CASH-BACK COMPARISON
Best Lab Testing API Cash Back Rates
Lab Testing API is a brand specializing in laboratory testing services. It serves customers seeking useful options within this category through an online storefront or service.
This Lab Testing API cash-back comparison collects the public portal rates currently tracked for the merchant. Use it to spot the best available payout, review competing program offers, and confirm the final rate on the selected program site before you shop.
BEST TODAY
Best current rate
6%
cash back via BeFrugal
Shop via BeFrugalChecked within the last day.
FULL TABLE
All tracked offers
RATE HISTORY
Rate history
Best tracked cash-back rate over the last 90 days.
| Date | Best rate |
|---|---|
| 2026-07-03 | 1% |
| 2026-07-05 | 1% |
| 2026-07-06 | 1% |
| 2026-07-10 | 1% |
| 2026-07-11 | 1% |
| 2026-07-12 | 1% |
| 2026-07-13 | 1% |
| 2026-07-14 | 1% |
| 2026-07-15 | 1% |
| 2026-07-16 | 1% |
| 2026-07-17 | 1% |
| 2026-07-18 | 1% |
| 2026-07-19 | 1% |
| 2026-07-20 | 1% |
| 2026-07-21 | 1% |
| 2026-07-22 | 1% |
| 2026-07-23 | 1% |
| 2026-07-24 | 1% |
| 2026-07-25 | 1% |
| 2026-07-26 | 1% |
| 2026-07-27 | 1% |
| 2026-07-28 | 1% |
| 2026-07-29 | 1% |
| 2026-07-30 | 1% |
| 2026-07-31 | 1% |
| 2026-08-01 | 6% |
Rates change often - always confirm on the program site before you shop.