# RPC

{% hint style="info" %}
The rate limit of Junca endpoint on Testnet and Mainnet is 10K/5min.
{% endhint %}

{% hint style="info" %}
eth\_getLogs is disabled on below Mainnet endpoints, please use 3rd party endpoints from here. If you need to pull logs frequently, we recommend using WebSockets to push new logs to you when they are available.
{% endhint %}

## Mainnet (ChainID 0x29C, 668 in decimal)

* RPC endpoint: `https://rpc.juncachain.com`
* Websocket endpoint: `wss://ws.juncachain.com`

## Testnet (ChainID 0x29D, 669 in decimal)

* RPC endpoint: `https://rpc-testnet.juncachain.com`
* Websocket endpoint: `wss://ws-testnet.juncachain.com`

## Start HTTP JSON-RPC

You can start the HTTP JSON-RPC with the --http flag

```
## mainnet
junca attach https://rpc.juncachain.com

## testnet
junca attach https://rpc-testnet.juncachain.com
```

## JSON-RPC methods

Please refer to this [wiki page](https://github.com/ethereum/wiki/wiki/JSON-RPC) or use Postman: <https://documenter.getpostman.com/view/4117254/ethereum-json-rpc/RVu7CT5J?version=latest>


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://doc.juncachain.com/developer-guide/rpc.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.