Thank you for reaching out to the Constant Contact Community. It's my pleasure to assist you this weekend.
Great question! Yes, we have Landing Page Sign Up Forms that you can use to create a link or button for your various websites or social sites. Click here to find the article that explains setting them up and how to use them.
If you run into trouble or have further questions, please feel free to reach out to us here. Thank you for choosing Constant Contact. Have a great day!