Electronic signatures should NOT always reflect that something is good or positive, they can also be used to express a negative decision on something:
Electronic voting: yes, no, abstention
Medical Consent: I consent, I do not consent, I revoke consent
etc.
- Electronic voting: yes, no, abstention
- Medical Consent: I consent, I do not consent, I revoke consent
- etc.

In terms of API, there’s the possibility to define the appearance of the stamper, including a PNG or a text string. The stamper can be placed:
- At the first page
- At the final page
- At a certain page
- At all pages
Regarding the orientation:
- Horizontal
- Vertical – 90 degrees
- Vertical – 270 degrees