# kaia\_call

#### **Parameters**

| Name              | Type                    | Description                                                                                |
| ----------------- | ----------------------- | ------------------------------------------------------------------------------------------ |
| callObject        | Object                  | The transaction call object. See the next table for the object's properties.               |
| blockNumberOrHash | QUANTITY \| TAG \| HASH | Integer or hexadecimal block number, or the string `"earliest"`, `"latest"` or `"pending"` |

`callObject` has the following properties:

<table><thead><tr><th>Name</th><th width="310">Type</th><th>Description</th></tr></thead><tbody><tr><td>from</td><td>20-byte DATA</td><td>(optional) The address the transaction is sent from.</td></tr><tr><td>to</td><td>20-byte DATA</td><td>(optional when testing the deployment of a new contract) The address the transaction is directed to.</td></tr><tr><td>gas</td><td>QUANTITY</td><td>(optional) Integer of the gas provided for the transaction execution. <code>klay_call</code> consumes zero gas, but this parameter may be needed by some executions.<br></td></tr><tr><td>gasPrice</td><td>QUANTITY</td><td>(optional) Integer of the gasPrice used for each paid gas.</td></tr><tr><td>value</td><td>QUANTITY</td><td>(optional) Integer of the value sent with this transaction.</td></tr><tr><td>data</td><td>DATA</td><td>(optional) Hash of the method signature and encoded parameters. Data size is limited to 20KB.</td></tr></tbody></table>

#### **Return Value**

| Type | Description                            |
| ---- | -------------------------------------- |
| DATA | The return value of executed contract. |

#### Example

{% code overflow="wrap" %}

```json
// Request
curl -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "method": "kaia_call", "params": [{"from": "0x3f71029af4e252b25b9ab999f77182f0cd3bc085", "to": "0x87ac99835e67168d4f9a40580f8f5c33550ba88b", "gas": "0x100000", "gasPrice": "0x5d21dba00", "value": "0x0", "data": "0x8ada066e"}, "latest"], "id": 1}' http://kaia.blockpi.network/v1/rpc/your-api-key

// Result
{"jsonrpc":"2.0","id":1,"result":"0x000000000000000000000000000000000000000000000000000000000000000a"}
```

{% endcode %}


---

# 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.blockpi.io/build/api-reference/kaia/klay_call.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.