They verify if the email is formatted correctly and if the domain (e.g., @gmail.com) exists. PayPal API/Scraping:
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PayPal continues to evolve its API offerings, but as of 2026, there is still no simple “email validation” endpoint publicly available. However, several trends may shape the future: They verify if the email is formatted correctly
PayPal’s User Agreement explicitly prohibits “unauthorized access” and “data scraping” from its platform. Tools that attempt to simulate login requests or probe PayPal’s APIs without proper authorization—including many GitHub scripts that claim “direct API access”—likely violate these terms. Violations can result in: If you share with third parties, their policies apply