Startup profile · funding coverage
Twilio
Communications APIs for voice, SMS, and customer engagement.
Stage
public
Status
public
Coverage
full
Why Twilio is interesting
Developer-first telecom APIs — Bessemer and USV in B/C rounds; a16z on cap table per investment list.
Key facts
- Series B (Nov 2010): $12M led by Bessemer; USV participated (TechCrunch)
- Series C (Dec 2011): $17M from Bessemer and USV (TechCrunch)
- IPO (2016): NYSE: TWLO
Investors in our directory
Funds linked from Twilio's profile — open a fund page for stage focus and related deal articles.
Industries
Infrastructure & Cloud Developer Tools
Industry hub pages are rolling out from our fund-derived baseline taxonomy.
Market / IPO context
Ticker: TWLO (NYSE)
IPO status: public
Editorial / static context — not a live quote.
FAQs about Twilio
Funding context and why this company shows up in venture coverage.
Twilio is listed among Andreessen Horowitz (a16z) investments on a16z’s public investment list.
We track a16z-backed companies that are strategically relevant for founders and investors following AI, American Dynamism, crypto, bio, and enterprise software.
Last updated: 2026-07-24