APIKey is an HTTP Transport which wraps an underlying transport and appends an API Key "key" parameter to the URL of outgoing requests.
Deprecated: please use NewService(..., option.WithAPIKey(...)) instead.
type APIKey struct { // Key is the API Key to set on requests. Key string // Transport is the underlying HTTP transport. // If nil, http.DefaultTransport is used. Transport http.RoundTripper }
func (t *APIKey) RoundTrip(req *http.Request) (*http.Response, error)