| CreateJsonContent | Creates a new System.Net.Http.HttpContent instance containing the specified object serialized to JSON. |
| IsAllowed | Check if the given Uri matches the following requirements: 1. Scheme is https/http or wss/ws 2. If it's localhost, only allow ports 80/443/8080/8443 3. Not an ip address |
| IsHeaderAllowed | Checks if a given header is allowed to be set. |
| RequestAsync | |
| RequestBytesAsync | |
| RequestJsonAsync | |
| RequestStreamAsync | |
| RequestStringAsync |