<!--- Please DO NOT remove the automatically added 'new issue' label --> <!--- Provide a general summary of the issue in the Title --> ## Current Behavior This curl command works: ```` curl https://core-node-5.core-team.staging.hoprnet.link/api/v3/node/metrics -H "X-Auth-Token: $HOPRD_API_TOKEN" -v ```` This other used by swagger-ui not: ```` curl https://core-node-5.core-team.staging.hoprnet.link/api/v3/node/metrics -H 'accept: text/plain' -H "X-Auth-Token: $HOPRD_API_TOKEN" -v ````