diff --git a/Cargo.toml b/Cargo.toml
index 8c1d628..dc0ea02 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "http-signature-normalization"
 description = "An HTTP Signatures library that leaves the signing to you"
-version = "0.1.1"
+version = "0.2.0"
 authors = ["asonix <asonix@asonix.dog>"]
 license-file = "LICENSE"
 readme = "README.md"
@@ -15,6 +15,7 @@ edition = "2018"
 members = [
     "http-signature-normalization-actix",
     "http-signature-normalization-http",
+    "http-signature-normalization-reqwest",
     "http-signature-normalization-warp",
 ]
 
diff --git a/http-signature-normalization-actix/Cargo.toml b/http-signature-normalization-actix/Cargo.toml
index f01d66c..d130820 100644
--- a/http-signature-normalization-actix/Cargo.toml
+++ b/http-signature-normalization-actix/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "http-signature-normalization-actix"
 description = "An HTTP Signatures library that leaves the signing to you"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["asonix <asonix@asonix.dog>"]
 license-file = "LICENSE"
 readme = "README.md"
@@ -29,7 +29,7 @@ actix-web = "1.0"
 base64 = { version = "0.10", optional = true }
 failure = "0.1"
 futures = "0.1"
-http-signature-normalization = { version = "0.1.0", path = ".." }
+http-signature-normalization = { version = "0.2.0", path = ".." }
 sha2 = { version = "0.8", optional = true }
 sha3 = { version = "0.8", optional = true }
 
diff --git a/http-signature-normalization-http/Cargo.toml b/http-signature-normalization-http/Cargo.toml
index d568f42..c50857c 100644
--- a/http-signature-normalization-http/Cargo.toml
+++ b/http-signature-normalization-http/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "http-signature-normalization-http"
 description = "An HTTP Signatures library that leaves the signing to you"
-version = "0.2.0"
+version = "0.3.0"
 authors = ["asonix <asonix@asonix.dog>"]
 license-file = "../LICENSE"
 readme = "../README.md"
@@ -13,4 +13,4 @@ edition = "2018"
 
 [dependencies]
 http = "0.2"
-http-signature-normalization = { version = "0.1.0", path = ".." }
+http-signature-normalization = { version = "0.2.0", path = ".." }
diff --git a/http-signature-normalization-reqwest/Cargo.toml b/http-signature-normalization-reqwest/Cargo.toml
new file mode 100644
index 0000000..6723fd1
--- /dev/null
+++ b/http-signature-normalization-reqwest/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "http-signature-normalization-reqwest"
+version = "0.1.0"
+authors = ["asonix <asonix@asonix.dog>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+chrono = "0.4.10"
+http = "0.2.0"
+http-signature-normalization = { version = "0.2.0", path = ".." }
+reqwest = "0.10.1"
diff --git a/http-signature-normalization-reqwest/src/lib.rs b/http-signature-normalization-reqwest/src/lib.rs
new file mode 100644
index 0000000..3a9bea7
--- /dev/null
+++ b/http-signature-normalization-reqwest/src/lib.rs
@@ -0,0 +1,88 @@
+use chrono::Duration;
+use http_signature_normalization::create::Signed;
+use reqwest::{
+    header::{InvalidHeaderValue, ToStrError},
+    Request,
+};
+use std::fmt::Display;
+
+pub struct Config(http_signature_normalization::Config);
+
+pub trait Sign {
+    fn authorization_signature<F, E, K>(self, config: &Config, key_id: K, f: F) -> Result<Self, E>
+    where
+        Self: Sized,
+        F: FnOnce(&str) -> Result<String, E>,
+        E: From<ToStrError> + From<InvalidHeaderValue>,
+        K: Display;
+
+    fn signature<F, E, K>(self, config: &Config, key_id: K, f: F) -> Result<Self, E>
+    where
+        Self: Sized,
+        F: FnOnce(&str) -> Result<String, E>,
+        E: From<ToStrError> + From<InvalidHeaderValue>,
+        K: Display;
+}
+
+impl Config {
+    pub fn new(expires_after: Duration) -> Self {
+        Config(http_signature_normalization::Config { expires_after })
+    }
+}
+
+impl Sign for Request {
+    fn authorization_signature<F, E, K>(
+        mut self,
+        config: &Config,
+        key_id: K,
+        f: F,
+    ) -> Result<Self, E>
+    where
+        F: FnOnce(&str) -> Result<String, E>,
+        E: From<ToStrError> + From<InvalidHeaderValue>,
+        K: Display,
+    {
+        let signed = prepare(&self, config, key_id, f)?;
+
+        let auth_header = signed.authorization_header();
+        self.headers_mut()
+            .insert("Authorization", auth_header.parse()?);
+        Ok(self)
+    }
+
+    fn signature<F, E, K>(mut self, config: &Config, key_id: K, f: F) -> Result<Self, E>
+    where
+        F: FnOnce(&str) -> Result<String, E>,
+        E: From<ToStrError> + From<InvalidHeaderValue>,
+        K: Display,
+    {
+        let signed = prepare(&self, config, key_id, f)?;
+
+        let sig_header = signed.signature_header();
+        self.headers_mut().insert("Signature", sig_header.parse()?);
+        Ok(self)
+    }
+}
+
+fn prepare<F, E, K>(req: &Request, config: &Config, key_id: K, f: F) -> Result<Signed, E>
+where
+    F: FnOnce(&str) -> Result<String, E>,
+    E: From<ToStrError> + From<InvalidHeaderValue>,
+    K: Display,
+{
+    let mut bt = std::collections::BTreeMap::new();
+    for (k, v) in req.headers().iter() {
+        bt.insert(k.as_str().to_owned(), v.to_str()?.to_owned());
+    }
+    let path_and_query = if let Some(query) = req.url().query() {
+        format!("{}?{}", req.url().path(), query)
+    } else {
+        req.url().path().to_string()
+    };
+    let unsigned = config
+        .0
+        .begin_sign(req.method().as_str(), &path_and_query, bt);
+
+    let signed = unsigned.sign(key_id.to_string(), f)?;
+    Ok(signed)
+}
diff --git a/http-signature-normalization-warp/Cargo.toml b/http-signature-normalization-warp/Cargo.toml
index 25aa401..c71762d 100644
--- a/http-signature-normalization-warp/Cargo.toml
+++ b/http-signature-normalization-warp/Cargo.toml
@@ -15,7 +15,7 @@ base64 = { version = "0.11.0", optional = true }
 bytes = "0.5.3"
 futures = "0.3.1"
 http = "0.2.0"
-http-signature-normalization-http = { version = "0.2.0", path = "../http-signature-normalization-http" }
+http-signature-normalization-http = { version = "0.3.0", path = "../http-signature-normalization-http" }
 serde = { version = "1.0.104", features = ["derive"], optional = true }
 serde_json = { version = "1.0.44", optional = true }
 serde_urlencoded = { version = "0.6.1", optional = true }
diff --git a/http-signature-normalization-warp/src/digest/mod.rs b/http-signature-normalization-warp/src/digest/mod.rs
index 155f4ab..c84615a 100644
--- a/http-signature-normalization-warp/src/digest/mod.rs
+++ b/http-signature-normalization-warp/src/digest/mod.rs
@@ -38,9 +38,8 @@ pub struct ParseBodyError;
 pub fn verify_bytes(
     verifier: impl DigestVerify + Clone + Send,
 ) -> impl Filter<Extract = (Bytes,), Error = Rejection> + Clone {
-    parse_digest_header()
-        .and(body::bytes())
-        .and_then(move |parts: Vec<DigestPart>, bytes: Bytes| {
+    parse_digest_header().and(body::bytes()).and_then(
+        move |parts: Vec<DigestPart>, bytes: Bytes| {
             let mut verifier = verifier.clone();
             async move {
                 if verifier.verify(&parts, &bytes) {
@@ -49,11 +48,12 @@ pub fn verify_bytes(
                     Err(warp::reject::custom(VerifyError))
                 }
             }
-        })
+        },
+    )
 }
 
 pub fn verify_json<T>(
-    verifier: impl DigestVerify + Clone + Send
+    verifier: impl DigestVerify + Clone + Send,
 ) -> impl Filter<Extract = (T,), Error = Rejection> + Clone
 where
     T: serde::de::DeserializeOwned,
@@ -117,7 +117,9 @@ where
     V: DigestVerify,
 {
     fn verify(&mut self, parts: &[DigestPart], payload: &[u8]) -> bool {
-        self.0.verify(parts, payload) || self.1.verify(parts, payload) || self.2.verify(parts, payload)
+        self.0.verify(parts, payload)
+            || self.1.verify(parts, payload)
+            || self.2.verify(parts, payload)
     }
 }
 
@@ -129,7 +131,10 @@ where
     W: DigestVerify,
 {
     fn verify(&mut self, parts: &[DigestPart], payload: &[u8]) -> bool {
-        self.0.verify(parts, payload) || self.1.verify(parts, payload) || self.2.verify(parts, payload) || self.3.verify(parts, payload)
+        self.0.verify(parts, payload)
+            || self.1.verify(parts, payload)
+            || self.2.verify(parts, payload)
+            || self.3.verify(parts, payload)
     }
 }
 
diff --git a/src/create.rs b/src/create.rs
index 0ab8edf..82f48d8 100644
--- a/src/create.rs
+++ b/src/create.rs
@@ -35,14 +35,14 @@ impl Signed {
     ///
     /// Done manually, it would look like `format!("Signature: {}", signed.signature_header())`
     pub fn signature_header(self) -> String {
-        format!("Signature {}", self.into_header())
+        self.into_header()
     }
 
     /// Turn the Signed type into a String that can be used as the Authorization Header
     ///
     /// Done manually, it would look like `format!("Authorization: {}", signed.authorization_header())`
     pub fn authorization_header(self) -> String {
-        self.into_header()
+        format!("Signature {}", self.into_header())
     }
 
     fn into_header(self) -> String {