diff --git a/lib/index.js b/lib/index.js
index e25856a..e23a850 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,29 +1,109 @@
 'use strict';
 
 var request;
-var defaults = {};
+var defaults = {
+		baseUrl: 'https://dns.api.gandi.net/api/v5/'
+};
 
 module.exports.create = function(config) {
+ 	var baseUrl = (config.baseUrl || defaults.baseUrl).replace(/\/$/, '');
+	var authtoken = config.token;
+	var request;
+  
 	return {
 		init: function(opts) {
 			request = opts.request;
 			return null;
 		},
-		zones: function(data) {
-			//console.info('List Zones', data);
-			throw Error('listing zones not implemented');
+
+		zones: function(opts) {
+			console.log(opts);
+			
+			return request({
+					method: 'GET',
+					url: baseUrl + '/zones',
+					headers: { 'X-Api-Key': authtoken },
+					json: true
+				}).then(function(resp) {
+					return resp.body.map(function (zone) { return zone.name; });;
+				});;
+			},
+
+		set: function(opts) {
+			console.log(opts);
+			
+			return request({
+				method: 'GET',
+				url: baseUrl + '/domains/' + opts.challenge.dnsZone + '/records/' + opts.challenge.dnsPrefix + '/TXT',
+				headers: { 'X-Api-Key': authtoken},
+				json: true
+			}).then(function(resp) {
+                if (resp.body.cause === 'Not Found') {
+					return request({
+				        method: 'POST',
+                        url: baseUrl + '/domains/' + opts.challenge.dnsZone + '/records',
+                        headers: { 'X-Api-Key': authtoken },
+                        json: {'rrset_name': opts.challenge.dnsPrefix,
+                              'rrset_type': 'TXT',
+                              'rrset_ttl': 300,
+                              'rrset_values': [opts.challenge.dnsAuthorization] }
+					})
+			    }
+                else {
+                    const body = resp.body
+                    let value = body.rrset_values.map(x => JSON.parse(x))
+              
+                    if (body.rrset_values) {
+                        return request({
+                            method: 'PUT',
+                            url: baseUrl + '/domains/' + opts.challenge.dnsZone + '/records/' + opts.challenge.dnsPrefix + '/TXT',
+                            headers: { 'X-Api-Key': authtoken},
+                            json: {'rrset_ttl': 300,
+                                    'rrset_values': value.concat([opts.challenge.dnsAuthorization] ) 
+                                }
+						})           
+                    }
+                }
+			})
+			;;
 		},
-		set: function(data) {
-			// console.info('Add TXT', data);
-			throw Error('setting TXT not implemented');
-		},
-		remove: function(data) {
-			// console.info('Remove TXT', data);
-			throw Error('removing TXT not implemented');
-		},
-		get: function(data) {
-			// console.info('List TXT', data);
-			throw Error('listing TXTs not implemented');
+
+		remove: function(opts) {
+			console.log(opts);
+			
+			return request({
+				method: 'DELETE',
+				url: baseUrl + '/domains/' + opts.challenge.dnsZone + '/records/' + opts.challenge.dnsPrefix + '/TXT',
+				headers: { 'X-Api-Key': authtoken },
+				json: true
+			})			
 		}
+		,
+
+		get: function(opts) {
+			console.log(opts);
+					
+			return request({
+				method: 'GET',
+				url: baseUrl + '/domains/' + opts.challenge.dnsZone + '/records/' + opts.challenge.dnsPrefix,
+				headers: { 'X-Api-Key': authtoken},
+				json: true
+			}).then(function(resp) {
+				const body = resp.body
+				if (body.length > 0) {
+					let	value = body[0].rrset_values.map(x => JSON.parse(x)).filter(field => field === opts.challenge.dnsAuthorization)
+					if (value !== []) {
+						return { dnsAuthorization: value[0]}
+					}
+					else {
+						return null
+					}
+			}
+				else {
+					return null
+				}
+			})
+		}
+	})
 	};
 };