Google Cloud Storage website screenshot

Google Cloud Storage

Object storage service offering high durability, availability, and scalability for storing and accessing data on Google Cloud Platform.

Google Cloud Storage publishes 5 APIs on the APIs.io network, including BucketAccessControls API, Buckets API, DefaultObjectAccessControls API, and 2 more. Tagged areas include Archival, Backup, Blob Storage, Cloud Storage, and Data.

The Google Cloud Storage catalog on APIs.io includes 2 JSON-LD contexts and 2 Spectral governance rulesets.

Google Cloud Storage’s developer surface includes authentication, getting-started guide, developer console, engineering blog, changelog, API reference, CLI, and 14 more developer resources.

53.4/100 developing ▬ flat Agent 33/100 agent ready saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0
AccessFreemiumSelf serve⚡ Free to try
1 APIs 7 Features 4 Use Cases
ArchivalBackupBlob StorageCloud StorageDataFile StorageGoogle CloudObject StorageStorage

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0
Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.
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 github.com/api-evangelist/gcp-cloud-storage: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 6

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

Google Cloud Storage XML API

Amazon S3-compatible XML API for Google Cloud Storage.

Google Cloud Storage BucketAccessControls API

Operations for managing bucket-level access control lists

Google Cloud Storage Buckets API

Operations for managing Cloud Storage buckets

Google Cloud Storage DefaultObjectAccessControls API

Operations for managing default object access controls on buckets

Google Cloud Storage ObjectAccessControls API

Operations for managing object-level access control lists

Google Cloud Storage Objects API

Operations for managing objects within Cloud Storage buckets

Postman Collections 5

Ready-to-run Postman collections for exercising this provider's APIs.

Open Collections 7

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

API Collection

OPEN COLLECTION

Scroll for all 7

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Gcp Cloud Storage Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Features 7

Notable capabilities this provider offers.

Multi-Regional Storage

Store data across multiple regions for high availability and low-latency access worldwide.

Object Lifecycle Management

Automatically transition objects between storage classes or delete them based on configurable rules.

Versioning

Maintain multiple versions of objects for data protection and recovery.

Fine-Grained Access Control

Control access using IAM policies, ACLs, and signed URLs for secure data sharing.

Object Composition

Compose multiple objects into a single object without downloading and re-uploading data.

Change Notifications

Watch for changes to objects in a bucket and receive push notifications.

Retention Policies

Lock retention policies to prevent object deletion for regulatory compliance.

Scroll for all 7

Semantic Vocabularies 2

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

Gcp Cloud Storage Context

0 classes · 6 properties

JSON-LD

Gcp Cloud Storage Json Context

0 classes · 0 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

Google Cloud Storage API Rules

6 rules · 4 warnings 2 info

SPECTRAL

Google Cloud Storage API Rules

19 rules · 8 errors 10 warnings 1 info

SPECTRAL

JSON Schema 12

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

Google Cloud Storage Bucket

30 properties

JSON SCHEMA

BucketAccessControl

11 properties

JSON SCHEMA

BucketList

3 properties

JSON SCHEMA

Bucket

30 properties

JSON SCHEMA

Channel

10 properties

JSON SCHEMA

ComposeRequest

2 properties

JSON SCHEMA

Error

1 properties

JSON SCHEMA

ObjectAccessControl

13 properties

JSON SCHEMA

ObjectList

4 properties

JSON SCHEMA

Object

34 properties

JSON SCHEMA

Policy

5 properties

JSON SCHEMA

RewriteResponse

5 properties

JSON SCHEMA

Scroll for all 12

JSON Structure 11

JSON Structure definitions describing this provider's data shapes.

Gcp Cloud Storage Json Bucket Structure

30 properties

JSON STRUCTURE

Gcp Cloud Storage Json Channel Structure

10 properties

JSON STRUCTURE

Gcp Cloud Storage Json Error Structure

1 properties

JSON STRUCTURE

Gcp Cloud Storage Json Object Structure

34 properties

JSON STRUCTURE

Gcp Cloud Storage Json Policy Structure

5 properties

JSON STRUCTURE

Scroll for all 11

Examples 11

Example request and response payloads for these APIs.

Scroll for all 11

Security Posture 3

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

Gcp Cloud Storage Authentication

http/oauth2 · 2 schemes

SECURITY

Gcp Cloud Storage Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Gcp Cloud Storage Vulnerability Disclosure

security.txt · contact published

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Gcp Cloud Storage Scopes

5 scopes · authorizationCode

5 scopes

SCOPES

Agentic Access 1

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

Gcp Cloud Storage Agentic Access

38 operations · 26 acting · 13 human-in-the-loop

38 operations · 26 acting

AGENTIC

Use Cases 4

What developers build with this provider.

Data Lake Storage

Store structured and unstructured data at scale for analytics and machine learning pipelines.

Backup and Disaster Recovery

Store backups with configurable retention and cross-region replication for business continuity.

Static Website Hosting

Serve static web content directly from Cloud Storage buckets with custom domains.

Media Content Delivery

Store and serve media assets with CDN integration for low-latency content delivery.

Resources

Get Started 2

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

Build 4

SDKs, sample code, and the tooling you integrate with

Access & Security 6

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Company 2

The organization behind the API

Other 2

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
name: Google Cloud Storage
description: Object storage service offering high durability, availability, and scalability for storing and accessing data
  on Google Cloud Platform.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
specificationVersion: '0.23'
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://cloud.google.com/images/social-icon-google-cloud-1200-630.png
url: https://cloud.google.com/storage
created: '2024-01-01'
modified: '2026-05-19'
tags:
- Archival
- Backup
- Blob Storage
- Cloud Storage
- Data
- File Storage
- Google Cloud
- Object Storage
- Storage
apis:
- name: Google Cloud Storage XML API
  description: Amazon S3-compatible XML API for Google Cloud Storage.
  image: https://cloud.google.com/images/storage/storage-icon.svg
  humanURL: https://cloud.google.com/storage/docs/xml-api
  baseURL: https://storage.googleapis.com
  tags:
  - S3 Compatible
  - XML
  - Interoperability
  properties:
  - type: Documentation
    url: https://cloud.google.com/storage/docs/xml-api/overview
  - type: Authentication
    url: https://cloud.google.com/storage/docs/authentication/hmackeys
  - type: APIReference
    url: https://cloud.google.com/storage/docs/xml-api/reference-methods
  - type: Pricing
    url: https://cloud.google.com/storage/pricing
  - type: RateLimits
    url: https://cloud.google.com/storage/quotas
  - type: TermsOfService
    url: https://cloud.google.com/terms
  contact:
  - type: Support
    url: https://cloud.google.com/storage/docs/getting-support
- aid: gcp-cloud-storage:gcp-cloud-storage-bucketaccesscontrols-api
  name: Google Cloud Storage BucketAccessControls API
  description: Operations for managing bucket-level access control lists
  humanURL: https://cloud.google.com/storage/docs/json_api
  baseURL: https://storage.googleapis.com/storage/v1
  tags:
  - BucketAccessControls
  properties:
  - type: OpenAPI
    url: openapi/gcp-cloud-storage-bucketaccesscontrols-api-openapi.yml
  - type: Documentation
    url: https://cloud.google.com/storage/docs/json_api
  - type: Authentication
    url: https://cloud.google.com/storage/docs/authentication
  - type: Pricing
    url: https://cloud.google.com/storage/pricing
  - type: RateLimits
    url: https://cloud.google.com/storage/quotas
  - type: StatusPage
    url: https://status.cloud.google.com/
  - type: TermsOfService
    url: https://cloud.google.com/terms
  - type: APIReference
    url: https://cloud.google.com/storage/docs/json_api/v1
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-bucket-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-access-control-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-list-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-channel-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-compose-request-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-error-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-access-control-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-list-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-policy-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-rewrite-response-schema.json
  - type: JSONLD
    url: json-ld/gcp-cloud-storage-context.jsonld
  - type: JSONLD
    url: json-ld/gcp-cloud-storage-json-context.jsonld
- aid: gcp-cloud-storage:gcp-cloud-storage-buckets-api
  name: Google Cloud Storage Buckets API
  description: Operations for managing Cloud Storage buckets
  humanURL: https://cloud.google.com/storage/docs/json_api
  baseURL: https://storage.googleapis.com/storage/v1
  tags:
  - Buckets
  properties:
  - type: OpenAPI
    url: openapi/gcp-cloud-storage-buckets-api-openapi.yml
  - type: Documentation
    url: https://cloud.google.com/storage/docs/json_api
  - type: Authentication
    url: https://cloud.google.com/storage/docs/authentication
  - type: Pricing
    url: https://cloud.google.com/storage/pricing
  - type: RateLimits
    url: https://cloud.google.com/storage/quotas
  - type: StatusPage
    url: https://status.cloud.google.com/
  - type: TermsOfService
    url: https://cloud.google.com/terms
  - type: APIReference
    url: https://cloud.google.com/storage/docs/json_api/v1
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-bucket-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-access-control-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-list-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-channel-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-compose-request-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-error-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-access-control-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-list-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-policy-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-rewrite-response-schema.json
  - type: JSONLD
    url: json-ld/gcp-cloud-storage-context.jsonld
  - type: JSONLD
    url: json-ld/gcp-cloud-storage-json-context.jsonld
- aid: gcp-cloud-storage:gcp-cloud-storage-defaultobjectaccesscontrols-api
  name: Google Cloud Storage DefaultObjectAccessControls API
  description: Operations for managing default object access controls on buckets
  humanURL: https://cloud.google.com/storage/docs/json_api
  baseURL: https://storage.googleapis.com/storage/v1
  tags:
  - DefaultObjectAccessControls
  properties:
  - type: OpenAPI
    url: openapi/gcp-cloud-storage-defaultobjectaccesscontrols-api-openapi.yml
  - type: Documentation
    url: https://cloud.google.com/storage/docs/json_api
  - type: Authentication
    url: https://cloud.google.com/storage/docs/authentication
  - type: Pricing
    url: https://cloud.google.com/storage/pricing
  - type: RateLimits
    url: https://cloud.google.com/storage/quotas
  - type: StatusPage
    url: https://status.cloud.google.com/
  - type: TermsOfService
    url: https://cloud.google.com/terms
  - type: APIReference
    url: https://cloud.google.com/storage/docs/json_api/v1
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-bucket-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-access-control-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-list-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-channel-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-compose-request-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-error-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-access-control-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-list-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-policy-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-rewrite-response-schema.json
  - type: JSONLD
    url: json-ld/gcp-cloud-storage-context.jsonld
  - type: JSONLD
    url: json-ld/gcp-cloud-storage-json-context.jsonld
- aid: gcp-cloud-storage:gcp-cloud-storage-objectaccesscontrols-api
  name: Google Cloud Storage ObjectAccessControls API
  description: Operations for managing object-level access control lists
  humanURL: https://cloud.google.com/storage/docs/json_api
  baseURL: https://storage.googleapis.com/storage/v1
  tags:
  - ObjectAccessControls
  properties:
  - type: OpenAPI
    url: openapi/gcp-cloud-storage-objectaccesscontrols-api-openapi.yml
  - type: Documentation
    url: https://cloud.google.com/storage/docs/json_api
  - type: Authentication
    url: https://cloud.google.com/storage/docs/authentication
  - type: Pricing
    url: https://cloud.google.com/storage/pricing
  - type: RateLimits
    url: https://cloud.google.com/storage/quotas
  - type: StatusPage
    url: https://status.cloud.google.com/
  - type: TermsOfService
    url: https://cloud.google.com/terms
  - type: APIReference
    url: https://cloud.google.com/storage/docs/json_api/v1
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-bucket-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-access-control-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-list-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-channel-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-compose-request-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-error-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-access-control-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-list-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-policy-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-rewrite-response-schema.json
  - type: JSONLD
    url: json-ld/gcp-cloud-storage-context.jsonld
  - type: JSONLD
    url: json-ld/gcp-cloud-storage-json-context.jsonld
- aid: gcp-cloud-storage:gcp-cloud-storage-objects-api
  name: Google Cloud Storage Objects API
  description: Operations for managing objects within Cloud Storage buckets
  humanURL: https://cloud.google.com/storage/docs/json_api
  baseURL: https://storage.googleapis.com/storage/v1
  tags:
  - Objects
  properties:
  - type: OpenAPI
    url: openapi/gcp-cloud-storage-objects-api-openapi.yml
  - type: Documentation
    url: https://cloud.google.com/storage/docs/json_api
  - type: Authentication
    url: https://cloud.google.com/storage/docs/authentication
  - type: Pricing
    url: https://cloud.google.com/storage/pricing
  - type: RateLimits
    url: https://cloud.google.com/storage/quotas
  - type: StatusPage
    url: https://status.cloud.google.com/
  - type: TermsOfService
    url: https://cloud.google.com/terms
  - type: APIReference
    url: https://cloud.google.com/storage/docs/json_api/v1
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-bucket-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-access-control-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-bucket-list-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-channel-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-compose-request-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-error-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-access-control-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-list-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-object-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-policy-schema.json
  - type: JSONSchema
    url: json-schema/gcp-cloud-storage-json-rewrite-response-schema.json
  - type: JSONLD
    url: json-ld/gcp-cloud-storage-context.jsonld
  - type: JSONLD
    url: json-ld/gcp-cloud-storage-json-context.jsonld
common:
- type: Website
  url: https://www.google.com/
- type: CapabilityMap
  url: capabilities/gcp-cloud-storage-capability-edges.yml
  name: Google Cloud Storage Business Capability Map
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/google-cloud-storage/overview
- type: AgenticAccess
  url: agentic-access/gcp-cloud-storage-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/gcp-cloud-storage-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/gcp-cloud-storage-domain-security.yml
- type: Authentication
  url: authentication/gcp-cloud-storage-authentication.yml
- type: OAuthScopes
  url: scopes/gcp-cloud-storage-scopes.yml
- type: GitHubOrganization
  url: https://github.com/GoogleCloudPlatform
- type: GettingStarted
  url: https://cloud.google.com/storage/docs/quickstarts
- type: SDKs
  url: https://cloud.google.com/storage/docs/reference/libraries
- type: Console
  url: https://console.cloud.google.com/storage
- type: Blog
  url: https://cloud.google.com/blog/products/storage-data-transfer
- type: ChangeLog
  url: https://cloud.google.com/storage/docs/release-notes
- type: BestPractices
  url: https://cloud.google.com/storage/docs/best-practices
- type: Security
  url: https://cloud.google.com/storage/docs/security
- type: Compliance
  url: https://cloud.google.com/security/compliance
- type: APIReference
  url: https://cloud.google.com/storage/docs/apis
- type: CLI
  url: https://cloud.google.com/storage/docs/discover-object-storage-gsutil
- type: SpectralRules
  url: rules/gcp-cloud-storage-spectral-rules.yml
- type: Vocabulary
  url: vocabulary/gcp-cloud-storage-vocabulary.yaml
- type: Features
  data:
  - name: Multi-Regional Storage
    description: Store data across multiple regions for high availability and low-latency access worldwide.
  - name: Object Lifecycle Management
    description: Automatically transition objects between storage classes or delete them based on configurable rules.
  - name: Versioning
    description: Maintain multiple versions of objects for data protection and recovery.
  - name: Fine-Grained Access Control
    description: Control access using IAM policies, ACLs, and signed URLs for secure data sharing.
  - name: Object Composition
    description: Compose multiple objects into a single object without downloading and re-uploading data.
  - name: Change Notifications
    description: Watch for changes to objects in a bucket and receive push notifications.
  - name: Retention Policies
    description: Lock retention policies to prevent object deletion for regulatory compliance.
- type: UseCases
  data:
  - name: Data Lake Storage
    description: Store structured and unstructured data at scale for analytics and machine learning pipelines.
  - name: Backup and Disaster Recovery
    description: Store backups with configurable retention and cross-region replication for business continuity.
  - name: Static Website Hosting
    description: Serve static web content directly from Cloud Storage buckets with custom domains.
  - name: Media Content Delivery
    description: Store and serve media assets with CDN integration for low-latency content delivery.
- type: Integrations
  data:
  - name: BigQuery
    description: Load data directly from Cloud Storage into BigQuery for analytics and data warehousing.
  - name: Cloud Functions
    description: Trigger serverless functions on object creation, deletion, or metadata changes.
  - name: Dataflow
    description: Process data stored in Cloud Storage using Apache Beam pipelines.
  - name: Transfer Service
    description: Transfer data between on-premises storage, other clouds, and Cloud Storage.
  - name: Cloud CDN
    description: Cache and serve Cloud Storage content through Google's global edge network.
- type: Integrations
  url: https://cloud.google.com/marketplace
integrations:
- name: Become a Partner
maintainers:
- name: Kin Lane
  email: kin@apievangelist.com
  url: https://apievangelist.com

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