> For the complete documentation index, see [llms.txt](https://docs.chainrpc.io/chainrpc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.chainrpc.io/chainrpc/networks/ethereum/json-rpc-methods/eth_submitwork.md).

# eth\_submitWork

Used for submitting a proof-of-work solution.

### REQUEST

```
POST https://<network>.chainrpc.io/v3/YOUR-API-KEY
```

#### HEADERS

```
Content-Type: application/json
```

#### REQUEST PAYLOAD

* `WORK ARRAY`
  * 8 Bytes - The nonce found (64 bits)
  * 32 Bytes - The header's pow-hash (256 bits)
  * 32 Bytes - The mix digest (256 bits)

#### EXAMPLE

```bash
## JSON-RPC over HTTPS POST
## Replace YOUR-API-KEY with an API key from your chainRPC Dashboard
## You can also replace mainnet with a different supported network
curl https://eth.chainrpc.io/v3/YOUR-API-KEY \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{"jsonrpc":"2.0","method":"eth_submitWork","params": ["0x0000000000000001","0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef","0xD1FE5700000000000000000000000000D1FE5700000000000000000000000000"],"id":1}'

## JSON-RPC over WSS
## Replace YOUR-API-KEY with an API key from your chainRPC Dashboard
## You can also replace mainnet with a different supported network
wscat -c wss://eth.chainrpc.io/ws/v3/YOUR-API-KEY
>{"jsonrpc":"2.0","method":"eth_submitWork","params": ["0x0000000000000001","0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef","0xD1FE5700000000000000000000000000D1FE5700000000000000000000000000"],"id":1}
```

### RESPONSE

#### RESULT FIELDS

* `IS VALID FLAG` - returns true if the provided solution is valid, otherwise false.

#### BODY

```json
{
    "jsonrpc": "2.0",
    "id": 1,
    "result": false
}
```
