Cielo is the largest Brazilian credit and debit card operator and the biggest payment system company in Latin America. It acts as a multi-brand acquirer, providing solutions for managing and processing credit, debit, and Pix transactions. The company also offers e-commerce solutions, including anti-fraud, e-commerce APIs, and payment gateways. Cielo S.A. was founded in 1995 and is headquartered in Barueri, SĂŁo Paulo, Brazil.