Klaviyo (KVYO) reported Q1 non-GAAP Earnings late Tuesday of $0.14 per diluted share, up from $0.13 a year earlier.
Analysts polled by FactSet expected $0.12.
Revenue in the three months ended March 31 rose to $279.8 million from $210 million a year earlier.
Analysts surveyed by FactSet expected $267.9 million.
The company expects Q2 revenue of $276 million to $280 million. Analysts project $275.8 million.
The company increased full-year revenue guidance to $1.171 billion to 1.179 billion from $1.156 billion to $1.164 billion. Analysts expect $1.16 billion.
Shares of the company jumped 4.9% in after-hours trading.