let api_url =
      format!("https://api.cloudflare.com/client/v4/accounts/{}/images/v1", self.account_id);
    let metadata = serde_json::to_string(&json!({"purpose": purpose.to_string()}))?;
    let form = reqwest::multipart::Form::new()
      .text("metadata", metadata)
      .text("id", self.gen_custom_id())
      .text("url", url.to_owned());
    let client = reqwest::Client::new();
    let response = client
      .post(api_url)
      .multipart(form)
      .header("Authorization", format!("Bearer {}", &self.images_token))
      .send()
      .await?;
    let response = response.error_for_status()?;

    let api_url =
      format!("https://api.cloudflare.com/client/v4/accounts/{}/images/v1", self.account_id);
    let metadata = serde_json::to_string(&json!({"purpose": purpose.to_string()}))?;
    let form = reqwest::multipart::Form::new()
      .text("metadata", metadata)
      .text("id", self.gen_custom_id())
      .text("url", url.to_owned());
    let client = reqwest::Client::new();
    let response = client
      .post(api_url)
      .multipart(form)
      .header("Authorization", format!("Bearer {}", &self.images_token))
      .send()
      .await?;
    let response = response.error_for_status()?;