Secure Exchanges SDK

Send, receive and get signatures on end-to-end encrypted documents from your .NET, Python or PHP applications.

Tip

New here? Start with First message in 5 minutes.

What do you want to do?

I want to	Guide
Send a message or attachments to one or more recipients	Send a message
Read a received message and download its files	Read a message
Request documents from someone	Envelopes
Get a PDF signed	Digital signature
Track opening and signature	Logs
Manage my licence, delete a message	Licence and quotas

Where to start

1. Choose your package: .NET Framework, .NET, Python or PHP, with or without the signature module.
2. Credentials and environments: your three credentials, the preview environment, and where to keep them.
3. First message in 5 minutes: a complete example, ready to run.

Need help?

See Troubleshooting and FAQ and the status codes.

For a question about integrating the SDKs, write to developer support: supportdev@secure-exchanges.info.

Include in your request:

• the SDK, its version and the language;
• the method called;
• the status and error text received, masking any addresses and numbers it may contain.

Never send:

• your serial, API user or API password;
• a message or envelope link;
• decrypted content or personal information.