contentbox website screenshot

contentbox

ContentBox is a blockchain infrastructure company for the digital content industry, built by the team behind Castbox, a global podcast platform serving millions of users across 135 countries. ContentBox aims to give the industry three things: a shared content pool, a shared user pool, and a unified, token-based payout system. Its products include BOX Payout (a blockchain multi-party payment system), BOX Passport (blockchain identity and attribution across applications), and BOX Unpack (a turn-key platform for content creators). The foundation publishes open-source blockchain infrastructure (boxd) and first-party developer SDKs in JavaScript, Python, and Java through its BOXFoundation GitHub organization. Backed by Qiming Venture Partners.

contentbox is profiled on the APIs.io network. Tagged areas include Company, Blockchain, Digital Content, Podcasting, and Cryptocurrency.

contentbox’s developer surface includes engineering blog and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub
9.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyBlockchainDigital ContentPodcastingCryptocurrencyContent DistributionPayments

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 9.8/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 1.7 / 20
Commercial Clarity 0.0 / 20
Operational Transparency 0.7 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 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
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/contentbox: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

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

Contentbox Domain Security

TLSv1.2

SECURITY

Resources

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 Packages
Packages
 SDKs
SDKs

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: contentbox
name: contentbox
description: 'ContentBox is a blockchain infrastructure company for the digital content industry, built by the team behind
  Castbox, a global podcast platform serving millions of users across 135 countries. ContentBox aims to give the industry
  three things: a shared content pool, a shared user pool, and a unified, token-based payout system. Its products include
  BOX Payout (a blockchain multi-party payment system), BOX Passport (blockchain identity and attribution across applications),
  and BOX Unpack (a turn-key platform for content creators). The foundation publishes open-source blockchain infrastructure
  (boxd) and first-party developer SDKs in JavaScript, Python, and Java through its BOXFoundation GitHub organization. Backed
  by Qiming Venture Partners.'
url: https://raw.githubusercontent.com/api-evangelist/contentbox/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- qiming
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://contentbox.one/img/logo-top.png
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Blockchain
- Digital Content
- Podcasting
- Cryptocurrency
- Content Distribution
- Payments
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://contentbox.one
- type: GitHubOrganization
  url: https://github.com/BOXFoundation
- type: Blog
  url: https://medium.com/contentbox
- type: Packages
  url: packages/contentbox-packages.yml
- type: SDKs
  url: packages/contentbox-packages.yml
- type: DomainSecurity
  url: security/contentbox-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence