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Revenue by Geographic Area and Groups of Similar Products - Revenue by Geographic Area (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Revenue by geographic area: |  |  |
Revenue | $ 4,458,036 | $ 4,153,945 | $ 3,826,321
Twilio Segment |  |  |
Revenue by geographic area: |  |  |
Revenue | 297,696 | 295,252 | 276,234
Twilio Communications | Twilio Communications |  |  |
Revenue by geographic area: |  |  |
Revenue | 4,160,340 | 3,858,693 | 3,550,087
Messaging | Twilio Communications |  |  |
Revenue by geographic area: |  |  |
Revenue | 2,358,767 | 2,184,752 | 2,066,300
Voice | Twilio Communications |  |  |
Revenue by geographic area: |  |  |
Revenue | 543,117 | 511,728 | 474,790
Email | Twilio Communications |  |  |
Revenue by geographic area: |  |  |
Revenue | 488,271 | 440,185 | 399,314
Other | Twilio Communications |  |  |
Revenue by geographic area: |  |  |
Revenue | 770,185 | 722,028 | 609,683
United States |  |  |
Revenue by geographic area: |  |  |
Revenue | $ 2,898,056 | $ 2,757,470 | $ 2,510,525
United States | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk |  |  |
Percentage of revenue by geographic area: |  |  |
Percentage of revenue | 65.00% | 66.00% | 66.00%
International |  |  |
Revenue by geographic area: |  |  |
Revenue | $ 1,559,980 | $ 1,396,475 | $ 1,315,796
International | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk |  |  |
Percentage of revenue by geographic area: |  |  |
Percentage of revenue | 35.00% | 34.00% | 34.00%

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