curl --request GET \
  --url https://namada-indexer-01.originstake.com/api/v1/pos/validator/all \
  --header 'Key: <api-key>'

{
  "200": [
    {
      "validatorId": "<string>",
      "address": "<string>",
      "votingPower": "<string>",
      "commission": "<string>",
      "maxCommission": "<string>",
      "name": "<string>",
      "state": "<string>"
    }
  ]
}