diff --git a/pytrustnfe/nfse/floripa/__init__.py b/pytrustnfe/nfse/floripa/__init__.py
index 10ca211..a8282d3 100644
--- a/pytrustnfe/nfse/floripa/__init__.py
+++ b/pytrustnfe/nfse/floripa/__init__.py
@@ -10,6 +10,17 @@ from pytrustnfe.xml import render_xml, sanitize_response
 from pytrustnfe.certificado import extract_cert_and_key_from_pfx, save_cert_key
 from pytrustnfe.nfse.assinatura import Assinatura
 
+URLS = {
+    'producao': {
+        'processar_nota': 'https://nfps-e.pmf.sc.gov.br/api/v1/processamento/notas/processa',
+        'cancelar_nota': 'https://nfps-e.pmf.sc.gov.br/api/v1/cancelamento/notas/cancela'
+    },
+    'homologacao': {
+        'processar_nota': 'https://nfps-e-hml.pmf.sc.gov.br/api/v1/processamento/notas/processa',
+        'cancelar_nota': 'https://nfps-e-hml.pmf.sc.gov.br/api/v1/cancelamento/notas/cancela'
+    }
+}
+
 
 def _render(certificado, method, **kwargs):
     path = os.path.join(os.path.dirname(__file__), 'templates')
@@ -49,11 +60,7 @@ def _get_oauth_token(**kwargs):
 
 
 def _send(certificado, method, **kwargs):
-    if kwargs['ambiente'] == 'producao':
-        url = 'https://nfps-e.pmf.sc.gov.br/api/v1/processamento/notas/processa'  #noqa
-    else:
-        url = 'https://nfps-e-hml.pmf.sc.gov.br/api/v1/processamento/notas/processa'
-
+    url = URLS[kwargs['ambiente']][method]
     xml_send = kwargs['xml']
 
     token = _get_oauth_token(**kwargs)
@@ -62,7 +69,8 @@ def _send(certificado, method, **kwargs):
                                          token["message"]))
     kwargs.update({"numero": 1, 'access_token': token["access_token"]})
 
-    headers = {"Accept": "application/xml",
+    headers = {"Accept": "application/xml;charset=UTF-8",
+               "Content-Type": "application/xml",
                "Authorization": "Bearer %s" % kwargs['access_token']}
     r = requests.post(url, headers=headers, data=xml_send)