A search apparatus includes a storage unit configured to store indexes for searching for an object included in an image, link information indicating a function of providing a link for the object, and first supplementary information in association with each other; a receiving unit configured to receive a captured image through a network; a searching unit configured to search for an index for searching for an object included in the received captured image from among the indexes stored in the storage unit based on the object included in the received captured image and second supplementary information for the received captured image, the index being identified based on the first supplementary information and the second supplementary information for the received captured image; and a presenting unit configured to present the link information associated with the index searched for by the searching unit to a source that has transmitted the captured image.