Error codes catalog

This page lists all current API error codes. Each error response includes a numeric code you can match against programmatically. The first three digits map to the HTTP status class (e.g., 400xxx => HTTP 400 Bad Request).

400 Bad Request

• 400001 — ArgumentMissingOrUnparseable: A required argument was not provided or could not be parsed.
• 400002 — ValidationError: The request failed validation; check the message for details.
• 400003 — FromMustBeNonNegative: The from parameter must be greater than or equal to 0.
• 400004 — LimitMustBeNonNegative: The limit parameter must be greater than or equal to 0.
• 400005 — LimitTooLarge: The limit parameter exceeds the maximum allowed value.
• 400006 — UserAlreadyExists: A user with this ID already exists.
• 400007 — AlreadyPaid: The item has already been paid.
• 400008 — NoPaymentNecessary: No payment is required for this operation.
• 400009 — EmailUpdateFailed: The e-mail update failed (client-correctable issue).
• 400010 — OnlyInviteeCanAccept: Only the invited user can accept this invitation.
• 400011 — ExceededMaxCsvDateRange: The requested CSV export date range exceeds the allowed maximum.
• 400012 — PriceCalculationError: Price calculation failed; see message for details.
• 400013 — CheckoutError: Checkout failed; see message for details.
• 400014 — PasskeysAlreadyRequired: Passkeys are already required by policy.
• 400015 — QueryError: The server could not process the query; see message for details.
• 400016 — SubscriberRefundRequestTooLate: The refund request was submitted after the refund period and was rejected.

401 Unauthorized

• 401001 — AuthenticationRequired: Authentication is required for this endpoint.

403 Forbidden

• 403001 — UserUnauthorized: The user is not authorized to perform this action.
• 403002 — SignInAgainRequired: Account is temporarily locked; sign in again interactively.
• 403003 — UserBanned: The user is banned.
• 403004 — UserSuspended: The user is suspended.
• 403005 — LockedOut: This operation is locked out until a specified time.
• 403006 — ElevatedSecurityRequired: Elevated security is required (passkey or recent interactive authentication per policy).
• 403007 — OnlyLegalSignatoryCanSign: Only a legal signatory for the organization can sign this.
• 403008 — CreateForbidden: The user is not allowed to create this resource.
• 403009 — ReadForbidden: The user is not allowed to read this resource.
• 403010 — UpdateForbidden: The user is not allowed to update this resource.
• 403011 — DeleteForbidden: The user is not allowed to delete this resource.
• 403012 — WrongPasskeyResetCode: The provided passkey reset code is incorrect.
• 403013 — TwoFactorRequired: User requires 2FA verification via passkey.
• 403014 — ScopeMissing: The required scope is missing from the access token.

404 Not Found

• 404001 — UserNotFoundInDb: The specified user was not found in the database.
• 404002 — NoActiveOffer: The requested module has no active offer.
• 404003 — NotFound: The requested entity was not found.
• 404004 — NoPasskeysRegistered: No passkeys are registered for this account.

409 Conflict

• 409001 — PriceCalculationInvalid: The price calculation is invalid or outdated and needs to be refreshed.

422 Unprocessable Entity

• 422001 — OtpVerificationFailure: One-time password (OTP) verification failed.

451 Unavailable For Legal Reasons

• 451001 — AccountTermsAcceptanceRequired: You must accept the specified account terms version to proceed.

500 Internal Server Error

• 500001 — UnexpectedError: An unexpected server error occurred.