Immunefi

aid: immunefi
name: Immunefi
description: Immunefi is a crowdsourced web3 security platform that operates the largest onchain bug bounty ecosystem, connecting
  security researchers with blockchain protocols and rewarding them for responsibly disclosed vulnerabilities. Alongside bug
  bounties it runs audit competitions and attackathons, PR reviews, Safe Harbor agreements, onchain monitoring, and Magnus,
  a unified security command center. Immunefi authors and versions the Immunefi Vulnerability Severity Classification System,
  the severity taxonomy most web3 bounty programs are written against. Its only public machine-readable surface is an unauthenticated
  JSON endpoint at immunefi.com/public-api/bounties.json that returns the full catalog of live bug bounty programs, including
  assets in scope, reward tables by severity, impacts, ecosystems and program metadata.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: open
  trial: false
  try_now: false
  public: true
  label: Open access
  confidence: medium
  source:
  - authentication
  - rate-limits
  - security
  generated: '2026-09-02'
  method: derived
image: https://images.ctfassets.net/t3wqy70tc3bv/1XjTFUMSo1pLNrTF0aIH4U/353cf547e2cd9dcfc4e464ce9c328c07/Logo_square.png
url: https://raw.githubusercontent.com/api-evangelist/immunefi/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.20'
created: '2026-08-23'
modified: '2026-08-23'
tags:
- Company
- Security
- Bug Bounty
- Vulnerability Disclosure
- Web3
- Blockchain
- Smart Contracts
- Application Security
- Cryptocurrency
- Crowdsourced Security
apis:
- aid: immunefi:bounties
  name: Immunefi Bug Bounty Programs API
  description: An unauthenticated, read-only JSON endpoint published on Immunefi's own domain that returns the complete catalog
    of bug bounty programs listed on the platform. Each record carries the project name and slug, program and product type,
    ecosystems, languages, maximum bounty, reward token, KYC and invite-only flags, launch and update dates, the full assets-in-scope
    list, the reward table keyed by severity and asset type, prioritized and out-of-scope impacts, program overview and rules
    prose, and any linked audits. The route serves the entire collection as a single JSON array; there is no filtering, pagination,
    or per-program path.
  humanURL: https://immunefi.com/bug-bounty/
  baseURL: https://immunefi.com/public-api
  tags:
  - Bug Bounty
  - Security
  - Web3
  properties:
  - type: Examples
    url: examples/immunefi-bounty-program-example.json
  - type: DataModel
    url: data-model/immunefi-data-model.yml
  - type: Authentication
    url: authentication/immunefi-authentication.yml
  - type: RateLimits
    url: rate-limits/immunefi-rate-limits.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://immunefi.com/
- type: Blog
  url: https://immunefi.com/blog/
- type: BlogRSS
  url: https://immunefi.com/blog/feed
- type: GitHubOrganization
  url: https://github.com/immunefi-team
- type: Support
  url: https://immunefisupport.zendesk.com/hc/en-us
- type: TermsOfService
  url: https://immunefi.com/terms-of-use/
- type: PrivacyPolicy
  url: https://immunefi.com/privacy-policy/
- type: SignUp
  url: https://bugs.immunefi.com/
- type: Security
  url: https://immunefi.com/bug-bounty/immunefi/
- type: VulnerabilityDisclosure
  url: security/immunefi-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/immunefi-domain-security.yml
- type: Webhooks
  url: asyncapi/immunefi-webhooks.yml
- type: Conformance
  url: conformance/immunefi-conformance.yml
- type: Conventions
  url: conventions/immunefi-conventions.yml
- type: Lifecycle
  url: lifecycle/immunefi-lifecycle.yml
- type: Packages
  url: packages/immunefi-packages.yml
- type: Plans
  url: plans/immunefi-plans-pricing.yml
- type: LLMsTxt
  url: llms/immunefi-llms.txt
x-enrichment:
  date: '2026-08-23'
  status: enriched
  artifacts_added: 17
  pass: local-v1