Codex Protocol

Codex Protocol was a blockchain startup (founded 2018, backed by Pantera Capital) that built a decentralized registry for unique physical assets — fine art, wine, watches and other collectibles — on Ethereum, using ERC-721 Codex Records and an ERC-20 Codex Coin (CODX) token, plus a Codex Viewer dapp and a Codex Registry REST API. The company is now defunct: its API and dapp repositories are archived, its documentation host no longer resolves, and its original marketing domain (codexprotocol.com) has been repurposed by a third party and redirects offsite. The surviving, verifiable first-party artifacts are the codex-protocol GitHub organization (13 repositories of smart contracts, services, and tooling) and four @codex-protocol npm packages. This profile was surfaced as a Pantera Capital portfolio company and is retained in the API Evangelist network as a historical / defunct record.

Codex Protocol is profiled on the APIs.io network. Tagged areas include Company, Crypto, Blockchain, Ethereum, and Provenance.

📡 Source on GitHub

0.0/100 minimal ▬ flat Agent 0/100 human only library Full breakdown ↓
scored 2026-10-09 · rubric v0.23.0

0 APIs

Company Crypto Blockchain Ethereum Provenance NFT Registry Collectibles Defunct

Kin Score

Kin Score How this is scored →
scored 2026-10-09 · rubric v0.23.0

Composite quality — 0.0/100 · minimal

Contract Quality 0.0 / 21

Developer Ergonomics 0.0 / 17

Access Clarity 0.0 / 17

Operational Transparency 0.0 / 11

Contract Governance 0.0 / 10

Discoverability 0.0 / 9

Regulatory Posture 0.0 / 15

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

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

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

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/.

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/codex-protocol: 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 →

Resources

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Lifecycle

Lifecycle

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

SourceCode

SDKs

Packages

Source (apis.yml)

aid: codex-protocol
deliveryModel:
  model: library
  open_source: false
  commercial: false
  callable_host: false
  label: Library · distributed through package registries, no callable service
  confidence: low
  source:
  - none
  generated: '2026-08-28'
  method: derived
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://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/codex-protocol.png
name: Codex Protocol
description: 'Codex Protocol was a blockchain startup (founded 2018, backed by Pantera Capital) that built a decentralized
  registry for unique physical assets — fine art, wine, watches and other collectibles — on Ethereum, using ERC-721 Codex
  Records and an ERC-20 Codex Coin (CODX) token, plus a Codex Viewer dapp and a Codex Registry REST API. The company is now
  defunct: its API and dapp repositories are archived, its documentation host no longer resolves, and its original marketing
  domain (codexprotocol.com) has been repurposed by a third party and redirects offsite. The surviving, verifiable first-party
  artifacts are the codex-protocol GitHub organization (13 repositories of smart contracts, services, and tooling) and four
  @codex-protocol npm packages. This profile was surfaced as a Pantera Capital portfolio company and is retained in the API
  Evangelist network as a historical / defunct record.'
url: https://raw.githubusercontent.com/api-evangelist/codex-protocol/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-status: defunct
x-former-website: https://codexprotocol.com/
x-former-website-note: Domain repurposed; as of 2026-07-18 it 301-redirects to an unrelated third-party gambling review and
  no longer represents the company.
x-backed-by:
- pantera-capital
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Crypto
- Blockchain
- Ethereum
- Provenance
- NFT
- Registry
- Collectibles
- Defunct
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: GitHubOrganization
  url: https://github.com/codex-protocol
- type: SourceCode
  url: https://github.com/codex-protocol
- type: SDKs
  url: packages/codex-protocol-packages.yml
- type: Packages
  url: packages/codex-protocol-packages.yml
- type: Lifecycle
  url: lifecycle/codex-protocol-lifecycle.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

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