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Merchant onboarding took us weeks because we were testing the wrong thing
PayPal merchant onboarding used to take us weeks. Not because the APIs were bad. Because we couldn't tell if the integration actually worked until something broke in production. The request would return 200. The test would pass. Then three days later a merchant would call because their webhook hadn't fired, their payout was stuck, or their dispute state was out of sync. We weren't testing the behavior. We were testing the request. Every integration has a gap between "the request succe...






