#Rust 🦀 – Learning HTTP GET and POST requests in Rust, and yes this is a “🌐What’s my IP” demo 😄

Hi !

Yes, I’m starting to use OpenAI services in with Rust. However, before getting here, I spent some time learning how to work with HTTP Requests in Rust.

There seems to be several libraries that can help. I found several examples using [https://docs.rs/reqwest/0.6.2/reqwest/], so I decided to use this one.

A classic example to do this, is to perform an HTTP GET request to the following url, to get our public IP Address.

https://httpbin.org/ip

And hey, the code is super simple

	/*
	Copyright (c) 2023
	Author : Bruno Capuano
	Create Time : 2023 Feb
	Change Log :
	– Demo learning with HTTP GET and POST request with Rust
	– Source Demo: https://actix.rs/docs/getting-started

	The MIT License (MIT)
	Permission is hereby granted, free of charge, to any person obtaining a copy
	of this software and associated documentation files (the "Software"), to deal
	in the Software without restriction, including without limitation the rights
	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	copies of the Software, and to permit persons to whom the Software is
	furnished to do so, subject to the following conditions:
	The above copyright notice and this permission notice shall be included in
	all copies or substantial portions of the Software.
	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	THE SOFTWARE.
	*/

	use reqwest;
	use std::collections::HashMap;

	#[tokio::main]
	async fn main() -> Result<(), Box<dyn std::error::Error>> {
	let client = reqwest::Client::builder().build()?;
	let res = client.get("https://httpbin.org/ip")
	.send()
	.await?;
	let ip = res.json::<HashMap<String, String>>().await?;

	println!("{:#?}", ip);
	Ok(())
	}

view raw rustgetmyip.rs hosted with ❤ by GitHub

With a more simple output

    Finished dev [unoptimized + debuginfo] target(s) in 3.99s
     Running `target\debug\result02.exe`
{
    "origin": "111.111.111.111",
}

El Bruno

#Rust 🦀 – Learning HTTP GET and POST requests in Rust, and yes this is a “🌐What’s my IP” demo 😄

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#Rust 🦀 – Learning HTTP GET and POST requests in Rust, and yes this is a “🌐What’s my IP” demo 😄

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