> ## Documentation Index
> Fetch the complete documentation index at: https://docs.niobi.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Client Errors

> This section describes a list of errors caused by issues in the client's request, such as invalid data, missing fields, or insufficient permissions.

| Error Code | Error Message                                                                                                                                    | Action Required                                                                                                                                                                                                                                                                       |
| ---------- | ------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 400        | [Account details are missing.](/errors/400/account-details-missing)                                                                              | Account details for the payment method are missing. Ensure that you have provided the necessary account details for the specified payment method.                                                                                                                                     |
| 400        | [Country was not found](/errors/400/country-not-found)                                                                                           | The country id used is incorrect or missing. Make sure you are using the correct country id as listed in the [supported countries section](/countries-v4)                                                                                                                             |
| 400        | [Niobi user not found.](/errors/400/niobi-user-not-found)                                                                                        | User or api credentials do not exist. Ensure the integration being used is active and that a valid user linked to it.                                                                                                                                                                 |
| 400        | [Payment method type is wrong or missing](/errors/400/payment-method-type-missing)                                                               | The payment method in the API request is invalid or missing. Make sure you are using one of the supported payment methods found in the [collections](/api-reference/payment-link/unified-collections) or [disbursements](/api-reference/payment/niobi-unified-payment-version-3) page |
| 400        | [Your account has insufficient balance to complete this transaction. Please top up the account and try again.](/errors/400/insufficient-balance) | There are insufficient funds in your currency wallet. Top up your account to complete the transaction.                                                                                                                                                                                |
| 400        | [Your transaction amount exceeded the limit. Please input an amount below \{amount}.](/errors/400/transaction-amount-exceeded-limit)             | The transaction limit has been exceeded. Reduce the transaction amount to a value below the maximum limit as listed [here](/transaction-limitsv4)                                                                                                                                     |
| 400        | [Your transaction amount is not sufficient.](/errors/400/insufficient-transaction-amount)                                                        | The transaction amount is lower than the minium transacion limit. Ensure the amount is above the minimum limit supported by a specific country or payment method as listed [here](/transaction-limitsv4)                                                                              |
| 403        | [Client id not matched](/errors/403/client-id-not-matched)                                                                                       | The client ID is incorrect. Ensure you are using the correct client key for the integration, which is generated when creating API credentials. Please refer to [API Credentials Section](/gettingcredentials) for more information on generating credentials.                         |
| 403        | [Entity integration record not found](/errors/403/entity-record-not-found)                                                                       | The integration name is invalid. Verify that the sender value used in signing the request matches the API integration title created. Please refer to [API Credentials Section](/gettingcredentials) for more information on generating credentials.                                   |