> ## Documentation Index
> Fetch the complete documentation index at: https://docs.uniblock.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Bitcoin Testnet (BTC) Overview

Bitcoin Testnet (BTC) RPC

Use Uniblock's JSON-RPC endpoint to access Bitcoin Testnet (BTC) with low-latency routing and a single API surface across providers.

## What is Bitcoin Testnet?

Bitcoin Testnet is a non-EVM testnet. It is a testnet for Bitcoin. Its ticker symbol is `BTC`.

## What is the Bitcoin Testnet (BTC) JSON-RPC API?

The JSON-RPC API is the standard interface for reading chain state, sending transactions, and interacting with smart contracts where supported.

## Making API requests

Send a POST request to `https://api.uniblock.dev/uni/v1/json-rpc?chainId=bitcoin-testnet`. Include the JSON-RPC method and params in the request body.

## Supported networks

| Network           | Symbol | Type    | Chain ID           |
| ----------------- | ------ | ------- | ------------------ |
| Bitcoin           | `BTC`  | Mainnet | `bitcoin`          |
| Bitcoin Testnet   | `BTC`  | Testnet | `bitcoin-testnet`  |
| Bitcoin Testnet 4 | `BTC`  | Testnet | `bitcoin-testnet4` |

## API reference

Browse the available method groups for this chain:

* [Bitcoin](/reference/jsonrpc/bitcoin-testnet/bitcoin/analyzepsbt)