Open API

Integrate ValidSign
into your systems

Integrate ValidSign's signing solution seamlessly into your systems and workflows. ValidSign offers an open API that allows external systems to integrate. This API enables you to automate functionalities such as initiating signing requests, retrieving audit trails and connecting to existing DMS, HRM or CRM systems such as SharePoint, Nintex, SAP or Salesforce.

ValidSign API
Document management
Electronic signatures
Workflow automation

Why the ValidSign API?

You no longer have to laboriously submit documents for signing outside your trusted system and then upload them again. With the open API, the entire document process from start to finish happens in one system.

Connecting to our API is easy. Detailed information about the REST API and the OpenAPI specification can be found at apidocs.validsign.eu, and developers can download the JAVA and .NET SDKs at developers.validsign.nl.

Capabilities

Initiate signing requests

Start signing requests directly from your own system, without manual steps.

Retrieve audit trails

Retrieve detailed audit trails for compliance and legal verification.

One system, one process

The entire document process from start to finish in your trusted system.

Wide integration options

Connect to existing DMS, HRM or CRM systems such as SharePoint, Nintex, SAP or Salesforce.

SDKs for developers

JAVA SDK

Integrate ValidSign into your Java applications with our official SDK.

Download →

.NET SDK

Use our .NET SDK for seamless integration into your C#/.NET projects.

Download →

REST API

Use the REST API directly with the language or framework of your choice.

Documentation →

Ready to start signing digitally?

See ValidSign in action with a free, personalized demo.

Frequently asked questions

With the ValidSign open API you can automate functionalities such as initiating signing requests, retrieving audit trails and connecting to existing DMS, HRM or CRM systems such as SharePoint, Nintex, SAP or Salesforce. External systems integrate directly, so you start signing requests from your own system without manual steps and retrieve detailed audit trails for compliance and legal verification.

No. With the ValidSign open API you no longer have to submit documents for signing outside your trusted system and then upload them again. The entire document process, from start to finish, happens in one system. ValidSign's signing solution integrates seamlessly into your existing systems and workflows, so signing becomes a step inside the tools you already use.

Yes. ValidSign offers a JAVA SDK to integrate ValidSign into Java applications and a .NET SDK for C#/.NET projects, which developers can download. You can also use the REST API directly with the language or framework of your choice. Detailed information about the REST API and the OpenAPI specification is available in the ValidSign documentation.

No, connecting to the ValidSign API is easy. Detailed information about the REST API and the OpenAPI specification is published online, and developers can download the JAVA and .NET SDKs. Because ValidSign offers an open API that allows external systems to integrate, you can start signing requests and retrieve audit trails directly from your own DMS, HRM or CRM system.