diff --git a/.woodpecker.yml b/.woodpecker.yml
index 489634d..dfa4d02 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -34,6 +34,7 @@ steps:
       - pip install virtualenv && virtualenv venv
       - make env
       - make test.env
+      - mv .env.local .env_sample
 
   test:
     image: rust
@@ -42,4 +43,4 @@ steps:
       - PASSWORD=password
       - INSTANCE_URL=http://mcaptcha:7000
     commands:
-      - . .env.local && echo $TOKEN $SITEKY
+      - . .env_sample && make test
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..089f9af
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "mcaptcha-api-rs"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+reqwest = { version = "0.11.23", features = ["json", "gzip", "native-tls"] }
+serde = { version = "1.0.194", features = ["derive"] }
+url = "2.5.0"
+
+[dev-dependencies]
+actix-rt = "2.9.0"
diff --git a/Makefile b/Makefile
index c96df4f..2bcba49 100644
--- a/Makefile
+++ b/Makefile
@@ -16,10 +16,9 @@ test.env:
 
 
 test:
-	. env.local && . && \
-		SITEKEY=$(SITEKEY) SECRET=$(SECRET) \
+	SITEKEY=$(SITEKEY) SECRET=$(SECRET) \
 		INSTANCE_URL=$(INSTANCE_URL) \
-		TOKEN=$(TOKEN) pytest
+		TOKEN=$(TOKEN) cargo test
 
 lint:
 	black src/ scripts/
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..9dab94e
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,83 @@
+use reqwest::Client;
+use serde::{Deserialize, Serialize};
+use url::Url;
+
+pub struct MCaptcha {
+    client: Client,
+    sitekey: String,
+    account_secret: String,
+    verify_path: Url,
+}
+
+impl MCaptcha {
+    pub fn new(sitekey: String, account_secret: String, instance_url: Url) -> Self {
+        let mut verify_path = instance_url.clone();
+        verify_path.set_path("/api/v1/pow/siteverify");
+        Self {
+            sitekey,
+            account_secret,
+            verify_path,
+            client: Client::new(),
+        }
+    }
+
+    pub async fn verify(&self, token: &str) -> Result<bool, reqwest::Error> {
+        let payload = CaptchaVerfiyPayload::from_ctx(self, token);
+        let res: CaptchaVerifyResp = self
+            .client
+            .post(self.verify_path.clone())
+            .json(&payload)
+            .send()
+            .await
+            .unwrap()
+            .json()
+            .await
+            .unwrap();
+
+        Ok(res.valid)
+    }
+}
+
+#[derive(Default, Debug, PartialEq, Clone, Serialize, Deserialize)]
+struct CaptchaVerifyResp {
+    valid: bool,
+}
+
+#[derive(Default, Debug, PartialEq, Clone, Serialize, Deserialize)]
+struct CaptchaVerfiyPayload<'a> {
+    token: &'a str,
+    key: &'a str,
+    secret: &'a str,
+}
+
+impl<'a> CaptchaVerfiyPayload<'a> {
+    fn from_ctx(m: &'a MCaptcha, token: &'a str) -> Self {
+        Self {
+            key: &m.sitekey,
+            token,
+            secret: &m.account_secret,
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::env;
+
+    #[actix_rt::test]
+    async fn verify_works() {
+        let instance_url = env::var("INSTANCE_URL").expect("instance url not set");
+        let sitekey = env::var("SITEKEY").expect("sitekey not set");
+        let secret = env::var("SECRET").expect("secret not set");
+        let token = env::var("TOKEN").expect("token not set");
+
+        let mcaptcha = MCaptcha::new(
+            sitekey,
+            secret,
+            Url::parse(&instance_url).expect("instance_url is not URL"),
+        );
+        assert!(mcaptcha.verify(&token).await.unwrap());
+        assert!(!mcaptcha.verify("foo").await.unwrap());
+    }
+}