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The base URL for all public API endpoints is https://api.finosu.com.

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Authentication

All API endpoints are authenticated using API keys passed in the X-API-Key header. A missing, empty, invalid, or inactive API key returns 401 Unauthorized. Provide an active key before retrying. With valid authentication, invalid request fields can return 422; check the endpoint’s request schema.
Sample authenticated request:
To export call history across your company, use List All Calls. The endpoint supports cursor pagination, optional customer/call-type/date filters, and a complete-history export example.

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Choose your workflow

  • Origination: start here for new leads, returning borrowers, and one-off outreach. Enrollment creates or reuses the customer; a separate customer-create call is not required.
  • Collections: create the customer, then create the loan for accounts configured for loan-based collections boarding.
  • Existing schedule replacement: use Customer Schedule Sync only when your integration intends to replace pending schedules.