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HTTP dump of Libre Link Up used in combination with FreeStyle Libre 3
@Mohmedsabry
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Mohmedsabry commented Dec 23, 2024 •
edited
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when i use https://api-eu.libreview.io/llu/connections i get a empty date []

I presume you mean you get empty data. That usually means that you do not have any followers/connections which in turn means you have not followed yourself. (This confusing step is required as LibreLinkUp was designed for other people to see your data, not for you to see your own data, so the workaround is to add yourself as a follower to your own main account)

and i tried https://api-eu.libreview.io/llu/connections/(user_id as sha256)/graph get message MissingCachedUser

It should be patientId (not user id) and you get this information from data returned by https://api-eu.libreview.io/llu/connections. So if you don't have any followers/connections I don't know what id you are using.

what is headers required

This is a snippet of my C# code. This works for me even though it has not been changed to include the header mentioned by gui-dos , namely

A new "Account-Id" HTTP header is now required, passing the SHA256 digest of a user's id as a 64-char hexadecimal string.

Also I'm still using version 4.7 but others have said they need to use version 4.12.0

    var request = new HttpRequestMessage
	{
		Method = method,
		RequestUri = new Uri(url),
		Headers =
		{
			{ "product"         , "llu.android"         },
			{ "version"         , "4.7"                 },
			{ "Accept"          , "application/json"    },
			{ "cache-control"   , "no-cache"            },
			{ "accept-encoding" , "gzip"                },
			{ "connection"      , "Keep-Alive"          },
			{ "user-agent"      , "Mozilla/5.0 (Windows NT 10.0; rv:129.0) Gecko/20100101 Firefox/129.0" }
		}
	};

	if (!String.IsNullOrEmpty(token))
		request.Headers.Add("Authorization", $"Bearer {token}");

thank you i tried your code and it fails after login just add Account-id header it works fine and upgrade version to 4.12 it must

@samuele4414
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hi i have some problem while getting the data from this code
async function getConnections() {
try {
console.log("DIO DI CHIAMATA COLLECTIONS CHE NON FUNZIONA", ACCOUNT_ID);
const response = await fetch(${API_BASE_URL}/llu/connections, {
method: "GET",
headers: {
...HEADERS,
Authorization: Bearer ${AUTH_TOKEN},
"account-id": ACCOUNT_ID
}
});

const data = await response.json();

if (data.message && data.message === "AccountIdMismatch") {
  throw new Error("Account ID does not match");
}

} catch (error) {
console.error("❌ Errore", error.message);
return null;
}
}

i'm able to login with this code

async function login() {
try {
const response = await fetch(${API_BASE_URL}/llu/auth/login, {
method: "POST",
headers: HEADERS,
body: JSON.stringify({
email: CREDENTIALS.email,
password: CREDENTIALS.password
})
});

const text = await response.text();
console.log("🔍 Risposta ricevuta:", text);

const data = JSON.parse(text);

if (data.status !== 0 || !data.data.authTicket) {
  throw new Error("Login fallito. Controlla le credenziali.");
}

AUTH_TOKEN = data.data.authTicket.token;
ACCOUNT_ID = data.data.user.id;
console.log("✅ Token ottenuto:", AUTH_TOKEN);
console.log("✅ Account ID:", ACCOUNT_ID);

} catch (error) {
console.error("❌ Errore nel login:", error.message);
}
}

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