diff --git a/types/axios-case-converter/axios-case-converter-tests.ts b/types/axios-case-converter/axios-case-converter-tests.ts
new file mode 100644
index 0000000000..77fa927976
--- /dev/null
+++ b/types/axios-case-converter/axios-case-converter-tests.ts
@@ -0,0 +1,6 @@
+import axios from "axios";
+import applyConverters from "axios-case-converter";
+
+applyConverters(); // $ExpectError
+
+applyConverters(axios.create()); // $ExpectType AxiosInstance
diff --git a/types/axios-case-converter/index.d.ts b/types/axios-case-converter/index.d.ts
new file mode 100644
index 0000000000..2071ee4dbc
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+++ b/types/axios-case-converter/index.d.ts
@@ -0,0 +1,7 @@
+// Type definitions for axios-case-converter 0.3
+// Project: https://github.com/mpyw/axios-case-converter
+// Definitions by: Derek Kniffin <https://github.com/dkniffin>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+import { AxiosInstance } from "axios";
+
+export default function applyConverters(axios: AxiosInstance): AxiosInstance;
diff --git a/types/axios-case-converter/package.json b/types/axios-case-converter/package.json
new file mode 100644
index 0000000000..ab98e74e0b
--- /dev/null
+++ b/types/axios-case-converter/package.json
@@ -0,0 +1,6 @@
+{
+    "private": true,
+    "dependencies": {
+        "axios": "^0.16.1"
+    }
+}
diff --git a/types/axios-case-converter/tsconfig.json b/types/axios-case-converter/tsconfig.json
new file mode 100644
index 0000000000..fb3102b6eb
--- /dev/null
+++ b/types/axios-case-converter/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",
+        "axios-case-converter-tests.ts"
+    ]
+}
diff --git a/types/axios-case-converter/tslint.json b/types/axios-case-converter/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/axios-case-converter/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }