# submitpackage

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

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

Submits a package containing multiple raw transactions to the mempool for validation and acceptance.


Reference: https://www.alchemy.com/docs/chains/bitcoin/bitcoin-api-endpoints/submitpackage

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| package | string[] | Yes | An array of raw transactions (serialized hex strings) to be submitted as a package.  |

## Result

**result** (object): Transaction results keyed by `wtxid`.

## Example

### Request

```json
{
  "jsonrpc": "2.0",
  "method": "submitpackage",
  "params": [
    [
      "0200000000010153fc6712e0c6cbfd15e56743f2a16bba3c0b17837d4fd33d68d2d930739e2b130000000000ffffffff01c0c62d0000000000160014c24b61118d4a2b36257b65e1ea7f15f85e41ff0402483045022100ac32e935715a57ec1d642a5e178c37f74c013bf8e4edc4cb1c79f5352f136e87022020b0b3192347d1b84e9b89d00a2ecb290f18f9c39e514fa3ef2b7a889e7b6c1b012103ab0b56c7aa6254a80c124e04d2149f7fc376afedfe4623f3c59b87c279eaeb1400000000"
    ]
  ],
  "id": 1
}
```

### Response

```json
{
  "jsonrpc": "2.0",
  "result": {
    "package_msg": "transaction failed",
    "tx-results": {
      "6dbccbd4775598af6e9713cd84e90e80431ecc7e932c4b832ab3966ad988bc08": {
        "txid": "c67ecf450828d639a8cf3d74f168fe6bd9a1121a1167a1d46908d703f871c3a6",
        "error": "bad-txns-inputs-missingorspent"
      }
    },
    "replaced-transactions": []
  },
  "id": 1
}
```

## Code Examples

### cURL

```bash
curl --request POST \
  --url https://bitcoin-mainnet.g.alchemy.com/v2/docs-demo \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "submitpackage",
  "params": [
    [
      "0200000000010153fc6712e0c6cbfd15e56743f2a16bba3c0b17837d4fd33d68d2d930739e2b130000000000ffffffff01c0c62d0000000000160014c24b61118d4a2b36257b65e1ea7f15f85e41ff0402483045022100ac32e935715a57ec1d642a5e178c37f74c013bf8e4edc4cb1c79f5352f136e87022020b0b3192347d1b84e9b89d00a2ecb290f18f9c39e514fa3ef2b7a889e7b6c1b012103ab0b56c7aa6254a80c124e04d2149f7fc376afedfe4623f3c59b87c279eaeb1400000000"
    ]
  ]
}'
```

### JavaScript

```javascript
const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    jsonrpc: '2.0',
    id: 1,
    method: 'submitpackage',
    params: [
      [
        '0200000000010153fc6712e0c6cbfd15e56743f2a16bba3c0b17837d4fd33d68d2d930739e2b130000000000ffffffff01c0c62d0000000000160014c24b61118d4a2b36257b65e1ea7f15f85e41ff0402483045022100ac32e935715a57ec1d642a5e178c37f74c013bf8e4edc4cb1c79f5352f136e87022020b0b3192347d1b84e9b89d00a2ecb290f18f9c39e514fa3ef2b7a889e7b6c1b012103ab0b56c7aa6254a80c124e04d2149f7fc376afedfe4623f3c59b87c279eaeb1400000000'
      ]
    ]
  })
};

fetch('https://bitcoin-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://bitcoin-mainnet.g.alchemy.com/v2/docs-demo"

payload = {
    "jsonrpc": "2.0",
    "id": 1,
    "method": "submitpackage",
    "params": [["0200000000010153fc6712e0c6cbfd15e56743f2a16bba3c0b17837d4fd33d68d2d930739e2b130000000000ffffffff01c0c62d0000000000160014c24b61118d4a2b36257b65e1ea7f15f85e41ff0402483045022100ac32e935715a57ec1d642a5e178c37f74c013bf8e4edc4cb1c79f5352f136e87022020b0b3192347d1b84e9b89d00a2ecb290f18f9c39e514fa3ef2b7a889e7b6c1b012103ab0b56c7aa6254a80c124e04d2149f7fc376afedfe4623f3c59b87c279eaeb1400000000"]]
}
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://bitcoin-mainnet.g.alchemy.com/v2/docs-demo"

	payload := strings.NewReader("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"submitpackage\",\n  \"params\": [\n    [\n      \"0200000000010153fc6712e0c6cbfd15e56743f2a16bba3c0b17837d4fd33d68d2d930739e2b130000000000ffffffff01c0c62d0000000000160014c24b61118d4a2b36257b65e1ea7f15f85e41ff0402483045022100ac32e935715a57ec1d642a5e178c37f74c013bf8e4edc4cb1c79f5352f136e87022020b0b3192347d1b84e9b89d00a2ecb290f18f9c39e514fa3ef2b7a889e7b6c1b012103ab0b56c7aa6254a80c124e04d2149f7fc376afedfe4623f3c59b87c279eaeb1400000000\"\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://bitcoin-mainnet.g.alchemy.com/v2/docs-demo")
  .header("Content-Type", "application/json")
  .body("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"submitpackage\",\n  \"params\": [\n    [\n      \"0200000000010153fc6712e0c6cbfd15e56743f2a16bba3c0b17837d4fd33d68d2d930739e2b130000000000ffffffff01c0c62d0000000000160014c24b61118d4a2b36257b65e1ea7f15f85e41ff0402483045022100ac32e935715a57ec1d642a5e178c37f74c013bf8e4edc4cb1c79f5352f136e87022020b0b3192347d1b84e9b89d00a2ecb290f18f9c39e514fa3ef2b7a889e7b6c1b012103ab0b56c7aa6254a80c124e04d2149f7fc376afedfe4623f3c59b87c279eaeb1400000000\"\n    ]\n  ]\n}")
  .asString();
```

### C#

```csharp
using RestSharp;


var options = new RestClientOptions("https://bitcoin-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\": \"submitpackage\",\n  \"params\": [\n    [\n      \"0200000000010153fc6712e0c6cbfd15e56743f2a16bba3c0b17837d4fd33d68d2d930739e2b130000000000ffffffff01c0c62d0000000000160014c24b61118d4a2b36257b65e1ea7f15f85e41ff0402483045022100ac32e935715a57ec1d642a5e178c37f74c013bf8e4edc4cb1c79f5352f136e87022020b0b3192347d1b84e9b89d00a2ecb290f18f9c39e514fa3ef2b7a889e7b6c1b012103ab0b56c7aa6254a80c124e04d2149f7fc376afedfe4623f3c59b87c279eaeb1400000000\"\n    ]\n  ]\n}", false);
var response = await client.PostAsync(request);

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

```


## OpenRPC Method Specification

```yaml
name: submitpackage
summary: Submit a set of serialized raw transactions
description: |
  Submits a package containing multiple raw transactions to the mempool for validation and acceptance.
params:
  - name: package
    required: true
    description: |
      An array of raw transactions (serialized hex strings) to be submitted as a package.
    schema:
      type: array
      items:
        type: string
result:
  name: result
  description: Transaction results keyed by `wtxid`.
  schema:
    type: object
    properties:
      package_msg:
        type: string
        description: Status message for the package (e.g., "transaction failed")
      tx-results:
        type: object
        additionalProperties:
          type: object
          properties:
            txid:
              title: Bitcoin Transaction ID
              type: string
              pattern: ^[a-fA-F0-9]{64}$
              description: A 64-character hex string identifying a transaction.
            error:
              type: string
              description: Error message if the transaction failed
      replaced-transactions:
        type: array
        description: List of replaced txids (if any)
        items:
          type: string
examples:
  - name: submitpackage example
    params:
      - name: package
        value:
          - 0200000000010153fc6712e0c6cbfd15e56743f2a16bba3c0b17837d4fd33d68d2d930739e2b130000000000ffffffff01c0c62d0000000000160014c24b61118d4a2b36257b65e1ea7f15f85e41ff0402483045022100ac32e935715a57ec1d642a5e178c37f74c013bf8e4edc4cb1c79f5352f136e87022020b0b3192347d1b84e9b89d00a2ecb290f18f9c39e514fa3ef2b7a889e7b6c1b012103ab0b56c7aa6254a80c124e04d2149f7fc376afedfe4623f3c59b87c279eaeb1400000000
    result:
      name: result
      value:
        package_msg: transaction failed
        tx-results:
          6dbccbd4775598af6e9713cd84e90e80431ecc7e932c4b832ab3966ad988bc08:
            txid: c67ecf450828d639a8cf3d74f168fe6bd9a1121a1167a1d46908d703f871c3a6
            error: bad-txns-inputs-missingorspent
        replaced-transactions: []
```