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.

🌐 Visit website 📡 Source on GitHub

48.7/100 developing ▬ flat Agent 23/100 agent aware saas Full breakdown ↓
scored 2026-08-30 · rubric v0.17.2

AccessSelf serve

1 APIs 1 MCP Servers

Company Security Software Supply Chain Open-SourceLicense ComplianceVulnerability Management SBOM Software Composition Analysis DevSecOps

Kin Score

Kin Score How this is scored →
scored 2026-08-30 · rubric v0.17.2

Composite quality — 48.7/100 · developing

Contract Quality 10.7 / 25

Developer Ergonomics 13.3 / 20

Access Clarity 9.5 / 20

Operational Transparency 5.5 / 13

Contract Governance 2.2 / 12

Discoverability 7.6 / 10

Agent readiness — 23/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 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

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 Surface 0 / 5

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 1

Individual APIs this provider publishes, each with its own machine-readable definition.

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 1

Model Context Protocol servers that expose these APIs to AI agents.

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

MCPServer

MCPServer

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

ErrorCatalog

Lifecycle

Conventions

Conformance

DataModel

Webhooks

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

Packages

SDKs

CLI

Access & Security 4

Authentication, authorization, and security posture

TrustCenter

Compliance

Authentication

DomainSecurity

Operate 3

Status, limits, changes, and where to get help

Support

Support

StatusPage

StatusPage

ChangeLog

ChangeLog

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

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
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: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.23'
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
tags_raw:
- 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

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this

find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This provider

curl "https://apis.io/api/v1/providers/fossa"

All providers

curl "https://apis.io/api/v1/providers?limit=25"

Every operation they expose

curl "https://apis.io/api/v1/providers/fossa/operations?limit=25"

How their score was established

curl "https://apis.io/api/v1/providers/fossa/evidence"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.