I tried to download data from my own (6) sensors using the PurpleAir Downlaod Tool, but got a 402 message that indicated I needed to buy some points. I understand that you want to allow owners to download their own sensors–can you manually allow that for me?
Email contact@purpleair.com, they’ll credit you some points. I think you’ve earned it, anyway.
If you haven’t used the new API points system you’ll have to login to the dashboard and create a project & API key for it. You get a decent sized initial allocation and you can email in to top it up as needed. I found that those points can disappear quick if you make large queries.