curl --request POST \
  --url https://api.dfns.io/auth/credentials \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-DFNS-USERACTION: <api-key>' \
  --data '
{
  "credentialKind": "Fido2",
  "credentialInfo": {
    "credId": "<string>",
    "clientData": "<string>",
    "attestationData": "<string>"
  },
  "credentialName": "<string>",
  "challengeIdentifier": "<string>"
}
'

{
  "kind": "Fido2",
  "credentialId": "<string>",
  "credentialUuid": "<string>",
  "dateCreated": "<string>",
  "isActive": true,
  "name": "<string>",
  "publicKey": "<string>",
  "relyingPartyId": "<string>",
  "origin": "<string>"
}