Documentation
Contact Management
The platform has a dedicated screen for contact management, where you can view, create, and manage all available contacts.

On this screen, you can:
- View all registered contacts
- Filter contacts by …
Contact Types
During the envelope sending process, the platform allows you to use a contact list to make it easier to include signatories.
Contacts help speed up data entry, preventing the need to type in …
Using Contacts in the Envelope
When creating or editing an envelope, you can add signatories using contacts previously registered on the platform.
This makes the process faster and avoids manual entry of repeated information. …
How to edit the marker of an envelope
Even after an envelope has been sealed, it is still possible to change the marker associated with it.
With this feature, you can:
- Add a marker to an envelope that does not yet have one
- Remove the …
How to tag an envelope
Markers are categories that allow you to organize your envelopes within the platform.
With them, you can group related documents, making visualization and later signing easier.
You can link a marker …
How to use Markers
Markers allow you to organize your envelopes by category, making it easier to view and batch sign related documents.
With this feature, you can group multiple envelopes under the same marker and …
Sign envelopes by Marker
The Marker feature allows you to sign multiple envelopes linked to the same category in a practical and organized way.
1. On the details screen, click the Sign button.

2. You will be redirected to a …
Cancel subscription
To cancel your subscription, just follow these steps:
1. Go to the Plans page in the side menu.
2. On the plans page, find your plan and click the “Cancel Renewal” button.

3. You will be …
Change plan
If you already have an account on the Assin platform and want to subscribe to a plan or change your plan, you can follow these steps.
1. Go to the Plans page in the side menu.

2. Choose the desired …
Email validation: how does it work?
This is a measure to facilitate the identity confirmation of signers. It ensures that the person signing is truly the one to whom you sent the envelope. Please note, you need to know the email …
How to share the envelope signing link
Now you can share the signing link with the signer directly from the Assin platform, without needing to wait for the signer to receive the email. It is perfect for those moments when you need agility. …
How to allow browser location access
Our platform requests access to your location to ensure security and compliance during the digital signature process. If you are having trouble authorizing access to your location, find your browser …
Facial recognition: how does it work?
From now on, all photos taken by your signer, requested at the time of envelope creation through the “Request User Photo” option, will be saved for facial recognition. Therefore, on the …
Create documents using Templates
If you always use the same document models, you can use templates to speed up your work. After creating the template, just upload the values for the registered keys and your document is automatically …
Create templates
If you always use the same document models, you can use templates to speed up your work. After creating the template, just upload the values for the registered keys and your document is automatically …
Marker Details
4. After creating or selecting a marker from the list, you will be directed to the Marker Details screen.
On this page, you will be able to view:
- Name
- Description
- Created by
- Creation date
- Last …
Block Envelope
You sealed the company contract envelope. After it was sent to your new client for signing, you noticed the contract amount was wrong. What to do now? Don’t worry: block the envelope and edit …
What are the benefits of electronic signatures?
Legal validity of the document
In Brazil, electronically signed contracts have legal validity, which guarantees their legality. This way, you can sign documents with security and legal backing. …
Buy additional credits
We are always looking to improve and offer more freedom for you to enjoy everything we provide. And this new feature is another step in that direction. Now you can buy additional credits for your …
Why can't I create an envelope?
Are you trying to create an envelope but for some reason nothing happens? If you are unable to seal your envelope, below are some possibilities of what might be happening and suggestions on how to …
Cancel envelope
It may happen that, after sending an envelope for signature, even if some of the signers have already signed, you no longer want it to be signed. In Assin, it is possible to cancel an envelope. But be …
Envelope signature status
Assin, besides offering a digital document signing service, is also a platform for managing envelopes. You can view all your envelopes in the Created Envelopes tab after logging into the platform. …
How to sign an envelope?
Do you want to sign a document that was requested through the Assin platform? Follow the steps below and learn how.
1. Check if you received an email with the subject “Signature Request”. …
Resend notification
Whenever you seal an envelope, Assin sends an email to the signers. The email informs about the signature request and provides the link to sign. But what if the signer deleted the email with the link …
Validate photo
Digital signature with enhanced security: now you can request a photo of the signer during the digital signature process. This feature adds an extra layer of verification, increasing security and …
What is a notification?
Notifications are messages sent to envelope signers and can be made by email, SMS or WhatsApp. They serve to keep the envelope signers updated and informed.
Some notifications are sent automatically …
Do digitally signed documents have legal validity?
The digital signing of contracts is a highly convenient and secure process. It has no expiration date and all its steps are easily traceable, which allows for auditing. Furthermore, it has the same …
What are the laws that regulate the use of digital signatures?
With the advancement of technology, the electronic signature has become increasingly common for establishing agreements and contracts between individuals and legal entities. This technology allows the …
What is ICP-Brasil?
Provisional Measure 2,200-2, of 2001, guarantees the validity of digital signatures in contracts, as it is responsible for regulating digital certification in Brazil and establishing the Brazilian …
Create account
1. Go to https://assin.com.br and click on “Plans and Pricing” in the top menu or directly on the “Sign Up” button.

2. Select the plan by person type (individual or business) …
Credits: what are they and how to use them?
When you subscribe to one of our plans at https://assin.com.br/planos you get different benefits, such as credits and notification credits, for example. In this article we will explain a bit more …
Difference between credit and notification credit
Within the platform there are some actions that consume credits. Sealing envelopes and sending notifications via SMS are some of the actions that consume credits. The quantity and type of credits may …
Edit Envelope
To edit an envelope, its status must be draft or blocked. Learn here how to block envelopes: Block Envelopes
1. On your computer, look in the side menu for the “Created Envelopes” option. …
Envelope creation
Learn how an envelope is created on the Assin platform and how documents can be sent for digital signature quickly, securely, and with legal validity.
1. In the top menu on the right, look for the …
Login
Learn how to log in to the Assin platform with this quick and easy guide. Access your account securely and hassle-free.
1. Go to https://assin.com.br and click on “Sign In” in the top …
Password Recovery
1. Click on “Forgot your password?”.

2. You will be redirected to a screen where you must enter the email you are using to try to log in.

3. After entering the email, click on the email …
Subscribe to a Plan
Learn how easy it is to subscribe to a plan on Assin and get access to advanced digital signature features with convenience, security, and the best for your business.
1. Go to https://assin.com.br and …