Cardiospermum halicacabum L., commonly known as balloon vine, is a climbing herb extensively used in Ayurveda, Siddha, and Unani. Native to tropical and subtropical regions, C. halicacabum is cultivated widely in India and other tropical countries, in loamy soils, with minimal agronomic inputs, making it an ideal candidate for sustainable and organic cultivation. The species is rich in bioactive compounds, in cyanogenic glycosides (notably cardiospermin), flavonoids (quercetin, luteolin, and kaempferol), triterpenoids (oleanolic and ursolic acids), phenolic compounds (gallic and caffeic acids), saponins, and essential oils (limonene and β-caryophyllene). These constituents confer anti-inflammatory, antioxidant, antimicrobial, hepatoprotective, CNS depressant, antidiabetic, immunomodulatory, cardioprotective, and wound-healing activities to C. halicacabum. Traditionally it has been used to treat arthritis, eczema, respiratory disorders, and neurological conditions. Modern pharmacological studies, preclinical evaluations in animal models and in vitro assays support many of its traditional claims. Standardized clinical trials are still needed to validate its efficacy and establish dosage guidelines. Given its pharmacological versatility, low toxicity, and traditional significance, C. halicacabum emerges as a promising source for the development of plant-based therapeutics in modern integrative medicine.