0001447669 2020-02-05 2020-02-05 false 0001447669 8-K 2020-02-05 Twilio Inc. DE 001-37806 26-2574840 101 Spear Street First Floor San Francisco CA 94105 415 390-2337 false false false false Class A Common Stock, par value $0.001 per share TWLO NYSE false