diff --git a/Cargo.toml b/Cargo.toml
index b7222df..b625ad1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 
 [lib]
 name = "onod3000"
-crate-type = ["cdylib", "lib"]
+crate-type = ["cdylib", "staticlib", "lib"]
 
 [dependencies]
 flate2 = "1.0.35"
@@ -19,3 +19,8 @@ python = ["dep:pyo3"]
 [[bin]]
 name="onod3000"
 file="src/bin/onod3000.rs"
+
+[profile.release]
+lto = true
+codegen-units = 1
+panic = "abort"
\ No newline at end of file
diff --git a/include/onod3000.h b/include/onod3000.h
new file mode 100644
index 0000000..cfd07c1
--- /dev/null
+++ b/include/onod3000.h
@@ -0,0 +1,18 @@
+#pragma once
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Returns true on success. Writes three doubles: obs, z, p
+bool onod_run(const char* test,
+              const uint8_t* samples,
+              size_t len,
+              double* result /* length >= 3 */);
+
+#ifdef __cplusplus
+}
+#endif