> For the complete documentation index, see [llms.txt](https://docs.catfee.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.catfee.io/en/getting-started/buy-energy-via-api-on-catfee.md).

# Buy Energy via API

- [API Overview](https://docs.catfee.io/en/getting-started/buy-energy-via-api-on-catfee/api-overview.md): Buy energy via API on TRON network.
- [Java Example for Calling API](https://docs.catfee.io/en/getting-started/buy-energy-via-api-on-catfee/java.md): Java Example for Calling the CatFee.IO REST API
- [Python Example for Calling API](https://docs.catfee.io/en/getting-started/buy-energy-via-api-on-catfee/python.md): Python Example for Calling the CatFee.IO REST API
- [PHP Example for Calling API](https://docs.catfee.io/en/getting-started/buy-energy-via-api-on-catfee/php.md): PHP Example for Calling the CatFee.IO REST API
- [Node.js Example for Calling API](https://docs.catfee.io/en/getting-started/buy-energy-via-api-on-catfee/nodejs.md): Node.js Example for Calling the CatFee.IO REST API
- [Go Example for Calling API](https://docs.catfee.io/en/getting-started/buy-energy-via-api-on-catfee/go.md): Golang Example for Calling the CatFee.IO Rest API