ShadowBot

ShadowBot is a free browser gaming platform offering thousands of HTML5 games that can be played instantly without downloads or installations. It provides a wide catalog ranging from arcade classics to puzzles, racing, and strategy games, supporting daily challenges, tournaments, and community features like clans and leaderboards. The service aims to make gaming accessible to everyone across devices, with a focus on easy access and a vibrant collection for casual and dedicated players alike.

ShadowBot is listed with 1 API on the APIs.io network. Tagged areas include Gaming, HTML5, Free, Browser, and Casual.

ShadowBot’s developer surface includes changelog, engineering blog, documentation, getting-started guide, support, and 8 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

22.0/100 emerging Agent 3/100 human only Full breakdown ↓
scored 2026-10-31 · rubric v0.25.0 · Show this score on your site →

1 API

Gaming HTML5 Free BrowserCasual

Kin Score

Kin Score How this is scored →
scored 2026-10-31 · rubric v0.25.0

Composite quality — 22.0/100 · emerging

Contract Quality 0.0 / 21

Developer Ergonomics 6.5 / 17

Access Clarity 5.8 / 17

Operational Transparency 1.7 / 11

Contract Governance 0.0 / 10

Discoverability 4.9 / 9

Regulatory Posture 2.1 / 15

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 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 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

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 could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% 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):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey)
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
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes

12 more unmet checks in the Agent Readiness table above.

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

Contract Quality scores 0.0 — up to +25.0 composite points
Access Clarity scores 34.2 — up to +13.2 composite points
Developer Ergonomics scores 38.1 — up to +12.4 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/shadowbot/apis.yml: open an issue on github.com/api-evangelist/shadowbot 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 →

APIs 1

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

ShadowBot API

ShadowBot provides a browser gaming platform with HTML5 games accessible via web. Documentation is at https://shadowbot.tech/about

Security Posture 1

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

Shadowbot Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 3

Portal, sign-up, and the first successful call

Login

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

ChangeLog

ChangeLog

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Hosts

Hosts

Source (apis.yml)

aid: shadowbot
name: ShadowBot
image: https://shadowbot.tech/opengraph-image?5d0623eb3eac3e38
description: ShadowBot is a free browser gaming platform offering thousands of HTML5 games that can be played instantly without
  downloads or installations. It provides a wide catalog ranging from arcade classics to puzzles, racing, and strategy games,
  supporting daily challenges, tournaments, and community features like clans and leaderboards. The service aims to make gaming
  accessible to everyone across devices, with a focus on easy access and a vibrant collection for casual and dedicated players
  alike.
url: https://raw.githubusercontent.com/api-evangelist/shadowbot/refs/heads/main/apis.yml
x-type: company
x-source: harvest:vc-portfolio
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-22 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-22'
modified: '2026-10-22'
tags:
- Gaming
- HTML5
- Free
- Browser
- Casual
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: ChangeLog
  url: changelog/shadowbot-changelog.yml
- type: LLMsTxt
  url: llms/shadowbot-llms.txt
- type: Hosts
  url: hosts/shadowbot-hosts.yml
- type: Login
  url: https://shadowbot.tech/login
- type: DeveloperPortal
  url: https://shadowbot.tech/developers
- type: DomainSecurity
  url: security/shadowbot-domain-security.yml
- type: Website
  url: https://shadowbot.tech/
- type: Blog
  url: https://shadowbot.tech/blog
- type: Documentation
  url: https://shadowbot.tech/about
- type: GettingStarted
  url: https://shadowbot.tech/faq
- type: Support
  url: https://shadowbot.tech/contact
- type: TermsOfService
  url: https://shadowbot.tech/terms
- type: PrivacyPolicy
  url: https://shadowbot.tech/privacy
apis:
- name: ShadowBot API
  description: ShadowBot provides a browser gaming platform with HTML5 games accessible via web. Documentation is at https://shadowbot.tech/about
  humanURL: https://shadowbot.tech/about
  aid: shadowbot:shadowbot-api
x-backed-by:
- coatue
x-coverage:
  state: unreadable
  reason: js-rendered-docs
  detail: Documentation pages are rendered via JavaScript, preventing machine-readable spec discovery.
  evidence:
  - url: https://shadowbot.tech/about
    status: 200
  checked: '2026-10-22'
x-enrichment:
  date: '2026-10-22'
  status: enriched
  artifacts_added: 13
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

ShadowBot API — frequently asked questions

Does ShadowBot have an API?

Yes. APIs.io lists 1 API from ShadowBot, including ShadowBot API.

Is the ShadowBot API ready for AI agents?

ShadowBot has a Kin Score of 22.0 out of 100 (emerging) and an Agent Readiness score of 3.1 (human-only), scored by API Evangelist on 2026-10-31.

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get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

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