> For the complete documentation index, see [llms.txt](https://docs.watchdata.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.watchdata.io/introduction/supported-chains.md).

# Supported chains

## List of supported chains

<table><thead><tr><th width="202.41783963432195">Blockchain</th><th width="150">Chain</th><th>URL</th></tr></thead><tbody><tr><td><a href="/pages/wPyHAf0OYFNxqpS3FeEU">Tron</a></td><td>Mainnet</td><td>https://tron.api.watchdata.io/</td></tr><tr><td><a href="/pages/VmzfknWbaL5v4RCzgNjk">Ethereum</a></td><td>Mainnet</td><td>https://ethereum.api.watchdata.io/node/jsonrpc</td></tr><tr><td><a href="/pages/VmzfknWbaL5v4RCzgNjk">Ethereum</a> </td><td>Ropsten (depricated)</td><td>https://ropsten.api.watchdata.io/node/jsonrpc</td></tr><tr><td><a href="/pages/VmzfknWbaL5v4RCzgNjk">Ethereum</a></td><td>Görli</td><td>https://goerli.api.watchdata.io/node/jsonrpc</td></tr><tr><td><a href="/pages/SW0bNYJDwJl3eZ2zn90F">Bitcoin</a></td><td>Mainnet</td><td>https://btc.api.watchdata.io/node/jsonrpc</td></tr><tr><td><a href="/pages/SW0bNYJDwJl3eZ2zn90F">Bitcoin</a></td><td>Testnet</td><td>https://btc-testnet.api.watchdata.io/node/jsonprc</td></tr><tr><td><a href="/pages/b3VNAzw8p04wLAeNFlrm">Binance Smart Chain</a></td><td>Mainnet</td><td>https://bsc.api.watchdata.io/node/jsonrpc</td></tr><tr><td><a href="/pages/xIPE9JG9sLclEDCd7FH9">Polygon</a></td><td>Mainnet</td><td>https://polygon.api.watchdata.io/node/jsonrpc</td></tr></tbody></table>