[ "type" => "mensagem", "contact" => [ "name" => "Lucas", "number" => "1040", "matricula" => "" ], "mensagem" => [ "type" => "document", "content" => base64_encode($varre), "id_provedor" => '6545243524333', "dst" => "556596107663", "uniqueid" => 1638196372, "file_name" => 'bruno', "media" => "whatsapp", "datetime" => 1638196372, "status" => "sent", "mimetype" => "application/pdf" ] ]]; $request->setUrl($url); $header = array(); $header[] = 'Content-Type: application/json'; $request->post_field(json_encode($data), true); $request->header($header); $request->method_request("POST"); $response = $request->exec_request(); // echo base64_encode($varre);