# Code Example (v2)

- [Buy Resource by API using private key](/full-code-example/code-example-v2/buy-resource-by-api-using-private-key.md): This is full example buy resources by API key using private key
- [Buy Resources by API using api key](/full-code-example/code-example-v2/buy-resources-by-api-using-api-key.md): This is full example buy resources by API key using API key
- [Extend order by API using api key](/full-code-example/code-example-v2/extend-order-by-api-using-api-key.md): This is full example to extend order by API using API key
- [Extend order by API using private key](/full-code-example/code-example-v2/extend-order-by-api-using-private-key.md): This is full example extend order by API key using private key