diff --git a/Cargo.lock b/Cargo.lock
index 3a1ac833c..1102873a8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -34,6 +34,15 @@ name = "arc-swap"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "assert-json-diff"
+version = "1.0.1"
+source = "git+https://github.com/qdequele/assert-json-diff#0340008d8fc183a490e3ccf81f86a2355a7474e7"
+dependencies = [
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "assert_matches"
 version = "1.3.0"
@@ -1011,12 +1020,12 @@ dependencies = [
 name = "meilisearch-http"
 version = "0.8.4"
 dependencies = [
+ "assert-json-diff 1.0.1 (git+https://github.com/qdequele/assert-json-diff)",
  "async-std 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bincode 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-channel 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "fst 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "heed 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "http-service 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2353,6 +2362,7 @@ dependencies = [
 "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 "checksum anyhow 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "9267dff192e68f3399525901e709a48c1d3982c9c072fa32f2127a0cb0babf14"
 "checksum arc-swap 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "f1a1eca3195b729bbd64e292ef2f5fff6b1c28504fed762ce2b1013dde4d8e92"
+"checksum assert-json-diff 1.0.1 (git+https://github.com/qdequele/assert-json-diff)" = "<none>"
 "checksum assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7deb0a829ca7bcfaf5da70b073a8d128619259a7be8216a355e23f00763059e5"
 "checksum async-attributes 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "efd3d156917d94862e779f356c5acae312b08fd3121e792c857d7928c8088423"
 "checksum async-std 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0bf6039b315300e057d198b9d3ab92ee029e31c759b7f1afae538145e6f18a3e"
diff --git a/meilisearch-http/Cargo.toml b/meilisearch-http/Cargo.toml
index 64dd2ba17..bb6a7a00b 100644
--- a/meilisearch-http/Cargo.toml
+++ b/meilisearch-http/Cargo.toml
@@ -45,7 +45,10 @@ whoami = "0.6"
 http-service-mock = "0.4.0"
 http-service = "0.4.0"
 tempdir = "0.3.7"
-assert-json-diff = "1.0.1"
+
+[dev-dependencies.assert-json-diff]
+git = "https://github.com/qdequele/assert-json-diff"
+branch = "master"
 
 [build-dependencies]
 vergen = "3.0.4"
diff --git a/meilisearch-http/tests/settings.rs b/meilisearch-http/tests/settings.rs
new file mode 100644
index 000000000..eab43741f
--- /dev/null
+++ b/meilisearch-http/tests/settings.rs
@@ -0,0 +1,93 @@
+use std::time::Duration;
+use std::convert::Into;
+
+use async_std::task::{block_on, sleep};
+use async_std::io::prelude::*;
+use http_service::Body;
+use serde_json::json;
+use serde_json::Value;
+use assert_json_diff::assert_json_eq;
+
+mod common;
+
+#[test]
+fn write_all_and_retreive() {
+    let mut server = common::setup_server().unwrap();
+
+    // 1 - Create the index
+
+    let body = json!({
+        "uid": "movies",
+    }).to_string().into_bytes();
+
+    let req = http::Request::post("/indexes").body(Body::from(body)).unwrap();
+    let res = server.simulate(req).unwrap();
+    assert_eq!(res.status(), 201);
+
+    // 2 - Send the settings
+
+    let json = json!({
+        "ranking_rules": [
+            "_typo",
+            "_words",
+            "_proximity",
+            "_attribute",
+            "_words_position",
+            "_exact",
+            "dsc(release_date)",
+            "dsc(rank)",
+        ],
+        "ranking_distinct": "movie_id",
+        "attribute_identifier": "uid",
+        "attributes_searchable": [
+            "uid",
+            "movie_id",
+            "title",
+            "description",
+            "poster",
+            "release_date",
+            "rank",
+        ],
+        "attributes_displayed": [
+            "title",
+            "description",
+            "poster",
+            "release_date",
+            "rank",
+        ],
+        "attributes_ranked": [
+            "release_date",
+            "rank",
+        ],
+        "stop_words": [
+            "the",
+            "a",
+            "an",
+        ],
+        "synonyms": {
+            "wolverine": ["xmen", "logan"],
+            "logan": ["wolverine"],
+        }
+    });
+
+    let body = json.to_string().into_bytes();
+
+    let req = http::Request::post("/indexes/movies/settings").body(Body::from(body)).unwrap();
+    let res = server.simulate(req).unwrap();
+    assert_eq!(res.status(), 202);
+
+    block_on(sleep(Duration::from_secs(1)));
+
+    let req = http::Request::get("/indexes/movies/settings").body(Body::empty()).unwrap();
+    let res = server.simulate(req).unwrap();
+    assert_eq!(res.status(), 200);
+
+    let mut buf = Vec::new();
+    block_on(res.into_body().read_to_end(&mut buf)).unwrap();
+    let res_value: Value = serde_json::from_slice(&buf).unwrap();
+
+    println!("json1: {:?}", json);
+    println!("json2: {:?}", res_value);
+
+    assert_json_eq!(json, res_value, ordered: false);
+}