In the time frame of 675 days beginning May 7, 2023, sendbox.co's availability was checked 16 times. Including the February 19, 2025, check that returned a 200 code, sendbox.co has been available in 16 out of all attempted tests. As of March 13, 2025, no instances of sendbox.co being down had occurred during the inspections that were conducted. As of March 13, 2025, all responses received have confirmed that there are no errors present in any of the replies. A response from sendbox.co was recorded at 1.013 seconds on February 19, 2025, differing from 1.064 seconds on average.