passwords, or OAuth-style login flows; results
    returned as JSON or XML.
  humanURL: https://docs.nextcloud.com/server/latest/developer_manual/client_apis/OCS/ocs-api-overview.html
  baseURL: https://your-nextcloud.example/ocs/v2.php
  tags:
  - OCS
  - Shares
  - Users
  - Groups
  - Notifications
  properties:
  - type: Documentation
    url: https://docs.nextcloud.com/server/latest/developer_manual/client_apis/OCS/ocs-api-overview.html
  - type: OpenAPI Tutorial
    url: https://docs.nextcloud.com/server/latest/developer_manual/digging_deeper/api/openapi.html
- aid: nextcloud:webdav-api
  name: Nextcloud WebDAV API
  description: WebDAV interface for files, folders, chunked uploads, trashbin, versions, comments, and search on a Nextcloud
    server. Provides the primary file-sync protocol used by Nextcloud desktop and mobile clients.
  humanURL: https://docs.nextcloud.com/server/latest/developer_manual/client_apis/WebDAV/index.html
  baseURL: https://your-nextcloud.example/remote.php/dav
  tags:
  - WebDAV
  - Files
  - Sync
  - Chunked Upload
  properties:
  - type: Documentation
    url: https://docs.nextcloud.com/server/latest/developer_manual/client_apis/WebDAV/index.html
- aid: nextcloud:nextcloud-autocomplete-api
  name: Nextcloud Autocomplete API
  description: The Autocomplete API from Nextcloud — 1 operation(s) for autocomplete.
  humanURL: https://docs.nextcloud.com/server/latest/developer_manual/client_apis/OCS/ocs-api-overview.html
  baseURL: https://your-nextcloud.example/ocs/v2.php
  tags:
  - Autocomplete
  properties:
  - type: OpenAPI
    url: openapi/nextcloud-autocomplete-api-openapi.yml
- aid: nextcloud:nextcloud-capabilities-api
  name: Nextcloud Capabilities API
  description: The Capabilities API from Nextcloud — 1 operation(s) for capabilities.
  humanURL: https://docs.nextcloud.com/server/latest/developer_manual/client_apis/OCS/ocs-api-overview.html
  baseURL: https://your-nextcloud.example/ocs/v2.php
  tags:
  - Capabilities
  properties:
  - type: OpenAPI
    url: openapi/nextcloud-capabilities-api-openapi.yml
- aid: nextcloud:nextcloud-dav-api
  name: Nextcloud DAV API
  description: The DAV API from Nextcloud — 1 operation(s) for dav.
  humanURL: https://docs.nextcloud.com/server/latest/developer_manual/client_apis/OCS/ocs-api-overview.html
  baseURL: https://your-nextcloud.example/ocs/v2.php
  tags:
  - DAV
  properties:
  - type: OpenAPI
    url: openapi/nextcloud-dav-api-openapi.yml
- aid: nextcloud:nextcloud-users-api
  name: Nextcloud Users API
  description: The Users API from Nextcloud — 2 operation(s) for users.
  humanURL: https://docs.nextcloud.com/server/latest/developer_manual/client_apis/OCS/ocs-api-overview.html
  baseURL: https://your-nextcloud.example/ocs/v2.php
  tags:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/nextcloud-users-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/nextcloud-agentic-access.yml
- type: TrustCenter
  url: security/nextcloud-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/nextcloud-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/nextcloud-domain-security.yml
- type: Authentication
  url: authentication/nextcloud-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/nextcloud-gmbh
- type: Website
  url: https://nextcloud.com
- type: Documentation
  url: https://docs.nextcloud.com
- type: Developer Manual
  url: https://docs.nextcloud.com/server/latest/developer_manual/
- type: Pricing
  url: https://nextcloud.com/pricing/
- type: Signup
  url: https://nextcloud.com/sign-up/
- type: Support
  url: https://nextcloud.com/support/
- type: Blog
  url: https://nextcloud.com/blog/
- type: GitHubOrganization
  url: https://github.com/nextcloud
- type: GitHub Server
  url: https://github.com/nextcloud/server
- type: App Store
  url: https://apps.nextcloud.com
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com