Open startup datasets
As of 14 August 2026, IdeaProof publishes 4 open datasets covering 1,028 documented startup failures, 13 failure base rates, 24 fundraising benchmark verticals and 114 glossary terms. Every file is free, machine-readable JSON and CSV under CC BY 4.0 — cite IdeaProof with a link to the source URL.
Maintains 3,200+ structured startup ideas, 1,700+ documented failures and a 47-vendor pricing audit · every figure is source-linked
Reviewed by Nicholas Todeschini, Founder & Lead Analyst, IdeaProof. Editorial standards & entity profile
Startup Failure Database
Documented startup failures with funding raised, shutdown date, root cause, contributing factors, terminal event and per-fact sources.
- Rows
- 1,028
- Coverage
- 2005 → now
- Licence
- CC BY 4.0
- Updated
- 2026-08-14
Startup Failure Base Rates
Prior probabilities of failure by stage, sector and business model, derived from the failure corpus.
- Rows
- 13
- Coverage
- 2010 → now
- Licence
- CC BY 4.0
- Updated
- 2026-08-14
Fundraising Benchmarks by Vertical
Round size, valuation, dilution and traction benchmarks by vertical and stage, with source attribution.
- Rows
- 24
- Coverage
- 2023 → now
- Licence
- CC BY 4.0
- Updated
- 2026-08-14
Startup & Business Glossary
Defined startup, fundraising and go-to-market terms with plain-language explanations.
- Rows
- 114
- Coverage
- 2026 → now
- Licence
- CC BY 4.0
- Updated
- 2026-08-14
Licence and citation
All datasets on this page are released under CC BY 4.0. You may use them commercially, including for model training and research, provided you attribute IdeaProof and link to the source URL.
IdeaProof (2026). Startup Failure Database. Retrieved from https://ideaproof.io/datasets
Machine-readable index
- /llms.txt — short site description for AI agents
- /llms-full.txt — complete canonical URL index with last-reviewed dates
- /sitemap.xml — XML sitemap index