# starknet_addInvokeTransaction

> For the complete documentation index, see [llms.txt](/docs/llms.txt).

POST https://starknet-mainnet.g.alchemy.com/v2/{apiKey}

Submits an invoke transaction to the Starknet network to execute smart contract functions.

Reference: https://www.alchemy.com/docs/chains/starknet/starknet-api-endpoints/starknet-add-invoke-transaction

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| invoke_transaction | object | Yes | The information needed to invoke the function or account |

## Result

**result** (object): The result of the transaction submission

## Code Examples

### cURL

```bash
curl --request POST \
  --url https://starknet-mainnet.g.alchemy.com/v2/docs-demo \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "starknet_addInvokeTransaction",
  "params": [
    {
      "type": "INVOKE",
      "sender_address": "string",
      "calldata": [
        "string"
      ],
      "version": "0x3",
      "signature": [
        "string"
      ],
      "nonce": "string",
      "resource_bounds": {
        "l1_gas": {
          "max_amount": "string",
          "max_price_per_unit": "string"
        },
        "l2_gas": {
          "max_amount": "string",
          "max_price_per_unit": "string"
        }
      },
      "tip": "string",
      "paymaster_data": [
        "string"
      ],
      "account_deployment_data": [
        "string"
      ],
      "nonce_data_availability_mode": "L1",
      "fee_data_availability_mode": "L1"
    }
  ]
}'
```

### JavaScript

```javascript
const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    jsonrpc: '2.0',
    id: 1,
    method: 'starknet_addInvokeTransaction',
    params: [
      {
        type: 'INVOKE',
        sender_address: 'string',
        calldata: ['string'],
        version: '0x3',
        signature: ['string'],
        nonce: 'string',
        resource_bounds: {
          l1_gas: {max_amount: 'string', max_price_per_unit: 'string'},
          l2_gas: {max_amount: 'string', max_price_per_unit: 'string'}
        },
        tip: 'string',
        paymaster_data: ['string'],
        account_deployment_data: ['string'],
        nonce_data_availability_mode: 'L1',
        fee_data_availability_mode: 'L1'
      }
    ]
  })
};

fetch('https://starknet-mainnet.g.alchemy.com/v2/docs-demo', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
```

### Python

```python
import requests

url = "https://starknet-mainnet.g.alchemy.com/v2/docs-demo"

payload = {
    "jsonrpc": "2.0",
    "id": 1,
    "method": "starknet_addInvokeTransaction",
    "params": [
        {
            "type": "INVOKE",
            "sender_address": "string",
            "calldata": ["string"],
            "version": "0x3",
            "signature": ["string"],
            "nonce": "string",
            "resource_bounds": {
                "l1_gas": {
                    "max_amount": "string",
                    "max_price_per_unit": "string"
                },
                "l2_gas": {
                    "max_amount": "string",
                    "max_price_per_unit": "string"
                }
            },
            "tip": "string",
            "paymaster_data": ["string"],
            "account_deployment_data": ["string"],
            "nonce_data_availability_mode": "L1",
            "fee_data_availability_mode": "L1"
        }
    ]
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
```

### Go

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://starknet-mainnet.g.alchemy.com/v2/docs-demo"

	payload := strings.NewReader("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"starknet_addInvokeTransaction\",\n  \"params\": [\n    {\n      \"type\": \"INVOKE\",\n      \"sender_address\": \"string\",\n      \"calldata\": [\n        \"string\"\n      ],\n      \"version\": \"0x3\",\n      \"signature\": [\n        \"string\"\n      ],\n      \"nonce\": \"string\",\n      \"resource_bounds\": {\n        \"l1_gas\": {\n          \"max_amount\": \"string\",\n          \"max_price_per_unit\": \"string\"\n        },\n        \"l2_gas\": {\n          \"max_amount\": \"string\",\n          \"max_price_per_unit\": \"string\"\n        }\n      },\n      \"tip\": \"string\",\n      \"paymaster_data\": [\n        \"string\"\n      ],\n      \"account_deployment_data\": [\n        \"string\"\n      ],\n      \"nonce_data_availability_mode\": \"L1\",\n      \"fee_data_availability_mode\": \"L1\"\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}
```

### Java

```java
HttpResponse<String> response = Unirest.post("https://starknet-mainnet.g.alchemy.com/v2/docs-demo")
  .header("Content-Type", "application/json")
  .body("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"starknet_addInvokeTransaction\",\n  \"params\": [\n    {\n      \"type\": \"INVOKE\",\n      \"sender_address\": \"string\",\n      \"calldata\": [\n        \"string\"\n      ],\n      \"version\": \"0x3\",\n      \"signature\": [\n        \"string\"\n      ],\n      \"nonce\": \"string\",\n      \"resource_bounds\": {\n        \"l1_gas\": {\n          \"max_amount\": \"string\",\n          \"max_price_per_unit\": \"string\"\n        },\n        \"l2_gas\": {\n          \"max_amount\": \"string\",\n          \"max_price_per_unit\": \"string\"\n        }\n      },\n      \"tip\": \"string\",\n      \"paymaster_data\": [\n        \"string\"\n      ],\n      \"account_deployment_data\": [\n        \"string\"\n      ],\n      \"nonce_data_availability_mode\": \"L1\",\n      \"fee_data_availability_mode\": \"L1\"\n    }\n  ]\n}")
  .asString();
```

### C#

```csharp
using RestSharp;


var options = new RestClientOptions("https://starknet-mainnet.g.alchemy.com/v2/docs-demo");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddJsonBody("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"starknet_addInvokeTransaction\",\n  \"params\": [\n    {\n      \"type\": \"INVOKE\",\n      \"sender_address\": \"string\",\n      \"calldata\": [\n        \"string\"\n      ],\n      \"version\": \"0x3\",\n      \"signature\": [\n        \"string\"\n      ],\n      \"nonce\": \"string\",\n      \"resource_bounds\": {\n        \"l1_gas\": {\n          \"max_amount\": \"string\",\n          \"max_price_per_unit\": \"string\"\n        },\n        \"l2_gas\": {\n          \"max_amount\": \"string\",\n          \"max_price_per_unit\": \"string\"\n        }\n      },\n      \"tip\": \"string\",\n      \"paymaster_data\": [\n        \"string\"\n      ],\n      \"account_deployment_data\": [\n        \"string\"\n      ],\n      \"nonce_data_availability_mode\": \"L1\",\n      \"fee_data_availability_mode\": \"L1\"\n    }\n  ]\n}", false);
var response = await client.PostAsync(request);

Console.WriteLine("{0}", response.Content);

```


## OpenRPC Method Specification

```yaml
name: starknet_addInvokeTransaction
description: Submits an invoke transaction to the Starknet network to execute smart contract functions.
paramStructure: by-name
params:
  - name: invoke_transaction
    description: The information needed to invoke the function or account
    required: true
    schema:
      title: Invoke Transaction
      description: A transaction that has been broadcasted to the network
      oneOf:
        - title: Invoke transaction V3
          description: Initiates a transaction from a given account
          type: object
          required:
            - type
            - sender_address
            - calldata
            - version
            - signature
            - nonce
            - resource_bounds
            - tip
            - paymaster_data
            - account_deployment_data
            - nonce_data_availability_mode
            - fee_data_availability_mode
          properties:
            type:
              title: Type
              type: string
              enum:
                - INVOKE
            sender_address:
              title: Sender address
              description: A contract address
              type: string
              pattern: ^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,62})$
            calldata:
              title: Calldata
              type: array
              description: |
                The data expected by the account's `execute` function (in most use cases, this includes the called contract address and a function selector)
              items:
                title: Field element
                description: A field element. Represented by at most 63 hex digits
                type: string
                pattern: ^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,62})$
            version:
              title: Version
              description: Version of the transaction scheme
              type: string
              enum:
                - '0x3'
                - '0x100000000000000000000000000000003'
            signature:
              title: Signature
              description: A transaction signature
              type: array
              items:
                title: Field element
                description: A field element. Represented by at most 63 hex digits
                type: string
                pattern: ^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,62})$
            nonce:
              title: Nonce
              description: A field element. Represented by at most 63 hex digits
              type: string
              pattern: ^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,62})$
            resource_bounds:
              title: Resource bounds
              description: Resource bounds for the transaction execution
              type: object
              required:
                - l1_gas
                - l2_gas
              properties:
                l1_gas:
                  title: L1 Gas
                  description: The max amount and max price per unit of L1 gas used in this transaction
                  type: object
                  required:
                    - max_amount
                    - max_price_per_unit
                  properties:
                    max_amount:
                      title: Max amount
                      description: The max amount of the resource that can be used in the transaction
                      type: string
                      pattern: ^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,15})$
                    max_price_per_unit:
                      title: Max price per unit
                      description: The max price per unit of this resource for this transaction
                      type: string
                      pattern: ^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,31})$
                l2_gas:
                  title: L2 Gas
                  description: The max amount and max price per unit of L2 gas used in this transaction
                  type: object
                  required:
                    - max_amount
                    - max_price_per_unit
                  properties:
                    max_amount:
                      title: Max amount
                      description: The max amount of the resource that can be used in the transaction
                      type: string
                      pattern: ^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,15})$
                    max_price_per_unit:
                      title: Max price per unit
                      description: The max price per unit of this resource for this transaction
                      type: string
                      pattern: ^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,31})$
            tip:
              title: Tip
              description: The tip for the transaction
              type: string
              pattern: ^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,15})$
            paymaster_data:
              title: Paymaster data
              type: array
              description: Data needed to allow the paymaster to pay for the transaction in native tokens
              items:
                title: Field element
                description: A field element. Represented by at most 63 hex digits
                type: string
                pattern: ^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,62})$
            account_deployment_data:
              title: Account deployment data
              type: array
              description: Data needed to deploy the account contract from which this transaction will be initiated
              items:
                title: Field element
                description: A field element. Represented by at most 63 hex digits
                type: string
                pattern: ^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,62})$
            nonce_data_availability_mode:
              title: Nonce DA mode
              description: |
                The storage domain of the account's nonce (an account has a nonce per DA mode)
              type: string
              enum:
                - L1
                - L2
            fee_data_availability_mode:
              title: Fee DA mode
              description: |
                The storage domain of the account's balance from which the fee will be charged
              type: string
              enum:
                - L1
                - L2
result:
  name: result
  description: The result of the transaction submission
  schema:
    title: InvokeTransactionResult
    type: object
    required:
      - transaction_hash
    properties:
      transaction_hash:
        title: Transaction hash
        description: The hash of the invoke transaction
        type: string
        pattern: ^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,62})$
```