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If you need any help, don't hesitate to check our support resources.

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Provide feedback on what you think about the new REST API. 

Step by step to connect

Below you can find a detailed step by step on how to connect to the Visma Nmbrs REST API:

1. Sign up to Become a Partner form on the AppStore

To ensure a good fit, we request partners to complete the partner form. Following that, the Integration Partner Manager will get in touch to schedule a (virtual) coffee. It's important to note that the coffee meeting is not a prerequisite for the subsequent steps; we recommend signing up and subscribing to the product in advance to expedite the process.

The Nmbrs App Store showcases all standardized integrations with Nmbrs. However, not every integration is standardized or suitable for every Nmbrs user. If you are developing a private integration without the intention of being featured on the Nmbrs App Store, feel free to utilize the Nmbrs API.

2. Sign up to Nmbrs Developer Portal

To use the Nmbrs REST API, the developer must be signed up to the developer portal and have an active login. The Developer Portal is the central place to manage your integration.

3. Subscribe to a product

After signing up, it's necessary to a subscribe to a product, which will generate a subscription key which must be used on every API request. 

4. Create a Nmbrs account

To be able to test the API, it's necessary to have a Nmbrs test account. It's very important to follow the instructions on Create a Nmbrs account.

5. Register your app 

After signing in, navigate to our "My Integrations" tab, there you can add your application and edit existing ones. A client ID and secret will be created so that you can start building as soon as possible

6. Use the API 

Read the documentation on how to authenticate, explore which API endpoints are available and what errors means. 

Mock Server

Before getting into the details on how to connect, you can explore the mock server for the Nmbrs REST API! With it, you can see how the responses will look like and experiment with the endpoints.

You can see very easily how the API will work. TRY IT!

API Mock server

Technical documentation

When all the steps above are done, you can go through the technical documentation and find: