diff --git a/types/new-github-issue-url/index.d.ts b/types/new-github-issue-url/index.d.ts
new file mode 100644
index 0000000000..f784a0d85d
--- /dev/null
+++ b/types/new-github-issue-url/index.d.ts
@@ -0,0 +1,81 @@
+// Type definitions for new-github-issue-url 0.1
+// Project: https://github.com/sindresorhus/new-github-issue-url#readme
+// Definitions by: BendingBender <https://github.com/BendingBender>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.8
+
+export = newGithubIssueUrl;
+
+/**
+ * Returns a URL string.
+ */
+declare function newGithubIssueUrl(options: newGithubIssueUrl.Options): string;
+
+declare namespace newGithubIssueUrl {
+    type Without<T, U> = { [P in Exclude<keyof T, keyof U>]?: never };
+    type XOR<T, U> = (T | U) extends object ? (Without<T, U> & U) | (Without<U, T> & T) : T | U;
+
+    type Options = XOR<RepoUrlOptions, UserRepoOptions>;
+
+    interface BaseOptions {
+        /**
+         * The issue body.
+         */
+        body?: string;
+        /**
+         * The issue title.
+         */
+        title?: string;
+        /**
+         * Use an [issue template](https://help.github.com/articles/manually-creating-a-single-issue-template-for-your-repository).
+         *
+         * For example, if you want to use a template at `ISSUE_TEMPLATE/unicorn.md`, you would specify `unicorn.md` here.
+         */
+        template?: string;
+        /**
+         * The labels for the issue.
+         *
+         * *Requires the user to have the permission to add labels.*
+         */
+        labels?: string[];
+        /**
+         * The milestone for the issue.
+         *
+         * *Requires the user to have the permission to add milestone.*
+         */
+        milestone?: string;
+        /**
+         * The user to assign to the issue.
+         *
+         * *Requires the user to have the permission to add assignee.*
+         */
+        assignee?: string;
+        /**
+         * The projects to add the issue to.
+         *
+         * The project reference format is `user/<project-number>`, for example, if the URL to the project
+         * is `https://github.com/sindresorhus/some-repo/projects/3`, the project reference would be `some-repo/3`.
+         *
+         * *Requires the user to have the permission to add projects.*
+         */
+        projects?: string[];
+    }
+
+    interface RepoUrlOptions extends BaseOptions {
+        /**
+         * The full URL to the repo.
+         */
+        repoUrl: string;
+    }
+
+    interface UserRepoOptions extends BaseOptions {
+        /**
+         * GitHub username or organization.
+         */
+        user: string;
+        /**
+         * GitHub repo.
+         */
+        repo: string;
+    }
+}
diff --git a/types/new-github-issue-url/new-github-issue-url-tests.ts b/types/new-github-issue-url/new-github-issue-url-tests.ts
new file mode 100644
index 0000000000..c64b1aaa61
--- /dev/null
+++ b/types/new-github-issue-url/new-github-issue-url-tests.ts
@@ -0,0 +1,54 @@
+import newGithubIssueUrl = require('new-github-issue-url');
+
+// $ExpectType string
+newGithubIssueUrl({
+    repoUrl: 'https://github.com/sindresorhus/new-github-issue-url.git',
+});
+// $ExpectType string
+newGithubIssueUrl({
+    user: 'sindresorhus',
+    repo: 'new-github-issue-url',
+});
+// $ExpectError
+newGithubIssueUrl({
+    user: 'sindresorhus',
+});
+// $ExpectError
+newGithubIssueUrl({
+    repo: 'new-github-issue-url',
+});
+// $ExpectType string
+newGithubIssueUrl({
+    repoUrl: 'https://github.com/sindresorhus/new-github-release-url.git',
+    body: 'foo',
+});
+// $ExpectType string
+newGithubIssueUrl({
+    repoUrl: 'https://github.com/sindresorhus/new-github-release-url.git',
+    title: 'foo',
+});
+// $ExpectType string
+newGithubIssueUrl({
+    repoUrl: 'https://github.com/sindresorhus/new-github-release-url.git',
+    template: 'unicorn.md',
+});
+// $ExpectType string
+newGithubIssueUrl({
+    repoUrl: 'https://github.com/sindresorhus/new-github-release-url.git',
+    labels: ['foo', 'bar'],
+});
+// $ExpectType string
+newGithubIssueUrl({
+    repoUrl: 'https://github.com/sindresorhus/new-github-release-url.git',
+    milestone: 'foo',
+});
+// $ExpectType string
+newGithubIssueUrl({
+    repoUrl: 'https://github.com/sindresorhus/new-github-release-url.git',
+    assignee: 'sindresorhus',
+});
+// $ExpectType string
+newGithubIssueUrl({
+    repoUrl: 'https://github.com/sindresorhus/new-github-release-url.git',
+    projects: ['some-repo/3'],
+});
diff --git a/types/new-github-issue-url/tsconfig.json b/types/new-github-issue-url/tsconfig.json
new file mode 100644
index 0000000000..3b1da7ee63
--- /dev/null
+++ b/types/new-github-issue-url/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "new-github-issue-url-tests.ts"
+    ]
+}
diff --git a/types/new-github-issue-url/tslint.json b/types/new-github-issue-url/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/new-github-issue-url/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }