### Named Parameters RPC Call

Source: https://www.jsonrpc.org/specification

Demonstrates RPC calls using objects for named parameters.

```json
--> {"jsonrpc": "2.0", "method": "subtract", "params": {"subtrahend": 23, "minuend": 42}, "id": 3}
<-- {"jsonrpc": "2.0", "result": 19, "id": 3}

--> {"jsonrpc": "2.0", "method": "subtract", "params": {"minuend": 42, "subtrahend": 23}, "id": 4}
<-- {"jsonrpc": "2.0", "result": 19, "id": 4}
```

--------------------------------

### Non-existent Method Error

Source: https://www.jsonrpc.org/specification

Demonstrates the error response when calling a method that does not exist.

```json
--> {"jsonrpc": "2.0", "method": "foobar", "id": "1"}  
<-- {"jsonrpc": "2.0", "error": {"code": -32601, "message": "Method not found"}, "id": "1"}
```

--------------------------------

### Positional Parameters RPC Call

Source: https://www.jsonrpc.org/specification

Demonstrates standard RPC calls using arrays for positional parameters.

```json
--> {"jsonrpc": "2.0", "method": "subtract", "params": [42, 23], "id": 1}  
<-- {"jsonrpc": "2.0", "result": 19, "id": 1}  
  
--> {"jsonrpc": "2.0", "method": "subtract", "params": [23, 42], "id": 2}
<-- {"jsonrpc": "2.0", "result": -19, "id": 2}
```

--------------------------------

### Empty Batch Request

Source: https://www.jsonrpc.org/specification

Demonstrates the error response when an empty array is sent as a batch request.

```json
--> []
<-- {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null}
```

--------------------------------

### Batch Notification Request

Source: https://www.jsonrpc.org/specification

Demonstrates a batch request consisting entirely of notifications, which returns no response.

```json
--> [  
        {"jsonrpc": "2.0", "method": "notify_sum", "params": [1,2,4]},  
        {"jsonrpc": "2.0", "method": "notify_hello", "params": [7]}  
    ]  
<-- //Nothing is returned for all notification batches
```

--------------------------------

### Batch Request Processing

Source: https://www.jsonrpc.org/specification

Demonstrates a batch request containing multiple valid and invalid calls.

```json
--> [  
        {"jsonrpc": "2.0", "method": "sum", "params": [1,2,4], "id": "1"},  
        {"jsonrpc": "2.0", "method": "notify_hello", "params": [7]},  
        {"jsonrpc": "2.0", "method": "subtract", "params": [42,23], "id": "2"},  
        {"foo": "boo"},  
        {"jsonrpc": "2.0", "method": "foo.get", "params": {"name": "myself"}, "id": "5"},  
        {"jsonrpc": "2.0", "method": "get_data", "id": "9"}   
    ]  
<-- [  
        {"jsonrpc": "2.0", "result": 7, "id": "1"},  
        {"jsonrpc": "2.0", "result": 19, "id": "2"},  
        {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null},  
        {"jsonrpc": "2.0", "error": {"code": -32601, "message": "Method not found"}, "id": "5"},  
        {"jsonrpc": "2.0", "result": ["hello", 5], "id": "9"}  
    ]
```

--------------------------------

### JSON-RPC Syntax Legend

Source: https://www.jsonrpc.org/specification

Defines the notation used for data transmission between client and server.

```text
--> data sent to Server  
<-- data sent to Client
```

--------------------------------

### Notification RPC Call

Source: https://www.jsonrpc.org/specification

Demonstrates notification calls which do not expect a response.

```json
--> {"jsonrpc": "2.0", "method": "update", "params": [1,2,3,4,5]}  
--> {"jsonrpc": "2.0", "method": "foobar"}
```

--------------------------------

### Invalid JSON Error

Source: https://www.jsonrpc.org/specification

Demonstrates the error response when the request contains invalid JSON syntax.

```json
--> {"jsonrpc": "2.0", "method": "foobar, "params": "bar", "baz]  
<-- {"jsonrpc": "2.0", "error": {"code": -32700, "message": "Parse error"}, "id": null}
```

--------------------------------

### Invalid Request Object Error

Source: https://www.jsonrpc.org/specification

Demonstrates the error response when the request object is malformed.

```json
--> {"jsonrpc": "2.0", "method": 1, "params": "bar"}  
<-- {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null}
```

--------------------------------

### Invalid Batch Request

Source: https://www.jsonrpc.org/specification

Demonstrates the error response when a batch request contains invalid elements.

```json
--> [1]  
<-- [
  {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null}
]
```

```json
--> [1,2,3]  
<-- [
  {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null},
  {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null},
  {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null}
]
```

--------------------------------

### Batch Request Invalid JSON

Source: https://www.jsonrpc.org/specification

Demonstrates the error response when a batch request contains invalid JSON.

```json
--> [
  {"jsonrpc": "2.0", "method": "sum", "params": [1,2,4], "id": "1"},
  {"jsonrpc": "2.0", "method"
]
<-- {"jsonrpc": "2.0", "error": {"code": -32700, "message": "Parse error"}, "id": null}
```

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