curl --request GET \
  --url https://api.rated.network/v1/polygon/validators/{validator_id}/performance \
  --header 'Authorization: Bearer <token>'

{
  "next": "https://api.rated.network//v1/polygon/validators/{validator_id}/performance?limit=10&offset=30",
  "pages": 10,
  "previous": "https://api.rated.network//v1/polygon/validators/{validator_id}/performance?limit=10&offset=10",
  "results": [
    [
      {
        "borProposalDuties": 10,
        "borProposalRate": 100,
        "borProposals": 10,
        "checkpoint": 53105,
        "checkpointProposalDuties": 5,
        "checkpointProposalRate": 100,
        "checkpointProposals": 5,
        "checkpointSignatureDuties": 10,
        "checkpointSignatures": 9,
        "checkpointSigningRate": 90,
        "effectiveness": 96,
        "timestamp": "2021-09-01T00:00:00Z"
      },
      {
        "borProposalDuties": 120,
        "borProposalRate": 98.3,
        "borProposals": 118,
        "checkpointProposalDuties": 48,
        "checkpointProposalRate": 97.9,
        "checkpointProposals": 47,
        "checkpointSignatureDuties": 240,
        "checkpointSignatures": 235,
        "checkpointSigningRate": 97.9,
        "day": "2021-09-01",
        "effectiveness": 98,
        "fromCheckpoint": 53100,
        "toCheckpoint": 53150
      }
    ]
  ]
}