https://api.freestylevault.com/v1/rates
Committed IFTA tax rates for a quarter (?quarter=2026-Q2&fuel_type=diesel&jurisdiction=WA), grouped by jurisdiction × fuel type with effective periods clipped to the quarter — mid-quarter revisions read as separate periods. Human-reviewed against iftach.org every quarter.
#549
$0.0050
4
3
Points earned against points available, biggest lever first.
| Rank | Service | Score | Volume | Price |
|---|---|---|---|---|
| #1 | 73 | 16.4K txns | $0.02 | |
| #2 | 68 | 51.3K txns | $0.01 |
| #3 | 62 | 15.9K txns | $0.05 |
| #4 | 62 | 43.8K txns | $0.01 |
| #5 | 61 | 3.1K txns | $0.0080 |