> ## Documentation Index
> Fetch the complete documentation index at: https://help.lobstr.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Why your Leboncoin account keeps expiring

> A synced Leboncoin account that expires again and again is almost always being logged into somewhere else. Here's why Leboncoin revokes the session and how to stop it.

You sync a Leboncoin account, it works, and a few hours later the Accounts page has it flagged **Cookies Expired** again. You re-sync it, and by the next morning it's expired again. Runs keep pausing with [`cookies_expired`](/core-concepts/run-stop-reasons#cookies_expired), and you get an account alert email almost every day.

If that's the pattern, the account is almost certainly being logged into somewhere else.

<Frame>
  <img src="https://mintcdn.com/lobstrio-8dcae32c/XRpQL8pRvK8Q7w2c/images/guides/leboncoin/account-keeps-expiring/cookies_expired.png?fit=max&auto=format&n=XRpQL8pRvK8Q7w2c&q=85&s=d56190cd495dd97c7df42652aace9ba1" alt="The Accounts page filtered to Leboncoin, listing several accounts all showing the status Cookies Expired alongside their last-synchronization dates." width="1556" height="703" data-path="images/guides/leboncoin/account-keeps-expiring/cookies_expired.png" />
</Frame>

## Leboncoin sessions are revoked, not timed out

This is the part that surprises people: the Leboncoin session lobstr.io stores has **no expiry date built into it**. It doesn't age out, and it doesn't have a lifespan you can wait out or extend. It keeps working indefinitely until Leboncoin actively invalidates it on their side.

The most common thing that makes Leboncoin invalidate it: **someone signs in to that same Leboncoin account from another browser, phone, or the Leboncoin app.** When that new sign-in happens, Leboncoin ends the session lobstr.io was holding, and the account immediately shows up as expired in your dashboard.

<Frame>
  <img src="https://mintcdn.com/lobstrio-8dcae32c/XRpQL8pRvK8Q7w2c/images/guides/leboncoin/account-keeps-expiring/revoked-not-expired.svg?fit=max&auto=format&n=XRpQL8pRvK8Q7w2c&q=85&s=8789b3be90658663e846e3a096b9c7d1" alt="Two timelines compared. The common assumption: cookies slowly age out until they expire. What actually happens: the session stays valid indefinitely until someone signs in to the same account, at which point it is cut off and the account shows as expired." width="880" height="250" data-path="images/guides/leboncoin/account-keeps-expiring/revoked-not-expired.svg" />
</Frame>

<Note>
  Nothing is wrong with your Squid, your plan, or the scraper. From lobstr.io's side the session simply stopped being accepted — there's no way to keep a session alive that the platform has already dropped.
</Note>

Two other actions revoke it the same way:

* **Signing out of Leboncoin normally**, in the browser you synced from.
* **Changing the account's Leboncoin password.**

## How to tell this is what's happening

You're looking at a shared or personal account, not a lobstr.io problem, if:

* **Expiries happen during working hours.** They cluster on weekday mornings and afternoons, and almost never overnight or on Sundays — because that's when a human sits down and logs in.
* **Re-syncing works, then breaks again quickly.** Often the same day, or first thing the next morning.
* **Only some accounts are affected.** A Leboncoin account nobody else touches stays synced for weeks. The ones that keep dying are the ones a person also uses.

The timing is the giveaway. Your Squids run around the clock, but expiries don't happen around the clock — they land in office hours on working days:

<Frame>
  <img src="https://mintcdn.com/lobstrio-8dcae32c/XRpQL8pRvK8Q7w2c/images/guides/leboncoin/account-keeps-expiring/expiry-pattern.svg?fit=max&auto=format&n=XRpQL8pRvK8Q7w2c&q=85&s=66e357cb446793b909ab87a864195358" alt="A grid of weekdays against hour bands in UTC. Scraping runs are constant night and day, all week. Cookie expiries appear only in the 06:00 to 12:00 and 12:00 to 17:00 bands from Monday to Friday, with none overnight and none at the weekend." width="880" height="388" data-path="images/guides/leboncoin/account-keeps-expiring/expiry-pattern.svg" />
</Frame>

<Warning>
  This is especially common for **agencies** who sync a client's own personal Leboncoin login. The client keeps using Leboncoin from their own browser and phone as normal — every time they log in, your synced session dies. No amount of re-syncing fixes it, because the next login will revoke it again.
</Warning>

## The fix: a dedicated Leboncoin account

The only durable fix is operational, on your side: give lobstr.io a Leboncoin login **that no human uses**.

<Frame>
  <img src="https://mintcdn.com/lobstrio-8dcae32c/XRpQL8pRvK8Q7w2c/images/guides/leboncoin/account-keeps-expiring/dedicated-account.svg?fit=max&auto=format&n=XRpQL8pRvK8Q7w2c&q=85&s=bb9da9590ad53b21f7632aa8af99fb46" alt="Side by side comparison. On a shared or personal account, the owner's browser and phone sign in to the same Leboncoin account and the session lobstr.io holds is revoked. On a dedicated account, only lobstr.io signs in and the session stays valid indefinitely." width="880" height="292" data-path="images/guides/leboncoin/account-keeps-expiring/dedicated-account.svg" />
</Frame>

<Steps>
  <Step title="Set aside a dedicated account">
    Create a Leboncoin account, or pick an existing one, that will be used exclusively for lobstr.io scraping and messaging. If you're an agency, ask your client for a dedicated account rather than syncing the login they use every day.
  </Step>

  <Step title="Sync it once">
    Sync it from your browser the usual way — see [Account sync](/getting-started/account-sync#sync-your-first-account).
  </Step>

  <Step title="Then leave it alone">
    Nobody logs in to that account afterwards: not from a browser, not from a phone, not from the Leboncoin app. Don't sign out of it, and don't change its password. Left untouched, the session stays valid indefinitely.
  </Step>
</Steps>

<Tip>
  If you genuinely have to keep using the same Leboncoin account yourself, expect to re-sync it after every login of your own — and when you do, use **Clear site data** in DevTools instead of the logout button, or you'll invalidate the very session you're about to capture. Full steps: [LinkedIn and Leboncoin accounts](/getting-started/account-sync#linkedin-and-leboncoin-accounts).
</Tip>

## What happens to your runs in the meantime

An expired Leboncoin account doesn't lose you any data:

* The run **pauses for about 12 hours and auto-resumes** — re-syncing inside that window costs you nothing. See [`cookies_expired`](/core-concepts/run-stop-reasons#cookies_expired).
* Everything already collected stays downloadable.
* You get an **Account needs attention — Leboncoin** email so you can fix it before more runs stall. See [Account alerts](/core-concepts/notifications#account-alerts).

<Tip>
  Syncing **more than one** Leboncoin account cushions this. When one account's cookies expire, lobstr.io locks it and restarts the run on another usable account instead of pausing — so a single revoked session stops costing you time.
</Tip>

## Still expiring?

If the account really is dedicated — nobody logs in to it, nobody signs it out — and it still expires within hours, that's worth a look. Ping us on [Crisp chat](https://go.crisp.chat/chat/embed/?website_id=45b5fabf-a2d0-441c-b3de-2d517bdeeac9) or email `contact@lobstr.io` with the **account name** and a **Run ID** from a paused run.
