Fossa

FOSSA is a software supply chain security and open source management platform that scans codebases, containers, and binaries to detect open source dependencies, then enforces open source license compliance, vulnerability management, and SBOM (CycloneDX/SPDX) obligations across the software development lifecycle. FOSSA exposes a REST API at app.fossa.com/api plus the language-agnostic FOSSA CLI, integrating with 20+ build systems and CI/CD to surface licensing, security, and quality issues, generate attribution and audit reports, and gate pull requests on policy violations. Backed by Bain Capital Ventures and Norwest Venture Partners.

Fossa publishes 1 API on the APIs.io network. Tagged areas include Company, Security, Software Supply Chain, Open Source, and License Compliance.

The Fossa catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Fossa’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, pricing, signup flow, and 22 more developer resources.

41.9/100 thin Agent 35/100 agent aware Full breakdown ↓
scored 2026-07-20 · rubric v0.4
1 APIs 1 MCP Servers 0 Features
CompanySecuritySoftware Supply ChainOpen SourceLicense ComplianceVulnerability ManagementSBOMSoftware Composition AnalysisDevSecOps

API Rating

API Evangelist API Evangelist Rating How this is scored →
scored 2026-07-20 · rubric v0.4
Composite quality — 41.9/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 14.8 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 5.8 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 35/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 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/fossa: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs

FOSSA REST API

The FOSSA REST API lets you build integrations and automate open source management workflows — manage projects, revisions, issues, users and teams, release groups, and reports; ...

MCP Servers

fossa-mcp.yml

MCP SERVER

Event Specifications

Fossa Webhooks

ASYNCAPI

Resources

Get Started 3

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Build 4

SDKs, sample code, and the tooling you integrate with

Access & Security 4

Authentication, authorization, and security posture

Operate 3

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: fossa
name: Fossa
description: FOSSA is a software supply chain security and open source management platform that scans codebases, containers,
  and binaries to detect open source dependencies, then enforces open source license compliance, vulnerability management,
  and SBOM (CycloneDX/SPDX) obligations across the software development lifecycle. FOSSA exposes a REST API at app.fossa.com/api
  plus the language-agnostic FOSSA CLI, integrating with 20+ build systems and CI/CD to surface licensing, security, and quality
  issues, generate attribution and audit reports, and gate pull requests on policy violations. Backed by Bain Capital Ventures
  and Norwest Venture Partners.
url: https://raw.githubusercontent.com/api-evangelist/fossa/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- bain-capital-ventures
- norwest-venture-partners
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
image: https://fossa.com/favicon.png
tags:
- Company
- Security
- Software Supply Chain
- Open Source
- License Compliance
- Vulnerability Management
- SBOM
- Software Composition Analysis
- DevSecOps
apis:
- name: FOSSA REST API
  description: The FOSSA REST API lets you build integrations and automate open source management workflows — manage projects,
    revisions, issues, users and teams, release groups, and reports; initiate binary scans; download attribution reports;
    and query the vulnerability database by CPE. Authenticates with an API token in the Authorization Bearer header over HTTPS.
  humanURL: https://docs.fossa.com/docs/api
  baseURL: https://app.fossa.com/api
  properties:
  - type: APIReference
    url: https://docs.fossa.com/docs/api/reference
  - type: Authentication
    url: authentication/fossa-authentication.yml
  - type: ErrorCatalog
    url: errors/fossa-problem-types.yml
  - type: Webhooks
    url: asyncapi/fossa-webhooks.yml
  - type: DataModel
    url: data-model/fossa-data-model.yml
  - type: Conventions
    url: conventions/fossa-conventions.yml
  - type: MCPServer
    url: mcp/fossa-mcp.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: TrustCenter
  url: security/fossa-trust-center.yml
- type: Website
  url: https://fossa.com/
- type: DeveloperPortal
  url: https://docs.fossa.com/
- type: Documentation
  url: https://docs.fossa.com/docs/get-started
- type: APIReference
  url: https://docs.fossa.com/docs/api/reference
- type: GettingStarted
  url: https://docs.fossa.com/docs/get-started/your-first-scan
- type: Support
  url: https://support.fossa.com/
- type: Blog
  url: https://fossa.com/blog
- type: GitHubOrganization
  url: https://github.com/fossas
- type: Pricing
  url: https://fossa.com/pricing
- type: SignUp
  url: https://app.fossa.com/account/register
- type: TermsOfService
  url: https://fossa.com/terms-of-service
- type: PrivacyPolicy
  url: https://fossa.com/privacy-policy
- type: StatusPage
  url: https://status.fossa.com
- type: Compliance
  url: https://fossa.com/trust
- type: Authentication
  url: authentication/fossa-authentication.yml
- type: LLMsTxt
  url: llms/fossa-llms.txt
- type: Packages
  url: packages/fossa-packages.yml
- type: SDKs
  url: packages/fossa-packages.yml
- type: CLI
  url: cli/fossa-cli.yml
- type: ErrorCatalog
  url: errors/fossa-problem-types.yml
- type: Lifecycle
  url: lifecycle/fossa-lifecycle.yml
- type: ChangeLog
  url: changelog/fossa-changelog.yml
- type: Conventions
  url: conventions/fossa-conventions.yml
- type: Conformance
  url: conformance/fossa-conformance.yml
- type: DataModel
  url: data-model/fossa-data-model.yml
- type: Webhooks
  url: asyncapi/fossa-webhooks.yml
- type: MCPServer
  url: mcp/fossa-mcp.yml
- type: DomainSecurity
  url: security/fossa-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence