> For the complete documentation index, see [llms.txt](https://docs.kaiko.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.kaiko.com/rest-api/general/getting-started/envelope.md).

# Envelope

All API responses are in JSON format. A `result` field, with a value of `success` or `error` is returned with each request. In the event of an error, a `message` field will provide an error message.

An `access` object is also echoed back. It contains two ranges of timestamps:

* `access_range`: The time range for which the Client has access to the API
* `data_range` : The time range of data the Client is authorized to access

| Key         | Data type  | Description                                       |
| ----------- | ---------- | ------------------------------------------------- |
| `access`    | `{}`       | Time ranges of accesses.                          |
| `data`      | `[] \| {}` | Response result data.                             |
| `message`   | `string`   | Error message, if query was not successful.       |
| `query`     | `{}`       | All handled query parameters echoed back.         |
| `result`    | `string`   | `success` if query successful, `error` otherwise. |
| `time`      | `string`   | The current time at our endpoint.                 |
| `timestamp` | `long`     | The current time at our endpoint.                 |


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