Trusted for Over 60 Years! Quality Water Heating, Lawn & Garden, and Bird Feeding Products. API® has remained a trusted name in heated products for over 65 years. With a wide variety of products spanning the agricultural, pet, wild bird, and pond markets, API® has the right product for all seasons. From the revolutionary all-season UL-certified LOCKNDRY® extension cord to a broad range of de-icing units, API® not only provides quality products but also highly efficient technology to the hobbyist market.