PayPal is a Payment Gateway Software. PayPal offers Invoice Payment, PoS Transactions, Multiple Currency Processing, Recurring Billing, Website Payments and many more functionalities.
Some top alternatives to PayPal includes PayU, Global Payments, Paytm Payment Gateway, India Online Pay and Better Payment.
Yes, PayPal provides API.
Yes, PayPal provides mobile app.
PayPal is located in San Jose, California
PayPal offers Quotation Based pricing model
Yes, PayPal can integrate with Quickbooks, Xero, ActiveCampaign, WordPress and many more.You can find more integration for PayPal here
The starting price is not disclosed by PayPal. You can visit PayPal pricing page to get the latest pricing.