⚠️ We no longer recommend implementing this endpoint. Please refer to the Client Links API instead to kick off the onboarding process for your merchants.

Submit data that will be prefilled in the merchant's onboarding. The data you submit will only be processed when the onboarding status is needs-data. Information that the merchant has entered in their dashboard will not be overwritten.

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Access with

Advanced access token with onboarding.writeOAuth access with onboarding.write