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Errors return JSON with code, message, and debug_message. The code aligns with FDX where possible; debug_message is for troubleshooting only.

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Error Response Format

{
  "code": 701,
  "message": "Account not found",
  "debug_message": "Account not found. Use /accounts to get a list of accounts and their IDs."
}

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Common Error Codes

CodeDescription
500Internal server error
501Subsystem unavailable
503Scheduled maintenance
601Data not found
602Customer not authorized
701Account not found
703Invalid input (including invalid date ranges)
704Account type not supported
705Account is closed
801Transaction not found