Rust SDK — OCR with Reqwest

[dependencies]
reqwest = { version = "0.12", features = ["json", "multipart"] }
tokio = { version = "1", features = ["full"] }
serde = { version = "1", features = ["derive"] }

use reqwest::Client;
use serde::Deserialize;

#[derive(Deserialize)]
struct UploadResponse { job: String }

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();
    let api_key = "ocr_your_api_key";

    // Upload
    let pdf = tokio::fs::read("invoice.pdf").await?;
    let form = reqwest::multipart::Form::new()
        .part("file", reqwest::multipart::Part::bytes(pdf)
            .file_name("invoice.pdf"));
    let upload: UploadResponse = client
        .post("https://ocr.cargoffer.com/api/upload")
        .header("Authorization", format!("Bearer {}", api_key))
        .multipart(form)
        .send().await?.json().await?;

    // Analyze
    let result = client
        .post(format!("https://ocr.cargoffer.com/api/analyze/{}", upload.job))
        .header("Authorization", format!("Bearer {}", api_key))
        .send().await?.text().await?;

    println!("Extracted: {}", result);
    Ok(())
}