curl -X GET 'https://api.example.com/role-permissions?roleIds=role_1,role_2' \
  -H 'Authorization: Bearer YOUR_TOKEN'

const axios = require('axios');

const { data } = await axios.get('https://api.example.com/role-permissions', {
  params: { roleIds: 'role_1,role_2' },
  headers: { 'Authorization': 'Bearer YOUR_TOKEN' },
});

[
  {
    "id": "rp_123",
    "roleId": "role_1",
    "permissionId": "perm_read"
  },
  {
    "id": "rp_124",
    "roleId": "role_1",
    "permissionId": "perm_write"
  },
  {
    "id": "rp_125",
    "roleId": "role_2",
    "permissionId": "perm_read"
  }
]