Yes, to perform write or upload operations. You can sign up for a developer key if you do not have one.
If you already have an existing developer key for use with the Legacy API, you will need to get a new key for use with the Google Data API.
Yes, to perform write or upload operations. You can sign up for a developer key if you do not have one.
If you already have an existing developer key for use with the Legacy API, you will need to get a new key for use with the Google Data API.