# Testing RPC connection

- [Using cURL for testing](https://docs.getblock.io/getting-started/testing-rpc-connection/using-curl-for-testing.md): These examples provide a starting point for testing your connection and querying blockchain data using cURL commands.
- [Postman Collection](https://docs.getblock.io/getting-started/testing-rpc-connection/postman-collection.md): Download the Postman GetBlock’s collection to test our service. It includes all the accessible endpoints of our nodes and ready-to-go examples.
- [Errors and troubleshooting](https://docs.getblock.io/getting-started/testing-rpc-connection/errors-and-troubleshooting.md): This page provides a guide to common JSON-RPC and HTTP errors when testing your connection with GetBlock's API.


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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://docs.getblock.io/getting-started/testing-rpc-connection.md?ask=<question>
```

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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.