To me Tripoto seems having some issues with approving contents. As my contents which had been published two days ago are still pending for approval. Not talking about the ones I posted yesterday and today looking for approval though..
Yes, you can read about expiry and how to extend validity infinitely here. https://www.tripoto.com/travel-for-free-contest 👉 Credits are awarded for helpful, high quality content - upon passing Tripoto’s quality check.
👉 Your credits will last upto 3 months after earning and can be extended indefinitely by publishing quality check approved posts, regularly.
Note: Credits earned through blog posts and photoblogs only will extend credit validity.