Subscribe to a Nmbrs API product
Your Subscription Key authorises calls to the Nmbrs API gateway and is sent on every request as the X-Subscription-Key header. You obtain it by subscribing to a Nmbrs API product in the developer portal.
Sign in to Nmbrs
Sign in to your Nmbrs developer portal.
- Open the Products page (or use the Products tab in the top navigation).
Subscribe to a product
Select a product such as Developers/Starter and complete the subscription flow.
- If you already have a subscription, open it from the Profile menu → Subscriptions.
Copy the Primary key
On the subscription page, copy the Primary key — this is your Subscription Key.
- The Secondary key is a rotation backup; you do not need it for setup.
- Store the key securely — it grants access to your Nmbrs API gateway quota.
Linking the Account from the Hub
Navigate to the Hub
Fill out the fields
- Subscription Key
Connect
- Click Connect
- If applicable, the provider will redirect you to a sign-in or authorization page. Complete the provider’s authorization flow.
- Once authorization is successful, you will see a confirmation popup
If the account linking is successful, you will see the newly linked account in your Accounts page.