You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information.
<?xml version="1.0"?>
<api>
  <query-continue>
    <alllinks alcontinue="Cadastro_de_CEP_-_FF" />
  </query-continue>
  <query>
    <alllinks>
      <l ns="0" title="Backup - CT-e" />
      <l ns="0" title="Backup - FF" />
      <l ns="0" title="Baixa do Contas a Receber - FF" />
      <l ns="0" title="Cadasto de Agrupamento de Estoque 1" />
      <l ns="0" title="Cadastro Histórico do Conta Corrente - FF" />
      <l ns="0" title="Cadastro Tabela de Preço - FF" />
      <l ns="0" title="Cadastro da Base de Cálculo do Crédito - NF-e" />
      <l ns="0" title="Cadastro da Classificação do Item - NF-e" />
      <l ns="0" title="Cadastro de Agrupamento de Estoque - NF-e" />
      <l ns="0" title="Cadastro de Banco - NF-e" />
    </alllinks>
  </query>
</api>