How to register your own Follow Up Boss OAuth app

This guide shows you how to register an OAuth Client App with Follow Up Boss to obtain your client credentials. These are required to let your users grant your app access to their Follow Up Boss account.

Follow Up Boss requires API clients to register a system for source attribution before creating an OAuth app. If you don’t have a Registered System yet, create one via the Follow Up Boss developer portal. Note your X-System name and X-System-Key.

Create an OAuth Client App

Use the Follow Up Boss API to create your OAuth Client App. Set the redirectUris to https://api.nango.dev/oauth/callback:

curl --request POST 'https://api.followupboss.com/v1/oauthApps' \
  --header 'X-System: <your-x-system-name>' \
  --header 'X-System-Key: <your-x-system-key>' \
  --header 'Content-Type: application/json' \
  --data '{
    "redirectUris": ["https://api.nango.dev/oauth/callback"]
  }'

The response includes your clientId and clientSecret. Store the clientSecret securely — it is only returned once and cannot be retrieved again.

Follow the Quickstart to connect your first account.

For more details, see the Follow Up Boss OAuth documentation.

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