U.S. Per Diem & Travel Allowance Rates

Official U.S. government per diem and overseas allowance rates, normalized and queryable. The U.S. publishes travel rates across three separate systems — browse them below, or pull any rate as JSON through the API.

One API for every U.S. travel rate

GSA, DTMO and DSSR rates — current and historical — in one normalized REST API.

Data sourced from official public per diem and allowance tables. Not affiliated with any U.S. Government agency.