Need PayPal TRACKING NUMBER

Hi
My clients pay me for service and PayPal temporary hold my money, and I can't keep selling like that.
because tomorrow another client will pay me and the money will be on hold
Please recommend to me a good tracking number suppliers

Dude what? Can you express your question more clearly?
If you're using Shopify, use the TrackiPal app. Automatically uploads tracking numbers to PayPal so they stop holding your money (or less of it).

After 48h ask the client to confirm the payment you don't need a tn