aid: code4rena
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/code4rena.png
name: Code4rena
description: 'Code4rena (C4) is a competitive smart-contract security auditing platform
  that connects Web3/DeFi projects (sponsors) with a global community of security researchers
  (wardens) through time-boxed competitive audits and ongoing bug bounties. Sponsors
  fund an audit, wardens compete to surface vulnerabilities, and judges rate severity,
  validity, and quality to distribute awards via a ranked-curve incentive model. Over
  five years the platform ran 512+ audits, engaged 16,600+ researchers, and surfaced
  26,898 findings including 1,607 high-severity vulnerabilities. Code4rena announced
  it is winding down operations, seeing active competitions and bounties through to
  completion. This API Evangelist profile was surfaced as a paradigm portfolio company;
  the platform is web/app-based with GitBook documentation and does not publish a public
  REST/GraphQL API, SDK, or developer portal.'
url: https://raw.githubusercontent.com/api-evangelist/code4rena/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- paradigm
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Security
- Smart Contracts
- Web3
- DeFi
- Auditing
- Bug Bounty
- Blockchain
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://code4rena.com
- type: Documentation
  url: https://docs.code4rena.com
- type: GettingStarted
  url: https://docs.code4rena.com/getting-started
- type: Support
  url: https://code4rena.com/help
- type: GitHubOrganization
  url: https://github.com/code-423n4
- type: TermsOfService
  url: https://docs.code4rena.com/legal/terms-of-service
- type: PrivacyPolicy
  url: https://docs.code4rena.com/legal/privacy-policy
- type: Security
  url: https://code4rena.com/.well-known/security.txt
- type: SecurityTxt
  url: well-known/code4rena-security.txt
- type: WellKnown
  url: well-known/code4rena-well-known.yml
- type: LLMsTxt
  url: llms/code4rena-llms.txt
- type: VulnerabilityDisclosure
  url: security/code4rena-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/code4rena-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence