diff --git a/src/erpbrasil/edoc/cte.py b/src/erpbrasil/edoc/cte.py
new file mode 100644
index 0000000..099e1b7
--- /dev/null
+++ b/src/erpbrasil/edoc/cte.py
@@ -0,0 +1,349 @@
+from contextlib import suppress
+
+from lxml import etree
+import gzip
+import base64
+
+from erpbrasil.edoc.edoc import DocumentoEletronico
+from erpbrasil.transmissao import TransmissaoSOAP
+
+from .resposta import analisar_retorno_raw
+
+with suppress(ImportError):
+    from nfelib.cte.bindings.v4_0 import (
+        Cte,
+        EvCancCte,
+        RetConsSitCte,
+        RetConsStatServCte,
+        RetCte,
+        RetEventoCte,
+        ConsSitCte,
+        Tcte,
+        ConsStatServCte
+    )
+
+AMBIENTE_PRODUCAO = "producao"
+AMBIENTE_HOMOLOGACAO = "homologacao"
+
+WS_CTE_CONSULTA = "CTeConsultaV4"
+WS_CTE_RECEPCAO_EVENTO = "CTeRecepcaoEventoV4"
+WS_CTE_RECEPCAO_GT = "CTeRecepcaoGTVeV4"
+WS_CTE_RECEPCAO_OS = "CTeRecepcaoOSV4"
+WS_CTE_RECEPCAO_SINC = "CTeRecepcaoSincV4"
+WS_CTE_STATUS_SERVICO = "CTeStatusServicoV4"
+QR_CODE_URL = "QRCode"
+
+SIGLA_ESTADO = {
+    "AC": 12,
+    "AL": 27,
+    "AM": 13,
+    "AP": 16,
+    "BA": 29,
+    "CE": 23,
+    "DF": 53,
+    "ES": 32,
+    "GO": 52,
+    "MA": 21,
+    "MG": 31,
+    "MS": 50,
+    "MT": 51,
+    "PA": 15,
+    "PB": 25,
+    "PE": 26,
+    "PI": 22,
+    "PR": 41,
+    "RJ": 33,
+    "RN": 24,
+    "RO": 11,
+    "RR": 14,
+    "RS": 43,
+    "SC": 42,
+    "SE": 28,
+    "SP": 35,
+    "TO": 17,
+    "AN": 91,
+}
+
+SVSP_STATES = ["AP", "PE", "RR", "SP"]
+SVRS_STATES = [
+    "AC",
+    "AL",
+    "AM",
+    "BA",
+    "CE",
+    "DF",
+    "ES",
+    "GO",
+    "MA",
+    "PA",
+    "PB",
+    "PI",
+    "RJ",
+    "RN",
+    "RO",
+    "SC",
+    "SE",
+    "TO",
+]
+
+SVSP = {
+    AMBIENTE_PRODUCAO: {
+        "servidor": "nfe.fazenda.sp.gov.br",
+        WS_CTE_CONSULTA: "CTeWS/WS/CTeConsultaV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_EVENTO: "CTeWS/WS/CTeRecepcaoEventoV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_GT: "CTeWS/WS/CTeRecepcaoGTVeV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_OS: "CTeWS/WS/CTeRecepcaoOSV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_SINC: "CTeWS/WS/CTeRecepcaoSincV4.asmx?wsdl",
+        WS_CTE_STATUS_SERVICO: "CTeWS/WS/CTeStatusServicoV4.asmx?wsdl",
+        QR_CODE_URL: "https://nfe.fazenda.sp.gov.br/CTeConsulta/qrCode",
+    },
+    AMBIENTE_HOMOLOGACAO: {
+        "servidor": "homologacao.nfe.fazenda.sp.gov.br",
+        WS_CTE_CONSULTA: "CTeWS/WS/CTeConsultaV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_EVENTO: "CTeWS/WS/CTeRecepcaoEventoV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_GT: "CTeWS/WS/CTeRecepcaoGTVeV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_OS: "CTeWS/WS/CTeRecepcaoOSV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_SINC: "CTeWS/WS/CTeRecepcaoSincV4.asmx?wsdl",
+        WS_CTE_STATUS_SERVICO: "CTeWS/WS/CTeStatusServicoV4.asmx?wsdl",
+        QR_CODE_URL: "https://homologacao.nfe.fazenda.sp.gov.br/CTeConsulta/qrCode",
+    }
+}
+
+SVRS = {
+    AMBIENTE_PRODUCAO: {
+        "servidor": "cte.svrs.rs.gov.br",
+        WS_CTE_CONSULTA: "ws/CTeConsultaV4/CTeConsultaV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_EVENTO: "ws/CTeRecepcaoEventoV4/CTeRecepcaoEventoV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_GT: "ws/CTeRecepcaoGTVeV4/CTeRecepcaoGTVeV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_OS: "ws/CTeRecepcaoOSV4/CTeRecepcaoOSV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_SINC: "ws/CTeRecepcaoSincV4/CTeRecepcaoSincV4.asmx?wsdl",
+        WS_CTE_STATUS_SERVICO: "ws/CTeStatusServicoV4/CTeStatusServicoV4.asmx?wsdl",
+        QR_CODE_URL: "https://dfe-portal.svrs.rs.gov.br/cte/qrCode",
+    },
+    AMBIENTE_HOMOLOGACAO: {
+        "servidor": "cte-homologacao.svrs.rs.gov.br",
+        WS_CTE_CONSULTA: "ws/CTeConsultaV4/CTeConsultaV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_EVENTO: "ws/CTeRecepcaoEventoV4/CTeRecepcaoEventoV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_GT: "ws/CTeRecepcaoGTVeV4/CTeRecepcaoGTVeV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_OS: "ws/CTeRecepcaoOSV4/CTeRecepcaoOSV4.asmx?wsdl",
+        WS_CTE_RECEPCAO_SINC: "ws/CTeRecepcaoSincV4/CTeRecepcaoSincV4.asmx?wsdl",
+        WS_CTE_STATUS_SERVICO: "ws/CTeStatusServicoV4/CTeStatusServicoV4.asmx?wsdl",
+        QR_CODE_URL: "https://dfe-portal.svrs.rs.gov.br/cte/qrCode",
+    }
+}
+
+MT = {
+    AMBIENTE_PRODUCAO: {
+        "servidor": "cte.sefaz.mt.gov.br",
+        WS_CTE_CONSULTA: "ctews2/services/CTeConsultaV4?wsdl",
+        WS_CTE_RECEPCAO_EVENTO: "ctews2/services/CTeRecepcaoEventoV4?wsdl",
+        WS_CTE_RECEPCAO_GT: "ctews2/services/CTeRecepcaoGTVeV4?wsdl",
+        WS_CTE_RECEPCAO_OS: "ctews/services/CTeRecepcaoOSV4?wsdl",
+        WS_CTE_RECEPCAO_SINC: "ctews2/services/CTeRecepcaoSincV4?wsdl",
+        WS_CTE_STATUS_SERVICO: "ctews2/services/CTeStatusServicoV4?wsdl",
+        QR_CODE_URL: "https://www.sefaz.mt.gov.br/cte/qrcode",
+    },
+    AMBIENTE_HOMOLOGACAO: {
+        "servidor": "homologacao.sefaz.mt.gov.br",
+        WS_CTE_CONSULTA: "ctews2/services/CTeConsultaV4?wsdl",
+        WS_CTE_RECEPCAO_EVENTO: "ctews2/services/CTeRecepcaoEventoV4?wsdl",
+        WS_CTE_RECEPCAO_GT: "ctews2/services/CTeRecepcaoGTVeV4?wsdl",
+        WS_CTE_RECEPCAO_OS: "ctews/services/CTeRecepcaoOSV4?wsdl",
+        WS_CTE_RECEPCAO_SINC: "ctews2/services/CTeRecepcaoSincV4?wsdl",
+        WS_CTE_STATUS_SERVICO: "ctews2/services/CTeStatusServicoV4?wsdl",
+        QR_CODE_URL: "https://homologacao.sefaz.mt.gov.br/cte/qrcode",
+    }
+}
+
+MS = {
+    AMBIENTE_PRODUCAO: {
+        "servidor": "producao.cte.ms.gov.br",
+        WS_CTE_CONSULTA: "ws/CTeConsultaV4?wsdl",
+        WS_CTE_RECEPCAO_EVENTO: "ws/CTeRecepcaoEventoV4?wsdl",
+        WS_CTE_RECEPCAO_GT: "ws/CTeRecepcaoGTVeV4?wsdl",
+        WS_CTE_RECEPCAO_OS: "ws/CTeRecepcaoOSV4?wsdl",
+        WS_CTE_RECEPCAO_SINC: "ws/CTeRecepcaoSincV4?wsdl",
+        WS_CTE_STATUS_SERVICO: "ws/CTeStatusServicoV4?wsdl",
+        QR_CODE_URL: "http://www.dfe.ms.gov.br/cte/qrcode",
+    },
+    AMBIENTE_HOMOLOGACAO: {
+        "servidor": "homologacao.cte.ms.gov.br",
+        WS_CTE_CONSULTA: "ws/CTeConsultaV4?wsdl",
+        WS_CTE_RECEPCAO_EVENTO: "ws/CTeRecepcaoEventoV4?wsdl",
+        WS_CTE_RECEPCAO_GT: "ws/CTeRecepcaoGTVeV4?wsdl",
+        WS_CTE_RECEPCAO_OS: "ws/CTeRecepcaoOSV4?wsdl",
+        WS_CTE_RECEPCAO_SINC: "ws/CTeRecepcaoSincV4?wsdl",
+        WS_CTE_STATUS_SERVICO: "ws/CTeStatusServicoV4?wsdl",
+        QR_CODE_URL: "http://www.dfe.ms.gov.br/cte/qrcode",
+    }
+}
+
+MG = {
+    AMBIENTE_PRODUCAO: {
+        "servidor": "cte.fazenda.mg.gov.br",
+        WS_CTE_CONSULTA: "cte/services/CTeConsultaV4?wsdl",
+        WS_CTE_RECEPCAO_EVENTO: "cte/services/CTeRecepcaoEventoV4?wsdl",
+        WS_CTE_RECEPCAO_GT: "cte/services/CTeRecepcaoGTVeV4?wsdl",
+        WS_CTE_RECEPCAO_OS: "cte/services/CTeRecepcaoOSV4?wsdl",
+        WS_CTE_RECEPCAO_SINC: "cte/services/CTeRecepcaoSincV4?wsdl",
+        WS_CTE_STATUS_SERVICO: "cte/services/CTeStatusServicoV4?wsdl",
+        QR_CODE_URL: "https://cte.fazenda.mg.gov.br/portalcte/sistema/qrcode.xhtml",
+    },
+    AMBIENTE_HOMOLOGACAO: {
+        "servidor": "hcte.fazenda.mg.gov.br",
+        WS_CTE_CONSULTA: "cte/services/CTeConsultaV4?wsdl",
+        WS_CTE_RECEPCAO_EVENTO: "cte/services/CTeRecepcaoEventoV4?wsdl",
+        WS_CTE_RECEPCAO_GT: "cte/services/CTeRecepcaoGTVeV4?wsdl",
+        WS_CTE_RECEPCAO_OS: "cte/services/CTeRecepcaoOSV4?wsdl",
+        WS_CTE_RECEPCAO_SINC: "cte/services/CTeRecepcaoSincV4?wsdl",
+        WS_CTE_STATUS_SERVICO: "cte/services/CTeStatusServicoV4?wsdl",
+        QR_CODE_URL: "https://cte.fazenda.mg.gov.br/portalcte/sistema/qrcode.xhtml",
+    }
+}
+
+PR = {
+    AMBIENTE_PRODUCAO: {
+        "servidor": "cte.fazenda.pr.gov.br",
+        WS_CTE_CONSULTA: "cte4/CTeConsultaV4?wsdl",
+        WS_CTE_RECEPCAO_EVENTO: "cte4/CTeRecepcaoEventoV4?wsdl",
+        WS_CTE_RECEPCAO_GT: "cte4/CTeRecepcaoGTVeV4?wsdl",
+        WS_CTE_RECEPCAO_OS: "cte4/CTeRecepcaoOSV4?wsdl",
+        WS_CTE_RECEPCAO_SINC: "cte4/CTeRecepcaoSincV4?wsdl",
+        WS_CTE_STATUS_SERVICO: "cte4/CTeStatusServicoV4?wsdl",
+        QR_CODE_URL: "http://www.fazenda.pr.gov.br/cte/qrcode",
+    },
+    AMBIENTE_HOMOLOGACAO: {
+        "servidor": "homologacao.cte.fazenda.pr.gov.br",
+        WS_CTE_CONSULTA: "cte4/CTeConsultaV4?wsdl",
+        WS_CTE_RECEPCAO_EVENTO: "cte4/CTeRecepcaoEventoV4?wsdl",
+        WS_CTE_RECEPCAO_GT: "cte4/CTeRecepcaoGTVeV4?wsdl",
+        WS_CTE_RECEPCAO_OS: "cte4/CTeRecepcaoOSV4?wsdl",
+        WS_CTE_RECEPCAO_SINC: "cte4/CTeRecepcaoSincV4?wsdl",
+        WS_CTE_STATUS_SERVICO: "cte4/CTeStatusServicoV4?wsdl",
+        QR_CODE_URL: "http://www.fazenda.pr.gov.br/cte/qrcode",
+    }
+}
+
+
+def get_service_url(sigla_estado, service, ambiente):
+    if sigla_estado in SVSP_STATES:
+        state_config = SVSP
+    elif sigla_estado in SVRS_STATES:
+        state_config = SVRS
+    else:
+        state_config = sigla_estado
+
+    if not state_config:
+        raise ValueError(f"Estado {sigla_estado} não suportado ou configuração ausente.")
+
+    environment = AMBIENTE_PRODUCAO if ambiente == 1 else AMBIENTE_HOMOLOGACAO
+    if service == "QRCode":
+        return state_config[environment][QR_CODE_URL]
+
+    server = state_config[environment]["servidor"]
+    service_path = state_config[environment][service]
+    return f"https://{server}/{service_path}"
+
+
+class CTe(DocumentoEletronico):
+    _namespace = "http://www.portalfiscal.inf.br/cte"
+    _edoc_situacao_arquivo_recebido_com_sucesso = "103"
+    _edoc_situacao_servico_em_operacao = "107"
+    _consulta_servico_ao_enviar = True
+    _consulta_documento_antes_de_enviar = True
+    _maximo_tentativas_consulta_recibo = 5
+
+    def __init__(self, transmissao, uf, versao="4.00", ambiente="1", mod="57"):
+        super().__init__(transmissao)
+        self.versao = str(versao)
+        self.ambiente = str(ambiente)
+        self.uf = int(uf)
+        self.mod = str(mod)
+
+    def _get_ws_endpoint(self, service):
+        sigla = None
+        for uf_code, ibge_code in SIGLA_ESTADO.items():
+            if ibge_code == self.uf:
+                sigla = uf_code
+                break
+
+        if not sigla:
+            raise ValueError(f"UF {self.uf} não suportado ou configuração ausente.")
+
+        return get_service_url(sigla, service, self.ambiente)
+
+    def _verifica_resposta_envio_sucesso(self, proc_envio):
+        return (
+            proc_envio.resposta.cStat
+            == self._edoc_situacao_arquivo_recebido_com_sucesso
+        )
+
+    def status_servico(self):
+        raiz = ConsStatServCte(
+            tpAmb=self.ambiente, cUF=self.uf, versao=self.versao
+        )
+        return self._post(
+            raiz=raiz,
+            url=self._get_ws_endpoint(WS_CTE_STATUS_SERVICO),
+            operacao="cteStatusServicoCT",
+            classe=RetConsStatServCte,
+        )
+
+    def consulta_documento(self, chave):
+        raiz = ConsSitCte(tpAmb=self.ambiente, chCTe=chave, versao=self.versao)
+        return self._post(
+            raiz=raiz,
+            url=self._get_ws_endpoint(WS_CTE_CONSULTA),
+            operacao="cteConsultaCT",
+            classe=RetConsSitCte,
+        )
+
+    def envia_documento(self, edoc):
+        xml_assinado = self.assina_raiz(edoc, edoc.infCte.Id)
+
+        # Compactar o XML assinado com GZip
+        gzipped_xml = gzip.compress(xml_assinado.encode('utf-8'))
+
+        # Codificar o XML compactado em Base64
+        base64_gzipped_xml = base64.b64encode(gzipped_xml).decode('utf-8')
+
+        return self._post(
+            raiz=base64_gzipped_xml,
+            url=self._get_ws_endpoint(WS_CTE_RECEPCAO_SINC),
+            operacao="cteRecepcao",
+            classe=RetCte,
+        )
+
+    def cancela_documento(self, doc_numero, justificativa):
+        raiz = EvCancCte(
+            descEvento="Cancelamento", nProt=doc_numero, xJust=justificativa
+        )
+        return self._post(
+            raiz=raiz,
+            url=self._get_ws_endpoint(WS_CTE_RECEPCAO_EVENTO),
+            operacao="cteRecepcaoEvento",
+            classe=RetEventoCte,
+        )
+
+    def consulta_recibo(self):
+        pass
+
+    def get_documento_id(self, edoc):
+        return edoc.infCte.Id[:3], edoc.infCte.Id[3:]
+
+    def monta_qrcode(self, chave):
+        return f"{self._get_ws_endpoint(QR_CODE_URL)}?chCTe={chave}&tpAmb={self.ambiente}"
+
+
+class TransmissaoCTE(TransmissaoSOAP):
+
+    def interpretar_mensagem(self, mensagem, **kwargs):
+        if isinstance(mensagem, str):
+            try:
+                return etree.fromstring(mensagem, parser=etree.XMLParser(
+                    remove_blank_text=True
+                ))
+            except (etree.XMLSyntaxError, ValueError):
+                # Retorna a string original se houver um erro na conversão
+                return mensagem
+        return mensagem