docs-v2/layouts/shortcodes/api/v1-compat/oss/password-or-token.html

If you have [set a password](/influxdb/v2.0/upgrade/v1-to-v2/manual-upgrade/#1x-compatible-authorizations) for the 1.x-compatible username, provide the 1.x-compatible password.
If you haven't set a password for the 1.x-compatible username, provide the InfluxDB [authentication token](/influxdb/v2.0/security/tokens/) as the password.