# Functions ## encodeJson ▸ **encodeJson**(self: *[RpcCoderState](_coder_json_types_d_.md#rpccoderstate)*, method: *`string`*, params: *`Array`<`any`>*): `string` *Defined in [coder/json/encodeJson.ts:9](https://github.com/polkadot-js/api/blob/29b221b/packages/api-provider/src/coder/json/encodeJson.ts#L9)* **Parameters:** | Param | Type | | ------ | ------ | | self | [RpcCoderState](_coder_json_types_d_.md#rpccoderstate) | | method | `string` | | params | `Array`<`any`> | **Returns:** `string` ___