Penelitian ini bertujuan untuk menguji pengaruh kualitas informasi dan kepercayaan terhadap niat beli di marketplace dengan pendekatan technology acceptance model (TAM). Penelitian ini dilakukan di Kota Tarakan, dengan subjek penelitian adalah masyarakat kota Tarakan. Pengambilan sampel ini sebanyak 350 sampel dengan kriteria minimal umur 17 tahun keatas dan pernah menggunakan marketplace untuk berbelanja online. Metode analisis yang digunakan adalah partial least square (PLS ver.3.0). Penelitian ini menggunakan metode survey dengan instrumen berupa kuesioner dan metode pengambilan sampel dengan non probability sampling, lebih spesifik purposive sampling. Uji validitas menggunakan konvergen dan diskriminan, dan uji relibilitas menggunakan composite reliability. Hasil penelitian menunjukkan persepsi kegunaan, persepsi kemudahan, kepercayaan dan sikap berpengaruh positif dan signifikan terhadap niat beli di marketplace. Sedangkan kualitas informasi berpengaruh positif dan tidak signifikan terhadap sikap untuk menggunakan marketplace berbelanja online.

Kata Kunci : Persepsi Kegunaan, Persepsi Kemudahan, Kualitas Informasi, kepercayaan, Sikap, Niat.

This study aimed to examine the effect of information quality and trust on purchase intentions in the marketplace using the Technology Acceptance Model (TAM) approach. This research was conducted in the city of Tarakan, with the research subjects being the people of the city of Tarakan. This sample included up to 350 participants who were at least 17 years old and had shopped online using the marketplace. The analytical method used was Partial Least Square (PLS ver.3.0). In this study, non-probability sampling, more precisely purposive sampling, was employed as part of a survey approach with instruments in the form of questionnaires. Convergent and discriminant were employed in the validity test, while composite reliability was used in the reliability test. The results of this study indicated that perceived usefulness, perceived convenience, trust, and attitudes had a positive and significant effect on purchase intentions in the marketplace. While the quality of information had a positive and insignificant effect on attitudes to use online shopping marketplaces. Keywords: Perceived Usability, Perceived Convenience, Information Quality, Trust, Attitude, Intention.