Professional API envelope plan
$0.99, paid once
professional plan · API access · envelope is valid for one year
Checked 2 Oct 2026
Plans and prices
emSigner API pricing
Essential
$1, paid once
API envelope pricing shown alongside Essential · API features are listed under Professional
Checked 2 Oct 2026
Professional
Priced on request
Large teams · automation · integrations · enterprise security
Checked 2 Oct 2026