some affiliate network put in her offers expiring date like this :

most often affiliate managers send email to notify expired offers, alternatively if you wanna run an offer you can confirm the validity from your affiliate manager

I believe that Peerfly and MaxBounty send out email notifications when an offer is ending. As with any aspect of any business you want to keep on top of such things. I have seen offers end rather abruptly.

Agreed with other comments the affliate manager always emails me to notify me when the offer is ending. But they also will let me know which offer is replacing the old. I ususally still run the one that is replacing the offer that is ending because they are usually very simliar.

contact your Affiliate Manager

Your best bet is to contact your AM. Chances are sometimes they know ahead, other times they don't.

Thank you guys for your answers
Best wishes for You and Happy new year.

Some affilaite networks display the expiration.
Also, most affiliate networks will send out warning emails before an offer expires.
Otherwise, you can always hit up your AM.

In Some HasOffers Based networks you can see expiry time however it isnt viewable in all networks.

If you are running any offer and you feel like you can do good in it.. SImply ask your AM about its expiry and CAP!

Regards

In our system, the approaching end date will appear in your notification panel. We then also send a report of all expired offers. Some networks will send you a report as well. Your best option though is to contact your affiliate manager because there are instances in which some networks may not inform you in time.

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Some networks have feeds of the offers expiring I check my profitable campaigns every morning. I also ask my AM to notify if offer X is expiring.