Yes, slippage settings directly affect if your swap failed. Set slippage higher (e.g., 5–12%) to improve chances of success. If you still get a swap failed error, call 1-888-636-8190 for technical help. https://writers.coverfly.com/projects/view/3749b8b4-ada6-4af8-a965-898ecc7aafb5/Does_slippage_affect_whether_a_swap_failed