diff --git a/package.json b/package.json
index 455d99f..0e5368f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "oohost.js",
-	"version": "0.0.4",
+	"version": "0.0.5",
 	"description": "TypeScript library for accessing the oohost API",
 	"license": "MIT",
 	"author": "oohost.cz",
diff --git a/src/models/Certificate.ts b/src/models/Certificate.ts
index 25c7acd..3fbc24e 100644
--- a/src/models/Certificate.ts
+++ b/src/models/Certificate.ts
@@ -1,6 +1,5 @@
 import { API, Response } from "../API";
 import { APIList } from "../APIList";
-import { PromisedData } from "./Base";
 import { UserInclude } from "./User";
 
 export class Certificate {
@@ -11,9 +10,10 @@ export class Certificate {
 		this.id = id;
 	}
 
-	public async getDetails(): PromisedData<CertificateDetails> {
-		let r = await API.get("certs/details", {id: this.id});
-		return [ r.get().details ?? null, r.getErrors() ];
+	public async getDetails() {
+		let res = await API.get("certs/details", {id: this.id});
+		let details: CertificateDetails | null = res.get().details ?? null;
+		return {details, res};
 	}
 
 	public async remove(): Promise<Response> {
@@ -28,16 +28,31 @@ export class Certificate {
 		return await API.get("certs/edit", {id: this.id, ...data});
 	}
 
+	public static async add(name: string, private_key: string, certificate: string) {
+		let res = await API.get("certs/add", {name, private_key, certificate});
+		let id: number | null = res.success ? res.get().info.id : null;
+		return {id, res};
+	}
+
+	public static async generate(domains: string) {
+		let res = await API.get("certs/generate", {domains});
+		let data: CertificateData | null = res.success ? res.get().certificate : null;
+		return {data, res};
+	}
+
 	public static getList(): APIList<CertificateListItem> {
 		return new APIList("certs/list");
 	}
 
 }
 
-export interface CertificateEdit {
-	name?: string,
-	private_key?: string,
-	certificate?: string
+export interface CertificateData {
+	private_key: string,
+	certificate: string
+}
+
+export interface CertificateEdit extends Partial<CertificateData> {
+	name?: string
 }
 
 export interface CertificateListItem {