// UNICORNBURN · DATASET API

Startup failure data for builders.

Dos niveles de acceso: 28 autopsias open data sin autenticación, o el dataset completo (2438+) con API key. CORS habilitado. Atribución requerida en el tier libre.

// SIN AUTH

Open Data

28 autopsias · campos básicos · CORS · atribución requerida

// CON API KEY

Dataset completo

2438+ autopsias · todos los campos · rate limit por tier

EXPLORAR 2438 AUTOPSIAS →OBTENER API KEY →

// ATTRIBUTION

Free to use for research, journalism, and tools. Required attribution: “Data: unicornburn.com”. Built something with it? Tell us.

// BUILT WITH THIS DATA

📰
Journalism
Investigative pieces on startup fraud, VC accountability, and market patterns.
🎓
Research
Academic datasets on funding lifecycle, failure correlations, and sector risk.
📊
Due Diligence
VC and accelerator teams screening portfolios against known collapse patterns.
🛠️
Developer Tools
Startup risk scoring tools, failure dashboards, and educational platforms.

// ENDPOINTS

https://unicornburn.com
GET/api/autopsies

List all autopsies. Supports filtering.

sectorstringFilter by sector — e.g. fintech
countrystringFilter by country — e.g. spain
causestringFilter by cause category — e.g. fraud
yearnumberFilter by year of death — e.g. 2022
limitnumberResults per page (max 200, default 50) — e.g. 20
offsetnumberPagination offset — e.g. 50

// EXAMPLE

https://unicornburn.com/api/autopsies?sector=fintech&country=spain&limit=10

GET/api/autopsies/[slug]

Single autopsy with full narrative fields.

slugstringAutopsy slug from the list endpoint — e.g. theranos

// EXAMPLE

https://unicornburn.com/api/autopsies/theranos

GET/api/rankings

List all available rankings with metadata.

// EXAMPLE

https://unicornburn.com/api/rankings

GET/api/rankings/[slug]

Single ranking with full entries.

slugstringRanking slug from the list endpoint — e.g. biggest-frauds

// EXAMPLE

https://unicornburn.com/api/rankings/biggest-frauds

// VALID VALUES

SECTORS

FintechMarketplaceEcommerceSaaSProptechMediaConsumerMobilityHardwareSocialEdtechWeb3HealthtechBiotechReal EstateGamingAIDeveloper Tools

COUNTRIES

USAUKSpainGermanyFranceIndiaChinaBrazilIsraelAustraliaMexicoArgentinaColombiaChile

CAUSE CATEGORIES

runway-zerofraudcompetitionregulationproduct-failurefounder-chaostimingpivotsunit-economicsacquisition-gone-wrong

RANKING SLUGS

most-capital-burneddeadliest-sectorsdeadliest-yearsfastest-collapsesbiggest-fraudscapital-destroyed-by-causedeadliest-archetypes

// EXPLORE

Browse rankings →Browse autopsies →GitHub →

// NEED MORE THAN THE FREE API?

Structured CSV exports, advanced filters, enriched collapse profiles, and bulk API access are available for researchers and teams.

EXPLORE INTELLIGENCE ACCESS →

// BUG BOUNTY

Found incorrect data? Wrong date, cause, or sector? Report it and receive 6 months free access to the full dataset if the error is verified and accepted.

REPORT AN ERROR →