Welcome to the community, @Gisele_Macieira!
Yes, @Bill.French is absolutely correct, as he is about 99% of the time! :winking_face:
Integromat is an absolutely brilliant tool with 100% full Airtable support. It is my personal favorite no-code automation platform, and it effortlessly does both of the things that you are requesting:
(1) send/receive/process/parse HTML emails
(2) integrate with e-signature platforms.
I am a professional Airtable consultant and a Registered Integromat Partner, and the Integromat link contains my personal referral code above.
If you have a budget for your project and you’d like to hire an absolute expert to help you with these automations, that’s exactly what I do for businesses. :slightly_smiling_face:
Feel free to contact me through my website at scottworld.com.
But it doesn’t prevent you from injecting HTML into the email body via a previous script action or as a direct field. Prove the concept like this: