Thanks for reaching out to Jotform Support. Our Spanish Support agents are busy helping other Jotform users right now, so I'll try to help you in English using Google Translate, but you can reply in whichever language you feel comfortable using. Or, if you'd rather have support in Spanish, let us know and we can have them do that. But, it might take a while until they're available again.
Now, coming back to your question, can you try to embed your form using the iFrame code? Let me show you how to get the iFrame embed code:
In Form Builder, in the orange navigation bar at the top of the screen, click on Publish.
Click on Embed on the left side of the screen, then select iFrame.