[1] The temple is recognized as one of the State Protected Monuments by the Archaeological Survey of India (ASI) in Andhra Pradesh[2] and is renowned for its religious significance and historical inscriptions.

[9] Several other inscriptions, dating to the early 13th century, document grants made by a ruler identified as Vishnuvardhana Maharaja, who is believed to be the same as the local chieftain Mallapa III.

[5] Architecturally, the temple exemplifies a blend of Chalukyan and Chola styles, characterized by red stone masonry and intricate carvings.

The temple’s gopura (tower) features elaborate depictions of various deities and mythological scenes, while the pillars and mandapa (hall) display intricate carvings, including the detailed representations of the dwarapalakas (gatekeepers), Jaya and Vijaya.

When Kadru's trick to deceive her co-wife Vinata failed due to her sons' disobedience, she cursed them to perish in King Janamejaya's serpent sacrifice.

Lord Vishnu, pleased with Ananta's devotion, appeared and declared that the place would be named "Sarpapura" in his honour, promising that He and His consort Lakshmi would reside there and would be consecrated there by sage Narada.

The location has been esteemed as a sacred Punya Kshetra since ancient times, with royal patronage from the Rajas of Pithapuram supporting grand festivities.