Create API keys | Twilio - SendGrid
docs.sendgrid.com › api-reference › api-keysPOST /v3/api_keys. Base url: https://api.sendgrid.com. This endpoint allows you to create a new API Key for the user. To create your initial SendGrid API Key, you should use the SendGrid App. Once you have created a first key with scopes to manage additional API keys, you can use this API for all other key management.