By DEE-ANN DURBIN and MICHAEL LIEDTKE, AP Business Writers

SAN FRANCISCO (AP) — DoorDash is expanding its offerings, adding restaurant reservations and robot deliveries in some U.S. markets.

The San Francisco-based company, already the largest U.S. delivery provider, announced its expansion plans Tuesday, saying it wants to bring even more business to the merchants it works with and stay ahead of ever-increasing customer demand. DoorDash’s total orders jumped 20% to 761 million in the second quarter of this year.

DoorDash’s robots will bring new challenges to the company as it takes on the responsibility for storing and maintaining the devices. But DoorDash Co-Founder Stanley Tang said the company needs more delivery options to help fuel its future growth.

“The shift to autonomy is hap

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