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Twilio (pronounced TWILL-e-o) is a cloud communications (IaaS) company based in San Francisco, California. Twilio allows software developers to programmatically make and receive phone calls and send and receive text messages using its web service APIs. Twilio's services are accessed over HTTP and are billed based on usage. As of February 2015, more than 560,000 developers use the service.〔http://blogs.wsj.com/venturecapital/2015/02/20/twilio-positions-itself-for-an-ipo-after-logging-100m-in-2014-revenue/〕 == History == Twilio was founded in 2007 by Jeff Lawson, Evan Cooke, and John Wolthuis〔(Twilio Raises $3.7 Million For Powerful Telephony API )〕 and was originally based in both Seattle, Washington, and San Francisco, California.〔(Twilio scores funding to build telecom in the cloud business )〕 Twilio's first major press coverage was the result of an application built by Jeff Lawson to Rickroll people, which investor Dave McClure used on TechCrunch founder and editor Michael Arrington as a prank.〔Arrington, Michael (November 18, 2008). ("Thanks Twilio, No One Is Safe From The RickRoll Now" ). TechCrunch〕 A few days later the company launched Twilio Voice, an API to make and receive phone calls completely hosted in the cloud.〔Kincaid, Jason (November 20, 2008). ("Twilio: Powerful API For Phone Services That Can Recreate GrandCentral's Core Functionality In 15 Lines Of Code" ). TechCrunch.〕 Twilio's text messaging API was released in February 2010,〔Kincaid, Jason (February 9, 2010). ("Twilio's Telephony API Now Lets Applications Send And Receive SMS Messages" ). TechCrunch.〕 and SMS shortcodes were released in public beta in July 2011.〔Kincaid, Jason (July 13, 2011). ("Twilio's Streamlined Shortcode API Now Open To All" ). TechCrunch.〕 Twilio raised approximately $103 million in venture capital growth funding. Twilio received its first round of seed funding in March 2009 for an undisclosed amount, rumored to be around $250,000,〔(Twilio Crunchbase.com Profile )〕 from Mitch Kapor, The Founders Fund, Dave McClure, David G. Cohen, Chris Sacca, Manu Kumar, and Jeff Fluhr.〔("Twilio Closes Funding Round, Lands Major Customers For Its Telephony API" ). TechCrunch.〕 Twilio's first A round of funding was led by Union Square Ventures for $3.7 million〔 and its second B round of funding was for $12 million was led by Bessemer Venture Partners.〔("Twilio Raises $12 Million For Powerful Telephony API" ). TechCrunch.〕 Twilio received $17 million in a Series C round in December 2011 from Bessemer Venture Partners and Union Square Ventures.〔("Twilio Raises $17M Series C From Bessemer and Union Square to Expand Abroad" ). TechCrunch.〕 In July 2013 Twilio received another $70 million from Redpoint Ventures, Draper Fisher Jurvetson (DFJ) and Bessemer Venture Partners.〔("Twilio Raises A $70M Series D As They Consider An IPO" ). TechCrunch.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Twilio」の詳細全文を読む スポンサード リンク
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