# Bulk API

- [Authentication](/truecaller-for-business/verified-campaigns/api-webhook-documentation/bulk-api/authentication.md): This page provides the steps to generate the Key ID and Secret API Key.
- [Generate Access Token](/truecaller-for-business/verified-campaigns/api-webhook-documentation/bulk-api/generate-access-token.md): This API is used to generate an access token using the Key ID and Secret API Key created from the Manage API Keys page
- [Verified Campaigns Bulk API](/truecaller-for-business/verified-campaigns/api-webhook-documentation/bulk-api/verified-campaigns-bulk-api.md): This endpoint pushes the campaign details to the respective TC users.