> For the complete documentation index, see [llms.txt](https://docs.misttrack.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.misttrack.io/support/common-error-messages.md).

# Common Error Messages

An API call that encounters an error will return `False` as its `success` field and display the cause of the error under the `msg` field.

| Field `msg`                   | Description                                                                                                                                                                   |
| ----------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `MaxRateLimit`     Deprecated | ~~Max rate limit reached~~                                                                                                                                                    |
| `ExceededRateLimit`           | Reached the rate limit per second                                                                                                                                             |
| `ExceededDailyRateLimit`      | Reached daily rate limit                                                                                                                                                      |
| `InvalidApiKey`               | Invalid API key                                                                                                                                                               |
| `UnsupportedToken`            | Unsupported query coin                                                                                                                                                        |
| `InvalidAddress`              | Invalid query address                                                                                                                                                         |
| `PageNotFound`                | Page not found                                                                                                                                                                |
| `ExpiredPlan`                 | Plan has expired                                                                                                                                                              |
| `TaskNotFound`                | The task cannot be found. You need to [create it](https://docs.misttrack.io/support/pages/0PAQXf7RDrWKrvRimA1T#id-1.-create-task-api) first and then query it.                |
| `UnsupportedAddressType`      | Some endpoints (such as [Address Counterparty](/api-endpoints/get-address-counterparty.md)) do not support analyzing hot wallet addresses and will return this error message. |
| `QuotaExhausted`              | This error will be received when a user runs out of their developer plan credits.                                                                                             |


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