v45

latestOpenAPI 3.0.0raw.githubusercontent.com2026-07-2684278289.5 KB
Onboarding

Submit onboarding data

Submit onboarding data for applicants to pre-fill their Mercury application

post/submit-onboarding-data

Request body

applicationType'PendingEINApplication' | 'DefaultApplication'
inviteEmailstring
partnerstring required
webhookURLstring nullable

Example request

{
  "beneficialOwners": [
    {
      "dateOfBirth": "2016-07-22"
    }
  ],
  "formationDetails": {
    "federalEin": "12-3456789",
    "formationDocumentFileBlob": "12-3456789"
  }
}

Response

onboardingDataIdstring uuid required

ID for this saved onboarding data

signupLinkstring required