# Status Code

Our application always returns a 200 status code for successful responses. Below, we outline the common errors that may occur and how to address them:

| Code | Reference         | Explanation                                                                                                                                                                                                       |
| ---- | ----------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 400  | BAD REQUEST       | ZapSign processes all requests in JSON, so formatting errors such as missing commas, malformed base64, etc., can cause this error.                                                                                |
| 401  | UNAUTHORIZED      | The server did not authorize the request. Your [Access Token](/english/authentication/jwt-authentication/get-access-token.md) may be incorrect.                                                                   |
| 402  | PAYMENT REQUIRED  | The client does not have an API plan. In the production environment, it is mandatory to have a monthly plan to use the API. Navigate to Settings > Plans and Pricing or [click here.](https://zapsign.co/pricing) |
| 403  | FORBIDDEN         | The server did not authorize the request. Check if the API token used corresponds to the environment you want to use.                                                                                             |
| 404  | NOT FOUND         | The server could not find the resource or is unwilling to disclose its existence. Check the URL used or the template ID if you are using Templates.                                                               |
| 406  | NOT ACCEPTABLE    | Check if you are sending your request in JSON format. Remember to verify strings and booleans throughout the body                                                                                                 |
| 429  | TOO MANY REQUESTS | The client has exceeded the allowed request limit within a specific time period.                                                                                                                                  |
|      |                   |                                                                                                                                                                                                                   |


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.zapsign.com.br/english/status-code.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.