LinkAce

LinkAce is an open-source, self‑hosted bookmark archive that lets users save, organize, and share web links. It offers features like tagging, lists, multi‑user support with SSO, automatic archiving via the Internet Archive, and a REST API for full integration. The platform is available via Docker, Kubernetes, or direct PHP installation and supports 15 languages.

LinkAce publishes 9 API contracts indexed on the APIs.io network, including Bulk API, General API, Links API, and 6 more. Tagged areas include Company, OpenSource, Bookmarking, SelfHosted, and API.

The LinkAce catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

LinkAce’s developer surface includes changelog, authentication, documentation, API reference, getting-started guide, support, engineering blog, and 14 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

33.9/100 thin Agent 34/100 agent ready Full breakdown ↓
scored 2026-10-31 · rubric v0.25.0 · Show this score on your site →

1 published contract 3 Agent Skills

CompanyOpenSourceBookmarkingSelfHostedAPI

Kin Score

Kin Score How this is scored →
scored 2026-10-31 · rubric v0.25.0

Composite quality — 33.9/100 · thin

Contract Quality 10.1 / 21

Developer Ergonomics 8.4 / 17

Access Clarity 0.0 / 17

Operational Transparency 2.3 / 11

Contract Governance 2.2 / 10

Discoverability 5.6 / 9

Regulatory Posture 2.5 / 15

Agent readiness — 34/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 4 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented)
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document

6 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Access Clarity scores 0.0 — up to +20.0 composite points
Contract Quality scores 47.3 — up to +13.2 composite points
Operational Transparency scores 21.1 — up to +10.3 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/linkace/apis.yml: open an issue on github.com/api-evangelist/linkace to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 9

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

LinkAce API

LinkAce offers a REST API for all features, enabling programmatic access to bookmarks, tags, lists, and user management.

LinkAce Bulk API

The Bulk API from LinkAce — 4 operation(s) for bulk.

LinkAce General API

The General API from LinkAce — 1 operation(s) for general.

LinkAce Links API

The Links API from LinkAce — 4 operation(s) for links.

LinkAce Lists API

The Lists API from LinkAce — 4 operation(s) for lists.

LinkAce Notes API

The Notes API from LinkAce — 3 operation(s) for notes.

LinkAce Search API

The Search API from LinkAce — 3 operation(s) for search.

LinkAce Tags API

The Tags API from LinkAce — 4 operation(s) for tags.

LinkAce Trash API

The Trash API from LinkAce — 6 operation(s) for trash.

Scroll for all 9

Agent Skills 3

Packaged agent skills for driving this provider's APIs from an AI assistant.

linkace-bulk-manage-links

AGENT SKILL

linkace-create-and-view-tag

AGENT SKILL

linkace-notes-create-and-list

AGENT SKILL

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Linkace Context

16 classes · 33 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

LinkAce API Rules

17 rules · 13 errors 3 warnings 1 info

SPECTRAL

JSON Schema 2

Standalone JSON Schema definitions for this provider's data models.

GetResponse

9 properties

JSON SCHEMA

PostApiV2LinksResponse

9 properties

JSON SCHEMA

Security Posture 2

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

Linkace Authentication

http · 1 scheme

SECURITY

Linkace Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Agentic Access 1

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

Linkace Agentic Access

38 operations · 21 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

AgentSkill

AgentSkill

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

DataModel

ErrorCatalog

Conformance

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 3

Status, limits, changes, and where to get help

ChangeLog

ChangeLog

ChangeLog

ChangeLog

Support

Support

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: linkace
name: LinkAce
image: https://www.linkace.org/images/linkace-social.jpg
description: LinkAce is an open-source, self‑hosted bookmark archive that lets users save, organize, and share web links.
  It offers features like tagging, lists, multi‑user support with SSO, automatic archiving via the Internet Archive, and a
  REST API for full integration. The platform is available via Docker, Kubernetes, or direct PHP installation and supports
  15 languages.
url: https://artifacts.apis.io/linkace/apis.yml
x-type: company
x-source: harvest:new-submission
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-29 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-28'
modified: '2026-10-28'
tags:
- Company
- OpenSource
- Bookmarking
- SelfHosted
- API
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/linkace-agentic-access.yml
- type: Spectral
  url: rules/linkace-rules.yml
- type: JSONLD
  url: json-ld/linkace-context.jsonld
- type: Vocabulary
  url: vocabulary/linkace-vocabulary.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DataModel
  url: data-model/linkace-data-model.yml
- type: ChangeLog
  url: changelog/linkace-changelog.yml
- type: ErrorCatalog
  url: errors/linkace-problem-types.yml
- type: Conformance
  url: conformance/linkace-conformance.yml
- type: Hosts
  url: hosts/linkace-hosts.yml
- type: Vendors
  url: vendors/linkace-vendors.yml
- type: GitHubOrganization
  url: https://github.com/Kovah
- type: ChangeLog
  url: https://www.linkace.org/docs/v2/general/changelog/
- type: Authentication
  url: authentication/linkace-authentication.yml
- type: DomainSecurity
  url: security/linkace-domain-security.yml
- type: Website
  url: https://www.linkace.org/
- type: Documentation
  url: https://www.linkace.org/docs/v2/
- type: APIReference
  url: https://www.linkace.org/api/
- type: GettingStarted
  url: https://www.linkace.org/docs/v2/getting-started/
- type: Support
  url: https://www.linkace.org/support
- type: Blog
  url: https://www.linkace.org/blog
apis:
- name: LinkAce API
  description: LinkAce offers a REST API for all features, enabling programmatic access to bookmarks, tags, lists, and user
    management.
  humanURL: https://www.linkace.org/docs/v2/api
  baseURL: https://www.linkace.org/api
  properties: []
  aid: linkace:linkace-api
- aid: linkace:linkace-bulk-api
  name: LinkAce Bulk API
  description: The Bulk API from LinkAce — 4 operation(s) for bulk.
  humanURL: https://www.linkace.org/docs/v2/api
  baseURL: https://www.linkace.org/api
  tags:
  - Bulk
  properties:
  - type: OpenAPI
    url: openapi/linkace-bulk-api-openapi.yml
- aid: linkace:linkace-general-api
  name: LinkAce General API
  description: The General API from LinkAce — 1 operation(s) for general.
  humanURL: https://www.linkace.org/docs/v2/api
  baseURL: https://www.linkace.org/api
  tags:
  - General
  properties:
  - type: OpenAPI
    url: openapi/linkace-general-api-openapi.yml
- aid: linkace:linkace-links-api
  name: LinkAce Links API
  description: The Links API from LinkAce — 4 operation(s) for links.
  humanURL: https://www.linkace.org/docs/v2/api
  baseURL: https://www.linkace.org/api
  tags:
  - Links
  properties:
  - type: OpenAPI
    url: openapi/linkace-links-api-openapi.yml
- aid: linkace:linkace-lists-api
  name: LinkAce Lists API
  description: The Lists API from LinkAce — 4 operation(s) for lists.
  humanURL: https://www.linkace.org/docs/v2/api
  baseURL: https://www.linkace.org/api
  tags:
  - Lists
  properties:
  - type: OpenAPI
    url: openapi/linkace-lists-api-openapi.yml
- aid: linkace:linkace-notes-api
  name: LinkAce Notes API
  description: The Notes API from LinkAce — 3 operation(s) for notes.
  humanURL: https://www.linkace.org/docs/v2/api
  baseURL: https://www.linkace.org/api
  tags:
  - Notes
  properties:
  - type: OpenAPI
    url: openapi/linkace-notes-api-openapi.yml
- aid: linkace:linkace-search-api
  name: LinkAce Search API
  description: The Search API from LinkAce — 3 operation(s) for search.
  humanURL: https://www.linkace.org/docs/v2/api
  baseURL: https://www.linkace.org/api
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/linkace-search-api-openapi.yml
- aid: linkace:linkace-tags-api
  name: LinkAce Tags API
  description: The Tags API from LinkAce — 4 operation(s) for tags.
  humanURL: https://www.linkace.org/docs/v2/api
  baseURL: https://www.linkace.org/api
  tags:
  - Tags
  properties:
  - type: OpenAPI
    url: openapi/linkace-tags-api-openapi.yml
- aid: linkace:linkace-trash-api
  name: LinkAce Trash API
  description: The Trash API from LinkAce — 6 operation(s) for trash.
  humanURL: https://www.linkace.org/docs/v2/api
  baseURL: https://www.linkace.org/api
  tags:
  - Trash
  properties:
  - type: OpenAPI
    url: openapi/linkace-trash-api-openapi.yml
x-submission-probe: 403, 2026-10-26
x-enrichment:
  date: '2026-10-29'
  status: enriched
  artifacts_added: 22
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

LinkAce API — frequently asked questions

Does LinkAce have an API?

Yes. APIs.io lists 9 APIs from LinkAce, including LinkAce API, LinkAce Bulk API and LinkAce General API, and 6 more.

Is there an OpenAPI specification for the LinkAce API?

Yes. APIs.io indexes 8 OpenAPI specifications for LinkAce, each linked for download from this page.

How do I authenticate with the LinkAce API?

LinkAce uses bearer-token authentication (http · 1 scheme). The details are profiled on APIs.io as Linkace Authentication.

Is the LinkAce API ready for AI agents?

LinkAce has a Kin Score of 33.9 out of 100 (thin) and an Agent Readiness score of 33.8 (agent-ready), scored by API Evangelist on 2026-10-31.

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