EIA data on domestic natural gas prices, exploration and reserves, production, imports and exports, storage, pipelines, and consumption. Data released on a weekly, monthly and/or annual basis. The International Energy Data API provides international natural gas data: http://www.eia.gov/beta/api/qb.cfm?category=1505864 Users of the EIA API are required to obtain an API Key via this registration form: http://www.eia.gov/beta/api/register.cfm