Best APIs for Pre-IPO & Private Market Data in 2026

.tw-dark .cg-tldr-box { background-color: rgba(52, 175, 0, 0.12) !important; } .tw-dark .cg-tldr-box h2 { color: inherit !important; } .tw-dark .cg-tldr-box > p { color: inherit !important; } .tw-dark .cg-tldr-box > ul { color: inherit !important; } TL;DR CoinGecko API is the best pre-IPO data API for real-time, onchain market data, including live pricing for tokenized exposure to companies such as OpenAI and SpaceX, aggregated into a single market view per company. Specialized providers cover different needs, with Crunchbase for funding and company research, Caplight for secondary-market pric