Apple CloudKit

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 environment is development or production. Operations include records lookup, query, modify, delete, zone create/list/delete, subscription create/list/delete, asset upload, user info and changes. Calls are authenticated using an API token for user-authenticated access (with ckWebAuthToken) or a server-to-server ECDSA key for backend access.

GitHub

Documentation

📖
Documentation
https://developer.apple.com/library/archive/documentation/DataManagement/Conceptual/CloudKitWebServicesReference/index.html

Other Resources

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Setup
https://developer.apple.com/library/archive/documentation/DataManagement/Conceptual/CloudKitWebServicesReference/SettingUpWebServices.html
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API Tokens
https://developer.apple.com/documentation/cloudkit/obtaining-an-api-token-for-an-icloud-container
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APIsJSON
https://raw.githubusercontent.com/api-evangelist/cloudkit/refs/heads/main/apis.yml

API entry from apis.yml

apis.yml Raw ↑ 
aid: cloudkit:web-services
name: CloudKit Web Services
tags:
- REST
- Records
- Zones
- Subscriptions
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
baseURL: https://api.apple-cloudkit.com/database/1
humanURL: https://developer.apple.com/library/archive/documentation/DataManagement/Conceptual/CloudKitWebServicesReference/index.html
properties:
- url: https://developer.apple.com/library/archive/documentation/DataManagement/Conceptual/CloudKitWebServicesReference/index.html
  type: Documentation
- url: https://developer.apple.com/library/archive/documentation/DataManagement/Conceptual/CloudKitWebServicesReference/SettingUpWebServices.html
  type: Setup
- url: https://developer.apple.com/documentation/cloudkit/obtaining-an-api-token-for-an-icloud-container
  type: API Tokens
description: 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 environment is development or production. Operations
  include records lookup, query, modify, delete, zone create/list/delete, subscription create/list/delete,
  asset upload, user info and changes. Calls are authenticated using an API token for user-authenticated
  access (with ckWebAuthToken) or a server-to-server ECDSA key for backend access.