diff --git a/Cargo.lock b/Cargo.lock
index 56d7dda..73f43bd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -118,6 +118,7 @@ dependencies = [
  "lazy-regex",
  "serde",
  "serde_json",
+ "sqlx",
  "thiserror 2.0.12",
  "time",
  "tracing",
@@ -566,6 +567,7 @@ name = "db"
 version = "0.1.0"
 dependencies = [
  "async-trait",
+ "atproto",
  "sqlx",
  "tokio",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 779f393..c029fb0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,6 +7,7 @@ async-trait = "0.1.88"
 atproto = { path = "./atproto" }
 serde = "1.0.219"
 serde_json = "1.0.140"
+sqlx = { version = "0.8.6", features = ["postgres", "runtime-tokio"] }
 thiserror = "2.0.12"
 tokio = { version = "1.45.0", features = ["macros", "rt-multi-thread"] }
 tracing = "0.1.41"
diff --git a/atproto/Cargo.toml b/atproto/Cargo.toml
index 033ff0d..3f5445b 100644
--- a/atproto/Cargo.toml
+++ b/atproto/Cargo.toml
@@ -8,7 +8,12 @@ atrium-api = { version = "0.25.3", default-features = false }
 lazy-regex = "3.4.1"
 serde.workspace = true
 serde_json.workspace = true
+sqlx = { workspace = true, optional = true }
 time = { version = "0.3.41", features = ["parsing", "formatting"] }
 tracing-subscriber.workspace = true
 tracing.workspace = true
 thiserror.workspace = true
+
+[features]
+default = []
+sqlx-support = ["dep:sqlx"]
diff --git a/atproto/src/lib.rs b/atproto/src/lib.rs
index c3b56ee..53c8d32 100644
--- a/atproto/src/lib.rs
+++ b/atproto/src/lib.rs
@@ -1,3 +1,5 @@
 pub mod lexicons;
 pub mod types;
 pub mod error;
+#[cfg(feature = "sqlx-support")]
+pub mod sqlx;
diff --git a/atproto/src/sqlx.rs b/atproto/src/sqlx.rs
new file mode 100644
index 0000000..0bb6683
--- /dev/null
+++ b/atproto/src/sqlx.rs
@@ -0,0 +1,38 @@
+use crate::types::{
+  Did,
+  Cid,
+  Uri,
+  Handle,
+  Datetime,
+};
+
+macro_rules! implement_sqlx_for_string_type {
+  ($name:ident) => {
+    impl sqlx::Type<sqlx::Postgres> for $name {
+      fn type_info() -> sqlx::postgres::PgTypeInfo {
+        <String as sqlx::Type<sqlx::Postgres>>::type_info()
+      }
+    }
+    impl<'q> sqlx::Encode<'q, sqlx::Postgres> for $name {
+      fn encode_by_ref(
+        &self, buf: &mut sqlx::postgres::PgArgumentBuffer
+      ) -> Result<sqlx::encode::IsNull, sqlx::error::BoxDynError> {
+        <String as sqlx::Encode<sqlx::Postgres>>::encode_by_ref(&self.to_string(), buf)
+      }
+    }
+    impl<'r> sqlx::Decode<'r, sqlx::Postgres> for $name {
+      fn decode(
+        value: sqlx::postgres::PgValueRef<'r>
+      ) -> Result<Self, sqlx::error::BoxDynError> {
+        let s = <String as sqlx::Decode<sqlx::Postgres>>::decode(value)?;
+        s.parse::<$name>().map_err(|e| Box::new(e) as sqlx::error::BoxDynError)
+      }
+    }
+  }
+}
+
+implement_sqlx_for_string_type!(Did);
+implement_sqlx_for_string_type!(Cid);
+implement_sqlx_for_string_type!(Uri);
+implement_sqlx_for_string_type!(Handle);
+implement_sqlx_for_string_type!(Datetime);
diff --git a/db/Cargo.toml b/db/Cargo.toml
index d555eb9..49924cf 100644
--- a/db/Cargo.toml
+++ b/db/Cargo.toml
@@ -5,5 +5,6 @@ edition = "2024"
 
 [dependencies]
 async-trait.workspace = true
+atproto = { workspace = true, features = ["sqlx-support"] }
 sqlx = { version = "0.8.6", features = ["postgres", "runtime-tokio"] }
 tokio.workspace = true