To create a development account and OAuth application in Pipedrive, follow these steps:

1. Create a Pipedrive Account:

   • Go to the Pipedrive website at https://www.pipedrive.com.
   • Click on the "Start free trial" or "Get started" button to create a new account.
   • Fill in the required information and complete the registration process.

2. Access Developer Tools:

   • Once you have a Pipedrive account, log in to your account.
   • Click on your user profile icon in the top right corner of the screen.
   • From the dropdown menu, select "Settings".

3. Navigate to API Settings:

   • In the settings page, click on the "API" tab located on the left-hand side of the screen.
   • Under the API tab, you'll find the "Developer Tools" section.

4. Create an OAuth Application:

   • In the Developer Tools section, click on the "OAuth 2.0" tab.
   • Click on the "Add new application" button.

5. Fill Application Details:

   • In the "Add a new OAuth 2.0 application" form, provide the following details:
     • Application Name: Enter a name for your application.
     • Redirect URI: Specify the URI where Pipedrive will redirect the user after authorization.
     • Scope: Choose the required scopes for your application's access to Pipedrive resources.

6. Save and Get Credentials:

   • Click on the "Save" button to create the OAuth application.
   • After saving, you'll be redirected to the application details page.
   • In the application details page, you'll find your Client ID and Client Secret.

7. Use the OAuth Application:

   • To use the OAuth application, you'll need to follow the OAuth authorization flow, which involves redirecting users to Pipedrive's authorization endpoint and obtaining an access token.
   • Refer to Pipedrive's API documentation for detailed instructions on implementing the OAuth flow and making API requests.

Remember to keep your Client Secret secure and never expose it publicly.

That's it! You have successfully created a development account and OAuth application in Pipedrive.