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

# Error Codes

| Code | Explanation                       | Error Description                             |
| ---- | --------------------------------- | --------------------------------------------- |
| 400  | **PARAM\_ERROR**                  | Request parameter error                       |
| 400  | **ADDRESS\_UNAVAILABLE**          | Wallet address is invalid or unavailable      |
| 400  | **TIME\_OUT**                     | Timestamp is invalid or expired               |
| 400  | **CALLBACK\_URL\_ERROR**          | Callback URL is incorrect                     |
| 400  | **INSIDE\_ADDRESS**               | Recipient is an internal platform address     |
| 400  | **AMOUNT\_PRECISION\_TOO\_SMALL** | Decimal precision of the amount is invalid    |
| 401  | **UNAUTHORIZED\_ACCESS**          | API Key is invalid                            |
| 401  | **SIGN\_ERROR**                   | Signature error                               |
| 401  | **IP\_NOT\_IN\_WHITELIST**        | Request IP is not in the whitelist            |
| 401  | **ACCOUNT\_NOT\_ACTIVATE**        | Account not activate                          |
| 403  | **NO\_AUTH**                      | API Key lacks permissions                     |
| 403  | **BUSINESS\_ID\_EXISTENCE**       | Duplicate `businessId`                        |
| 403  | **TRADE\_ERROR**                  | Transaction error                             |
| 403  | **NOT\_SUFFICIENT\_FUNDS**        | Insufficient account balance                  |
| 429  | **FREQUENCY\_LIMITED**            | Request frequency exceeded limit              |
| 450  | **SUSPENDED\_WITHDRAWAL**         | Withdrawals are temporarily suspended         |
| 450  | **SUSPENDED\_DEPOSIT**            | Deposits are temporarily suspended            |
| 500  | **SYSTEM\_ERROR**                 | Internal system error, please try again later |