4K Garden

4K Garden (4K花园), legally Sikai Garden Network Technology (Guangzhou) Co., Ltd. (四开花园网络科技（广州）有限公司), is a Chinese ultra-high-definition video technology company founded in 2016 and headquartered in Guangzhou, Guangdong, with roughly 200 staff across Guangzhou and Beijing. It produces, aggregates and distributes 4K and 8K content, was among the first in China to run end-to-end UHD HDR live production over the public internet and 5G, operates large outdoor naked-eye 3D LED landmarks, builds 8K 3D VR capture systems and domestically-sourced UHD broadcast trucks, and sells 5G video ringtone services with the three national carriers. Its AI product, Diebian AI (蝶变 AI), is a credit-metered video super-resolution platform at fly4k.com, and is the only part of the business with a machine-readable API contract.

4K Garden publishes 5 API contracts indexed on the APIs.io network, including Auth Controller API, Customer Controller API, Enterprise Controller API, and 2 more. Tagged areas include Company, Video, Ultra High Definition, Media and Entertainment, and Content Distribution.

The 4K Garden catalog on APIs.io includes 1 Spectral governance ruleset.

4K Garden’s developer surface includes pricing, engineering blog, and 10 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

28.2/100 thin ▬ flat Agent 20/100 agent aware Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessPaidOpen

1 published contract 2 Agent Skills

Company VideoUltra High DefinitionMedia and Entertainment Content Distribution Live Streaming Artificial IntelligenceVideo Super ResolutionVirtual Reality China

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 28.2/100 · thin

Contract Quality 7.3 / 19

Developer Ergonomics 2.2 / 15

Access Clarity 5.5 / 15

Operational Transparency 0.0 / 10

Contract Governance 1.6 / 9

Discoverability 5.0 / 8

Regulatory Posture 2.3 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 20/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 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 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 0 / 5

Distinct Operations 0 / 3

MCP Tool Quality 6 / 6

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 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.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% 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
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
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
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document

9 more unmet checks in the Agent Readiness table above.

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

Developer Ergonomics scores 14.9 — up to +17.0 composite points
Contract Quality scores 38.7 — up to +15.3 composite points
Operational Transparency scores 0.0 — up to +13.0 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/4k-garden/apis.yml: open an issue on github.com/api-evangelist/4k-garden 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 →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Market	Position	Depth	Registered MCP server	Declares compatibility
XR & Graphics (XR, 3D, GPU graphics)	undeclared	-	-	-

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

OpenAPI

measured — observed by APIs.io (published)

APIs 5

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

4K Garden Auth Controller API

The auth-controller API from 4K Garden — 9 operation(s) for auth-controller.

4K Garden Customer Controller API

The customer-controller API from 4K Garden — 22 operation(s) for customer-controller.

4K Garden Enterprise Controller API

The enterprise-controller API from 4K Garden — 9 operation(s) for enterprise-controller.

4K Garden Frontend Controller API

The frontend-controller API from 4K Garden — 10 operation(s) for frontend-controller.

4K Garden Tvc Controller API

The tvc-controller API from 4K Garden — 8 operation(s) for tvc-controller.

Agent Skills 2

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

4k-garden-manage-enterprise-team

AGENT SKILL

4k-garden-upscale-a-video

AGENT SKILL

4K Garden API pricing

Prices published by 4K Garden.

Plan	Price
体验会员	CNY 99.0 Includes: 15000 credits
标准会员	CNY 500.0 Includes: 50000 credits
标准会员	CNY 2500.0 Includes: 275000 credits
标准会员	CNY 10000.0 Includes: 1200000 credits

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

4K Garden Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

4K Garden Rate Limits

0 limits

RATE LIMITS

Service Levels 1

Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.

4K Garden

SLA

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

4K Garden API Rules

48 rules · 40 errors 6 warnings 2 info

SPECTRAL

OpenAPI Overlays 1

Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.

4K Garden Diebian Ai Overlay

9 actions · documentation · 4k-garden-diebian-ai-openapi.json

GENERATED

Security Posture 2

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

4K Garden Authentication

0 schemes

SECURITY

4K Garden Domain Security

TLSv1.2 · DMARC

SECURITY

Resources

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgentSkill

AgentSkill

LLMsTxt

LLMsTxt

Build 1

SDKs, sample code, and the tooling you integrate with

Packages

Packages

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

Pricing

Pricing

Company 4

The organization behind the API

Website

About

Blog

Careers

Other 1

Properties that don't map to a standard resource type

Overlay

Overlay

Source (apis.yml)

aid: 4k-garden
name: 4K Garden
description: 4K Garden (4K花园), legally Sikai Garden Network Technology (Guangzhou) Co., Ltd. (四开花园网络科技（广州）有限公司), is a Chinese
  ultra-high-definition video technology company founded in 2016 and headquartered in Guangzhou, Guangdong, with roughly 200
  staff across Guangzhou and Beijing. It produces, aggregates and distributes 4K and 8K content, was among the first in China
  to run end-to-end UHD HDR live production over the public internet and 5G, operates large outdoor naked-eye 3D LED landmarks,
  builds 8K 3D VR capture systems and domestically-sourced UHD broadcast trucks, and sells 5G video ringtone services with
  the three national carriers. Its AI product, Diebian AI (蝶变 AI), is a credit-metered video super-resolution platform at
  fly4k.com, and is the only part of the business with a machine-readable API contract.
accessModel:
  pricing: paid
  onboarding: open
  trial: false
  try_now: false
  public: true
  gated: none
  gated_source:
  - onboarding
  label: Paid · Open access
  confidence: high
  source:
  - plans
  - authentication
  - rate-limits
  - security
  generated: '2026-11-06'
  method: derived
image: http://m.4kgarden.com/images/logo.png
url: https://raw.githubusercontent.com/api-evangelist/4k-garden/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.20'
created: '2026-09-05'
modified: '2026-09-05'
position: Producing
tags:
- Company
- Video
- Ultra High Definition
- Media and Entertainment
- Content Distribution
- Live Streaming
- Artificial Intelligence
- Video Super Resolution
- Virtual Reality
- China
apis:
- aid: 4k-garden:4k-garden-auth-controller-api
  name: 4K Garden Auth Controller API
  description: The auth-controller API from 4K Garden — 9 operation(s) for auth-controller.
  humanURL: https://www.fly4k.com/
  baseURL: https://video-cn.fly4k.com/api
  tags:
  - auth-controller
  properties:
  - type: OpenAPI
    url: openapi/4k-garden-auth-controller-api-openapi.yml
  - type: Authentication
    url: authentication/4k-garden-authentication.yml
  - type: ErrorCatalog
    url: errors/4k-garden-problem-types.yml
  - type: Conventions
    url: conventions/4k-garden-conventions.yml
  - type: DataModel
    url: data-model/4k-garden-data-model.yml
  - type: Lifecycle
    url: lifecycle/4k-garden-lifecycle.yml
  - type: Conformance
    url: conformance/4k-garden-conformance.yml
  - type: ToolCrosswalk
    url: mcp/4k-garden-tool-crosswalk.yml
  - type: Plans
    url: plans/4k-garden-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/4k-garden-rate-limits.yml
- aid: 4k-garden:4k-garden-customer-controller-api
  name: 4K Garden Customer Controller API
  description: The customer-controller API from 4K Garden — 22 operation(s) for customer-controller.
  humanURL: https://www.fly4k.com/
  baseURL: https://video-cn.fly4k.com/api
  tags:
  - customer-controller
  properties:
  - type: OpenAPI
    url: openapi/4k-garden-customer-controller-api-openapi.yml
  - type: Authentication
    url: authentication/4k-garden-authentication.yml
  - type: ErrorCatalog
    url: errors/4k-garden-problem-types.yml
  - type: Conventions
    url: conventions/4k-garden-conventions.yml
  - type: DataModel
    url: data-model/4k-garden-data-model.yml
  - type: Lifecycle
    url: lifecycle/4k-garden-lifecycle.yml
  - type: Conformance
    url: conformance/4k-garden-conformance.yml
  - type: ToolCrosswalk
    url: mcp/4k-garden-tool-crosswalk.yml
  - type: Plans
    url: plans/4k-garden-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/4k-garden-rate-limits.yml
- aid: 4k-garden:4k-garden-enterprise-controller-api
  name: 4K Garden Enterprise Controller API
  description: The enterprise-controller API from 4K Garden — 9 operation(s) for enterprise-controller.
  humanURL: https://www.fly4k.com/
  baseURL: https://video-cn.fly4k.com/api
  tags:
  - enterprise-controller
  properties:
  - type: OpenAPI
    url: openapi/4k-garden-enterprise-controller-api-openapi.yml
  - type: Authentication
    url: authentication/4k-garden-authentication.yml
  - type: ErrorCatalog
    url: errors/4k-garden-problem-types.yml
  - type: Conventions
    url: conventions/4k-garden-conventions.yml
  - type: DataModel
    url: data-model/4k-garden-data-model.yml
  - type: Lifecycle
    url: lifecycle/4k-garden-lifecycle.yml
  - type: Conformance
    url: conformance/4k-garden-conformance.yml
  - type: ToolCrosswalk
    url: mcp/4k-garden-tool-crosswalk.yml
  - type: Plans
    url: plans/4k-garden-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/4k-garden-rate-limits.yml
- aid: 4k-garden:4k-garden-frontend-controller-api
  name: 4K Garden Frontend Controller API
  description: The frontend-controller API from 4K Garden — 10 operation(s) for frontend-controller.
  humanURL: https://www.fly4k.com/
  baseURL: https://video-cn.fly4k.com/api
  tags:
  - frontend-controller
  properties:
  - type: OpenAPI
    url: openapi/4k-garden-frontend-controller-api-openapi.yml
  - type: Authentication
    url: authentication/4k-garden-authentication.yml
  - type: ErrorCatalog
    url: errors/4k-garden-problem-types.yml
  - type: Conventions
    url: conventions/4k-garden-conventions.yml
  - type: DataModel
    url: data-model/4k-garden-data-model.yml
  - type: Lifecycle
    url: lifecycle/4k-garden-lifecycle.yml
  - type: Conformance
    url: conformance/4k-garden-conformance.yml
  - type: ToolCrosswalk
    url: mcp/4k-garden-tool-crosswalk.yml
  - type: Plans
    url: plans/4k-garden-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/4k-garden-rate-limits.yml
- aid: 4k-garden:4k-garden-tvc-controller-api
  name: 4K Garden Tvc Controller API
  description: The tvc-controller API from 4K Garden — 8 operation(s) for tvc-controller.
  humanURL: https://www.fly4k.com/
  baseURL: https://video-cn.fly4k.com/api
  tags:
  - tvc-controller
  properties:
  - type: OpenAPI
    url: openapi/4k-garden-tvc-controller-api-openapi.yml
  - type: Authentication
    url: authentication/4k-garden-authentication.yml
  - type: ErrorCatalog
    url: errors/4k-garden-problem-types.yml
  - type: Conventions
    url: conventions/4k-garden-conventions.yml
  - type: DataModel
    url: data-model/4k-garden-data-model.yml
  - type: Lifecycle
    url: lifecycle/4k-garden-lifecycle.yml
  - type: Conformance
    url: conformance/4k-garden-conformance.yml
  - type: ToolCrosswalk
    url: mcp/4k-garden-tool-crosswalk.yml
  - type: Plans
    url: plans/4k-garden-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/4k-garden-rate-limits.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Plans
  url: plans/4k-garden-plans-pricing.yml
- type: RateLimits
  url: rate-limits/4k-garden-rate-limits.yml
- type: Pricing
  url: https://video-cn.fly4k.com/api/user/productList
- type: Overlay
  url: overlays/4k-garden-diebian-ai-overlay.yaml
- type: AgentSkill
  url: skills/_index.yml
- type: Website
  url: https://www.4kgarden.com/
- type: About
  url: https://www.4kgarden.com/skabout.html
- type: Blog
  url: https://www.4kgarden.com/sknews.html
- type: Careers
  url: https://www.4kgarden.com/skjoin.html
- type: Packages
  url: packages/4k-garden-packages.yml
- type: LLMsTxt
  url: llms/4k-garden-llms.txt
- type: DomainSecurity
  url: security/4k-garden-domain-security.yml
x-notes:
  website_correction: This record was harvested from a Nasdaq Private Market secondary-market venue listing, which left https://www.nasdaqprivatemarket.com/
    standing as the company Website pointer. That is the trading venue, not 4K Garden. Corrected on 2026-09-05 to the company's
    own site, https://www.4kgarden.com/ (HTTP 200).
  pointers_deliberately_absent: 'No DeveloperPortal, Documentation, APIReference, GettingStarted, Support, SignUp, Pricing,
    TermsOfService, PrivacyPolicy, GitHubOrganization, Roadmap or Postman pointer is emitted, because 4K Garden publishes
    none of these pages. No WellKnown or SecurityTxt pointer is emitted: every /.well-known/ path 404s on all five hosts probed
    (see well-known/4k-garden-well-known.yml). No AgentCard pointer is emitted: no agent card was found. No SDKs pointer is
    emitted: no client library exists in any registry. No MCPServer pointer is emitted: mcp/4k-garden-mcp.yml is a DERIVED
    candidate with deployment.mode none, and claiming a server that nobody ships would be false. No Idempotency pointer is
    emitted: idempotency coverage on this API is none, across all 43 mutating operations.'
  host_reachability: 4kgarden.com and www.4kgarden.com are served from mainland China and are slow from US networks - individual
    requests intermittently time out at 25-60s and succeed on retry. Timeouts recorded during probing are latency, not absence;
    every pointer above was confirmed HTTP 200.
x-enrichment:
  date: '2026-09-05'
  status: enriched
  artifacts_added: 17
  pass: local-v3

4K Garden API — frequently asked questions

Does 4K Garden have an API?

Yes. APIs.io lists 5 APIs from 4K Garden, including 4K Garden Auth Controller API, 4K Garden Customer Controller API and 4K Garden Enterprise Controller API, and 2 more.

Is there an OpenAPI specification for the 4K Garden API?

Yes. APIs.io indexes 5 OpenAPI specifications for 4K Garden, each linked for download from this page.

How do I authenticate with the 4K Garden API?

4K Garden uses bearer-token authentication (0 schemes). The details are profiled on APIs.io as 4K Garden Authentication.

How much does the 4K Garden API cost?

4K Garden publishes its prices; its 体验会员 plan is CNY 99.0 as of 2026-09-05. APIs.io lists 4 pricing plans for 4K Garden, with each plan's price, limits and inclusions under Pricing on this page.

Is the 4K Garden API ready for AI agents?

4K Garden has a Kin Score of 28.2 out of 100 (thin) and an Agent Readiness score of 20.2 (agent-aware), scored by API Evangelist on 2026-11-06.

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