diff --git a/Cargo.lock b/Cargo.lock
index f0a77acd9c4..1794e723c5f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -29,6 +29,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "base64"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -53,6 +59,12 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.15.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ff69b9dd49fd426c69a0db9fc04dd934cdb6645ff000864d98f7e2af8830eaa"
+
 [[package]]
 name = "bytes"
 version = "1.6.0"
@@ -65,6 +77,15 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53fe5e26ff1b7aef8bca9c6080520cfb8d9333c7568e1829cef191a9723e5504"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "crypto-common"
 version = "0.1.6"
@@ -77,9 +98,9 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.10.5"
+version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adfbc57365a37acbd2ebf2b64d7e69bb766e2fea813521ed536f5d0520dcf86c"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer",
  "crypto-common",
@@ -102,6 +123,43 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "190092ea657667030ac6a35e305e62fc4dd69fd98ac98631e5d3a2b1575a12b5"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "libc",
+ "wasi",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "headers"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "322106e6bd0cba2d5ead589ddb8150a13d7c4217cf80d7c4f682ca994ccc6aa9"
+dependencies = [
+ "base64",
+ "bytes",
+ "headers-core",
+ "http",
+ "httpdate",
+ "mime",
+ "sha1",
+]
+
+[[package]]
+name = "headers-core"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54b4a22553d4242c49fddb9ba998a99962b5cc6f22cb5a3482bec22522403ce4"
+dependencies = [
+ "http",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -125,6 +183,12 @@ dependencies = [
  "itoa",
 ]
 
+[[package]]
+name = "httpdate"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
+
 [[package]]
 name = "indoc"
 version = "2.0.4"
@@ -137,6 +201,15 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4217ad341ebadf8d8e724e264f13e593e0648f5b3e94b3896a5df283be015ecc"
 
+[[package]]
+name = "js-sys"
+version = "0.3.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29c15563dc2726973df627357ce0c9ddddbea194836909d655df6a75d2cf296d"
+dependencies = [
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -145,9 +218,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.135"
+version = "0.2.153"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68783febc7782c6c5cb401fbda4de5a9898be1762314da0bb2c10ced61f18b0c"
+checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
 
 [[package]]
 name = "lock_api"
@@ -180,6 +253,12 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "mime"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
+
 [[package]]
 name = "once_cell"
 version = "1.15.0"
@@ -215,6 +294,12 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7170ef9988bc169ba16dd36a7fa041e5c4cbeb6a35b76d4c03daded371eae7c0"
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.76"
@@ -318,6 +403,36 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.16"
@@ -399,6 +514,28 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
+[[package]]
+name = "sha2"
+version = "0.10.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.10.0"
@@ -427,18 +564,23 @@ name = "synapse"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "base64",
  "blake2",
  "bytes",
+ "headers",
  "hex",
  "http",
  "lazy_static",
  "log",
+ "mime",
  "pyo3",
  "pyo3-log",
  "pythonize",
  "regex",
  "serde",
  "serde_json",
+ "sha2",
+ "ulid",
 ]
 
 [[package]]
@@ -453,6 +595,17 @@ version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
 
+[[package]]
+name = "ulid"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34778c17965aa2a08913b57e1f34db9b4a63f5de31768b55bf20d2795f921259"
+dependencies = [
+ "getrandom",
+ "rand",
+ "web-time",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.5"
@@ -471,6 +624,76 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4be2531df63900aeb2bca0daaaddec08491ee64ceecbee5076636a3b026795a8"
+dependencies = [
+ "cfg-if",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "614d787b966d3989fa7bb98a654e369c762374fd3213d212cfc0251257e747da"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1f8823de937b71b9460c0c34e25f3da88250760bec0ebac694b49997550d726"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e94f17b526d0a461a191c78ea52bbce64071ed5c04c9ffe424dcb38f74171bb7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af190c94f2773fdb3729c55b007a722abb5384da03bc0986df4c289bf5567e96"
+
+[[package]]
+name = "web-time"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a6580f308b1fad9207618087a65c04e7a10bc77e02c8e84e9b00dd4b12fa0bb"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.36.1"
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 64ae3b7657a..e6e96482805 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -23,10 +23,13 @@ name = "synapse.synapse_rust"
 
 [dependencies]
 anyhow = "1.0.63"
+base64 = "0.21.7"
 bytes = "1.6.0"
+headers = "0.4.0"
 http = "1.1.0"
 lazy_static = "1.4.0"
 log = "0.4.17"
+mime = "0.3.17"
 pyo3 = { version = "0.20.0", features = [
     "macros",
     "anyhow",
@@ -36,8 +39,10 @@ pyo3 = { version = "0.20.0", features = [
 pyo3-log = "0.9.0"
 pythonize = "0.20.0"
 regex = "1.6.0"
+sha2 = "0.10.8"
 serde = { version = "1.0.144", features = ["derive"] }
 serde_json = "1.0.85"
+ulid = "1.1.2"
 
 [features]
 extension-module = ["pyo3/extension-module"]
diff --git a/rust/src/rendezvous/mod.rs b/rust/src/rendezvous/mod.rs
index 40f7e0196e7..123b82334d9 100644
--- a/rust/src/rendezvous/mod.rs
+++ b/rust/src/rendezvous/mod.rs
@@ -10,33 +10,137 @@
  *
  * See the GNU Affero General Public License for more details:
  * <https://www.gnu.org/licenses/agpl-3.0.html>.
- *
- * Originally licensed under the Apache License, Version 2.0:
- * <http://www.apache.org/licenses/LICENSE-2.0>.
- *
- * [This file includes modifications made by New Vector Limited]
- *
  */
 
-use log::info;
-use pyo3::{pyclass, pymethods, types::PyModule, PyResult, Python};
+use std::{collections::HashMap, time::Duration};
+
+use bytes::Bytes;
+use headers::{ContentLength, ContentType, HeaderMapExt};
+use http::{Response, StatusCode};
+use pyo3::{pyclass, pymethods, types::PyModule, PyAny, PyResult, Python};
+use ulid::Ulid;
+
+use crate::{
+    errors::{NotFoundError, SynapseError},
+    http::{http_request_from_twisted, http_response_to_twisted},
+};
 
+mod session;
+
+use self::session::Session;
+
+// TODO: handle eviction
+#[derive(Default)]
 #[pyclass]
-struct RendezVous {}
+struct RendezVous {
+    sessions: HashMap<Ulid, Session>,
+}
 
 #[pymethods]
 impl RendezVous {
     #[new]
     fn new() -> Self {
-        RendezVous {}
+        RendezVous::default()
     }
 
-    fn store_session(&mut self, content_type: String, body: Vec<u8>) -> PyResult<()> {
-        info!(
-            "Received new rendezvous message: content_type: {}, len(body): {}",
-            content_type,
-            body.len()
-        );
+    fn handle_post(&mut self, twisted_request: &PyAny) -> PyResult<()> {
+        let request = http_request_from_twisted(twisted_request)?;
+
+        let ContentLength(content_length) = request.headers().typed_get().ok_or_else(|| {
+            SynapseError::new(StatusCode::BAD_REQUEST, "Missing Content-Length header")
+        })?;
+
+        if content_length > 1024 * 100 {
+            return Err(SynapseError::new(
+                StatusCode::BAD_REQUEST,
+                "Content-Length too large",
+            ));
+        }
+
+        let content_type: ContentType = request.headers().typed_get().ok_or_else(|| {
+            SynapseError::new(StatusCode::BAD_REQUEST, "Missing Content-Type header")
+        })?;
+
+        let id = Ulid::new();
+
+        // XXX: this is lazy
+        let source_uri = request.uri();
+        let uri = format!("{source_uri}/{id}");
+
+        let body = request.into_body();
+
+        let session = Session::new(body, content_type.into(), Duration::from_secs(5 * 60));
+
+        let response = serde_json::json!({
+            "uri": uri,
+        })
+        .to_string();
+
+        let mut response = Response::new(response.as_bytes());
+        *response.status_mut() = StatusCode::CREATED;
+        response.headers_mut().typed_insert(ContentType::json());
+        response.headers_mut().typed_insert(session.etag());
+        response.headers_mut().typed_insert(session.expires());
+        response.headers_mut().typed_insert(session.last_modified());
+        http_response_to_twisted(twisted_request, response)?;
+
+        self.sessions.insert(id, session);
+
+        Ok(())
+    }
+
+    fn handle_get(&mut self, twisted_request: &PyAny, id: &str) -> PyResult<()> {
+        let _request = http_request_from_twisted(twisted_request)?;
+
+        // TODO: handle If-None-Match
+
+        let id: Ulid = id.parse().map_err(|_| NotFoundError::new())?;
+        let session = self.sessions.get(&id).ok_or_else(NotFoundError::new)?;
+
+        let mut response = Response::new(session.data());
+        *response.status_mut() = StatusCode::OK;
+        response.headers_mut().typed_insert(session.content_type());
+        response.headers_mut().typed_insert(session.etag());
+        response.headers_mut().typed_insert(session.expires());
+        response.headers_mut().typed_insert(session.last_modified());
+        http_response_to_twisted(twisted_request, response)?;
+
+        Ok(())
+    }
+
+    fn handle_put(&mut self, twisted_request: &PyAny, id: &str) -> PyResult<()> {
+        let request = http_request_from_twisted(twisted_request)?;
+
+        // TODO: handle If-Match
+
+        let content_type: ContentType = request.headers().typed_get().ok_or_else(|| {
+            SynapseError::new(StatusCode::BAD_REQUEST, "Missing Content-Type header")
+        })?;
+        let data = request.into_body();
+
+        let id: Ulid = id.parse().map_err(|_| NotFoundError::new())?;
+        let session = self.sessions.get_mut(&id).ok_or_else(NotFoundError::new)?;
+        session.update(data, content_type.into());
+
+        let mut response = Response::new(Bytes::new());
+        *response.status_mut() = StatusCode::ACCEPTED;
+        response.headers_mut().typed_insert(session.etag());
+        response.headers_mut().typed_insert(session.expires());
+        response.headers_mut().typed_insert(session.last_modified());
+        http_response_to_twisted(twisted_request, response)?;
+
+        Ok(())
+    }
+
+    fn handle_delete(&mut self, twisted_request: &PyAny, id: &str) -> PyResult<()> {
+        let _request = http_request_from_twisted(twisted_request)?;
+
+        let id: Ulid = id.parse().map_err(|_| NotFoundError::new())?;
+        let _session = self.sessions.remove(&id).ok_or_else(NotFoundError::new)?;
+
+        let mut response = Response::new(Bytes::new());
+        *response.status_mut() = StatusCode::NO_CONTENT;
+        http_response_to_twisted(twisted_request, response)?;
 
         Ok(())
     }
diff --git a/rust/src/rendezvous/session.rs b/rust/src/rendezvous/session.rs
new file mode 100644
index 00000000000..7f80fd04650
--- /dev/null
+++ b/rust/src/rendezvous/session.rs
@@ -0,0 +1,74 @@
+/*
+ * This file is licensed under the Affero General Public License (AGPL) version 3.
+ *
+ * Copyright (C) 2024 New Vector, Ltd
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * See the GNU Affero General Public License for more details:
+ * <https://www.gnu.org/licenses/agpl-3.0.html>.
+ */
+
+use std::time::{Duration, SystemTime};
+
+use base64::{engine::general_purpose::URL_SAFE_NO_PAD, Engine as _};
+use bytes::Bytes;
+use headers::{ContentType, ETag, Expires, LastModified};
+use mime::Mime;
+use sha2::{Digest, Sha256};
+
+pub struct Session {
+    hash: [u8; 32],
+    data: Bytes,
+    content_type: Mime,
+    last_modified: SystemTime,
+    expires: SystemTime,
+}
+
+impl Session {
+    pub fn new(data: Bytes, content_type: Mime, ttl: Duration) -> Self {
+        let hash = Sha256::digest(&data).into();
+        let now = SystemTime::now();
+        Self {
+            hash,
+            data,
+            content_type,
+            expires: now + ttl,
+            last_modified: now,
+        }
+    }
+
+    pub fn update(&mut self, data: Bytes, content_type: Mime) {
+        self.hash = Sha256::digest(&data).into();
+        self.data = data;
+        self.content_type = content_type;
+        self.last_modified = SystemTime::now();
+    }
+
+    pub fn content_type(&self) -> ContentType {
+        self.content_type.clone().into()
+    }
+
+    pub fn etag(&self) -> ETag {
+        let encoded = URL_SAFE_NO_PAD.encode(self.hash);
+        // SAFETY: Base64 encoding is URL-safe, so ETag-safe
+        format!("\"{encoded}\"")
+            .parse()
+            .expect("base64-encoded hash should be URL-safe")
+    }
+
+    pub fn data(&self) -> Bytes {
+        self.data.clone()
+    }
+
+    pub fn last_modified(&self) -> LastModified {
+        self.last_modified.into()
+    }
+
+    pub fn expires(&self) -> Expires {
+        self.expires.into()
+    }
+}
diff --git a/synapse/rest/client/rendezvous.py b/synapse/rest/client/rendezvous.py
index 9ddcb076902..0848dadc851 100644
--- a/synapse/rest/client/rendezvous.py
+++ b/synapse/rest/client/rendezvous.py
@@ -84,50 +84,40 @@ class MSC4108RendezvousServlet(RestServlet):
         "/org.matrix.msc4108/rendezvous$", releases=[], v1=False, unstable=True
     )
 
-    def __init__(self, hs: "HomeServer") -> None:
+    def __init__(self, store: RendezVous) -> None:
         super().__init__()
+        self._store = store
 
-        self.max_upload_size = 100_000
-        self._store = RendezVous()
+    def on_POST(self, request: SynapseRequest) -> None:
+        self._store.handle_post(request)
 
-    async def on_POST(self, request: SynapseRequest) -> None:
-        content_type = request.getHeader("Content-Type")
-        if content_type is None:
-            raise SynapseError(msg="Request must specify a Content-Type", code=400,
-                               errcode=Codes.MISSING_PARAM)
-
-        raw_content_length = request.getHeader("Content-Length")
-        if raw_content_length is None:
-            raise SynapseError(msg="Request must specify a Content-Length", code=400,
-                               errcode=Codes.MISSING_PARAM)
-        try:
-            content_length = int(raw_content_length)
-        except ValueError:
-            raise SynapseError(msg="Content-Length value is invalid", code=400)
-        if content_length > self.max_upload_size:
-            raise SynapseError(
-                msg="Upload request body is too large",
-                code=413,
-                errcode=Codes.TOO_LARGE,
-            )
-
-        body = request.content.read(content_length + 1)
-        if len(body) != content_length:
-            raise SynapseError(
-                msg="Request body does not match Content-Length",
-                code=400,
-                errcode=Codes.INVALID_PARAM
-            )
-
-        self._store.handle_new(content_type, body)
-
-        respond_with_json(request, 200, {"success": True})
+class MSC4108RendezvousSessionServlet(RestServlet):
+    PATTERNS = client_patterns(
+        "/org.matrix.msc4108/rendezvous/(?P<session_id>[^/]+)$",
+        releases=[],
+        v1=False,
+        unstable=True,
+    )
+
+    def __init__(self, store: RendezVous) -> None:
+        super().__init__()
+        self._store = store
+
+    def on_GET(self, request: SynapseRequest, session_id: str) -> None:
+        self._store.handle_get(request, session_id)
+
+    def on_PUT(self, request: SynapseRequest, session_id: str) -> None:
+        self._store.handle_put(request, session_id)
 
+    def on_DELETE(self, request: SynapseRequest, session_id: str) -> None:
+        self._store.handle_delete(request, session_id)
 
 
 def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
     if hs.config.experimental.msc3886_endpoint is not None:
         MSC3886RendezvousServlet(hs).register(http_server)
 
-    # TODO: gate this behind a feature flag
-    MSC4108RendezvousServlet(hs).register(http_server)
+    # TODO: gate this behind a feature flag and store the rendezvous object in the HS
+    rendezvous = RendezVous()
+    MSC4108RendezvousServlet(rendezvous).register(http_server)
+    MSC4108RendezvousSessionServlet(rendezvous).register(http_server)
diff --git a/synapse/synapse_rust/rendezvous.pyi b/synapse/synapse_rust/rendezvous.pyi
index e4c1d780ed1..7b46f24b6f6 100644
--- a/synapse/synapse_rust/rendezvous.pyi
+++ b/synapse/synapse_rust/rendezvous.pyi
@@ -10,6 +10,11 @@
 # See the GNU Affero General Public License for more details:
 # <https://www.gnu.org/licenses/agpl-3.0.html>.
 
+from twisted.web.iweb import IRequest
+
 class RendezVous:
     def __init__(self): ...
-    def store_session(self, content_type: str, body: bytes) -> str: ...
+    def handle_post(self, request: IRequest): ...
+    def handle_get(self, request: IRequest, session_id: str): ...
+    def handle_put(self, request: IRequest, session_id: str): ...
+    def handle_delete(self, request: IRequest, session_id: str): ...