curl --request GET \
  --url https://api.natural.co/api-keys \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "type": "apiKey",
      "id": "apy_550e8400e29b41d4a716446655440000",
      "attributes": {
        "apiKeyPrefix": "sk_ntl_prod_sxHp_FRoRTnDEmEH",
        "name": "Production Backend",
        "scopes": [
          "payments.read",
          "payments.create"
        ],
        "environment": "prod",
        "status": "ACTIVE",
        "createdAt": "2026-01-04T15:30:00Z",
        "expiresAt": null,
        "lastUsedAt": null,
        "revokedAt": null,
        "createdBy": "usr_550e8400e29b41d4a716446655440000",
        "revokedBy": null
      },
      "relationships": {
        "party": {
          "data": {
            "type": "party",
            "id": "pty_7c9e6679e29b41d4a716446655440001"
          }
        }
      }
    },
    {
      "type": "apiKey",
      "id": "apy_7f8e4d0012a64ef3bca4d21e44a5c001",
      "attributes": {
        "apiKeyPrefix": "sk_ntl_sandbox_Ab12Cd34Ef56Gh78",
        "name": "Sandbox Integration",
        "scopes": [
          "payments.read",
          "payments.create"
        ],
        "environment": "sandbox",
        "status": "ACTIVE",
        "createdAt": "2026-01-04T15:30:00Z",
        "expiresAt": null,
        "lastUsedAt": null,
        "revokedAt": null,
        "createdBy": "usr_550e8400e29b41d4a716446655440000",
        "revokedBy": null
      },
      "relationships": {
        "party": {
          "data": {
            "type": "party",
            "id": "pty_7c9e6679e29b41d4a716446655440001"
          }
        }
      }
    }
  ],
  "meta": {
    "pagination": {
      "hasMore": false,
      "nextCursor": null
    }
  }
}