Apple CloudKit
Apple CloudKit is the cloud backend for iOS, iPadOS, macOS, tvOS, watchOS, visionOS, and the web. CloudKit Web Services is the public REST surface that lets non-Apple-platform clients (web apps, servers) read and write data into a CloudKit container's public, private, or shared database. The web service is hosted at api.apple-cloudkit.com and accepts either an API token (for end-user-authenticated access) or a server-to- server ECDSA key for backend access. Operations cover records, zones, subscriptions, assets, users, and database changes.
Limited machine-readable signal and partial portal coverage — documentation a human can read, but little a machine or agent can consume without scraping.
API Evangelist profiles Apple CloudKit the way a machine reads it — 16 machine-readable artifacts across 10 APIs, 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 — Apple CloudKit scores 34.1/100 (thin), with a separate agent-readiness read of 41/100 (agent aware). 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.
Kin Score
How this is scored →scored 2026-07-27 · rubric v0.5
How we profile Apple CloudKit
Each block below is one kind of artifact we hold for Apple CloudKit. 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 10
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.
CloudKit Web Services
The CloudKit Web Services REST API is structured as /database/1/{container}/{environment}/{database}/{operation}, where database is one of public, private, or shared and environ...
CloudKit JS
CloudKit JS is Apple's JavaScript SDK that wraps the CloudKit Web Services REST API for browser apps. It provides Sign in with Apple authentication, container/database/zone acce...
CloudKit Framework
The native CloudKit framework for iOS, iPadOS, macOS, tvOS, watchOS, and visionOS. Provides programmatic access to CloudKit containers, records, zones, subscriptions, and sharin...
Apple CloudKit Assets API
The Assets API from Apple CloudKit — 2 operation(s) for assets.
Apple CloudKit Changes API
The Changes API from Apple CloudKit — 2 operation(s) for changes.
Apple CloudKit Records API
The Records API from Apple CloudKit — 6 operation(s) for records.
Apple CloudKit Subscriptions API
The Subscriptions API from Apple CloudKit — 3 operation(s) for subscriptions.
Apple CloudKit Tokens API
The Tokens API from Apple CloudKit — 2 operation(s) for tokens.
Apple CloudKit Users API
The Users API from Apple CloudKit — 4 operation(s) for users.
Apple CloudKit Zones API
The Zones API from Apple CloudKit — 4 operation(s) for zones.
Scroll within the panel for all 10 ·
Open Collections 1
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.
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Apple CloudKit Web Services
OPEN COLLECTIONSemantic Vocabularies 1
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.
Cloudkit Context
JSON-LDSpectral Rules 1
Governance rulesets we run against this provider's specs — the automated checks behind parts of the score. Profiling them makes the quality bar explicit and re-runnable, not a matter of opinion.
Apple CloudKit API Rules
SPECTRALSecurity 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.
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.
Resources
Every other property we hold for Apple CloudKit — 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.
Get Started 1
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 2
Pagination, idempotency, versioning, errors, and events
Access & Security 2
Authentication, authorization, and security posture
Commercial 1
Pricing, plans, and the legal terms of use
Company 1
The organization behind the API
Other 1
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/cloudkit · machine-readable index on apis.io