Outline

Outline is an open-source team knowledge base and wiki with a fully featured RPC-style REST API for programmatically managing documents, collections, teams, users, groups, comments, shares, attachments, and importing or exporting organizational knowledge. The main application itself is built on the same API it exposes publicly.

agent ready

Real signal across most facets with visible, nameable gaps — the contract exists but is thin, or the portal is good while governance and commercial terms are absent.

travel_explore apis.io index code GitHub source public Website

API Evangelist profiles Outline the way a machine reads it — 197 machine-readable artifacts across 1 API, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.

Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Outline scores 39.8/100 (developing), with a separate agent-readiness read of 36/100 (agent ready). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.

Kin Score

This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance. Every facet and dimension name is a link: it opens that measurement's page on APIs.io, where the rating runs across the whole catalog — the exact checks that feed it, how every profiled provider distributes on it, and who is at the top of it.

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 39.8/100 · developing

Contract Quality 15.7 / 25

Developer Ergonomics 4.8 / 20

Access Clarity 10.0 / 20

Operational Transparency 3.4 / 13

Contract Governance 1.2 / 12

Discoverability 6.9 / 10

Agent readiness — 36/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract derived 2.5 / 10

Documented Reversibility 6.0 / 6

MCP Server 0 / 12

Machine-Readable Auth bearer 3.5 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples partial 3.5 / 7

Rate-Limit Signaling 7.0 / 7

Typed Event Surface 6 / 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

Delegated User Identity documented 3.0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Put this on your own site. The badge is drawn live from Outline's current Kin Score — paste it once and it updates itself every time the score is recomputed. It follows your visitor's light or dark setting, and it links back here so anyone who sees it can read the full breakdown.

<!-- Kin Score · API Evangelist -->
<a href="https://providers.apievangelist.com/providers/outline/"
   title="Outline on API Evangelist — API profile and Kin Score">
  <img src="https://apis.io/badge/outline.svg"
       alt="Outline Kin Score — API readiness rating by API Evangelist" width="150" height="150" loading="lazy">
</a>

[![Outline Kin Score — API readiness rating by API Evangelist](https://apis.io/badge/outline/flat.svg)](https://providers.apievangelist.com/providers/outline/)

<!-- Kin Score · API Evangelist -->
<a href="https://providers.apievangelist.com/providers/outline/"
   title="Outline on API Evangelist — API profile and Kin Score">
  <img src="https://apis.io/badge/outline/card.svg"
       alt="Outline Kin Score — API readiness rating by API Evangelist" width="340" height="120" loading="lazy">
</a>

More shapes, themes and sizes → · Score as JSON · How badges work

How we profile Outline

Each block below is one kind of artifact we hold for Outline. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.

APIs 18

Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.

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

Outline AccessRequests API

`AccessRequests` represent a request by a user for access to a document they do not currently have permission to view. The request can be approved or dismissed by a user with pe...

Outline Attachments API

`Attachments` represent a file uploaded to cloud storage. They are created before the upload happens from the client and store all the meta information such as file type, size, ...

Outline Auth API

`Auth` represents the current API Keys authentication details. It can be used to check that a token is still valid and load the IDs for the current user and workspace.

Outline Collections API

`Collections` represent grouping of documents in the knowledge base, they offer a way to structure information in a nested hierarchy and a level at which read and write permissi...

Outline Comments API

`Comments` represent a comment either on a selection of text in a document or on the document itself.

Outline DataAttributes API

`DataAttributes` represent custom metadata fields that can be attached to documents. They allow workspaces to add structured data like status, priority, or any other custom prop...

Outline Documents API

`Documents` are what everything else revolves around. A document represents a single page of information and always returns the latest version of the content. Documents are stor...

Outline Events API

`Events` represent an artifact of an action. Whether it is creating a user, editing a document, changing permissions, or any other action – an event is created that can be used ...

Outline FileOperations API

`FileOperations` represent background jobs for importing or exporting files. You can query the file operation to find the state of progress and any resulting output.

Outline Groups API

`Groups` represent a list of users that logically belong together, for example there might be groups for each department in your organization. Groups can be granted access to co...

Outline OAuthAuthentications API

`OAuthAuthentications` represent individual scoped authentications between Outline and an `OAuthClient`.

Outline OAuthClients API

`OAuthClients` represent OAuth clients that can be used to authenticate users with third-party services.

Outline Revisions API

`Revisions` represent a snapshot of a document at a point in time. They are used to keep track of editing and collaboration history – a document can also be restored to a previo...

Outline Shares API

`Shares` represent authorization to view a document without being a member of the workspace. Shares are created in order to give access to documents publicly. Each user that sha...

Outline Stars API

`Stars` represent a favorited document or collection in the application sidebar. Each user has their own collection of starred items.

Outline Templates API

`Templates` represent reusable document templates that can be used as a starting point when creating new documents. Templates can be scoped to a specific collection or available...

Outline Users API

`Users` represent an individual with access to the knowledge base. Users can be created automatically when signing in with SSO or when a user is invited via email.

Outline Views API

`Views` represent a compressed record of an individual users views of a document. Individual views are not recorded but a first, last and total is kept per user.

Scroll within the panel for all 18 ·

Open Collections 19

Open, tool-agnostic collections carry the same runnable value as Postman without locking you to one client — the portable, forkable form of the same exercise.

Pricing Plans 1

Pricing is part of the interface. Machine-readable plans tell you what a tier costs and includes before you commit — one of the things the Kin Score reads for access clarity — renamed from commercial clarity in rubric 0.12, because a free statutory interface has access terms and no commercial ones.

Published pricing tiers and plan structures.

Outline Plans Pricing

4 plans

PLANS

Rate Limits 1

Rate limits are the difference between a demo that works and a production integration that doesn't fall over. Publishing them is an operational-transparency signal — and a hard requirement for any agent that plans its own throughput.

Documented rate limits and quota policies.

Outline Rate Limits

0 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals let a buyer model the financial operations of an API before it's live. We profile them for the same reason we profile pricing: the money is part of the contract.

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

Outline Finops

FINOPS

Semantic Vocabularies 2

JSON-LD contexts give the data shared meaning across APIs. We profile them because semantics are what let a machine reconcile 'customer' here with 'customer' somewhere else.

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

Outline Api Context

0 classes · 0 properties

JSON-LD

Outline Context

16 classes · 0 properties

JSON-LD

13 properties

JSON SCHEMA

SearchResult

5 properties

JSON SCHEMA

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.

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

Outline Authentication

http/oauth2 · 2 schemes

SECURITY

Outline Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes are the vocabulary of least-privilege access. Profiling them shows exactly what an integration — or an agent acting on a user's behalf — is allowed to do.

OAuth scopes governing access to this provider's APIs.

Outline Scopes

2 scopes · authorizationCode

2 scopes

SCOPES

Agentic Access 1

An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.

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

Outline Agentic Access

112 operations · 112 acting · 1 human-in-the-loop

112 operations · 112 acting

AGENTIC

Resources

Every other property we hold for Outline — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

OpenAPI

OpenAPI

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Webhooks

Webhooks

Build 2

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

GitHubRepository

GitHubRepository

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

OAuthScopes

OAuthScopes

Operate 4

Status, limits, changes, and where to get help

IssueTracker

ChangeLog

Status

RateLimits

Commercial 4

Pricing, plans, and the legal terms of use

License

Pricing

Plans

FinOps

Company 2

The organization behind the API

Website

Website

Blog

Blog

← All providers · Data indexed from github.com/api-evangelist/outline · machine-readable index on apis.io

Where this information came from

This is an independent, third-party profile of Outline, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.

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