diff --git a/src/PolygonIO.jl b/src/PolygonIO.jl
index 62cf805..dc66315 100644
--- a/src/PolygonIO.jl
+++ b/src/PolygonIO.jl
@@ -17,6 +17,6 @@ include("streaming_socket.jl")
 
 
 ######### Global export of user API  ################
-export tickers, PolyOpts
+export PolyOpts, tickers, ticker_types
 
 end
diff --git a/src/reference_api.jl b/src/reference_api.jl
index 98b6666..ad26d13 100644
--- a/src/reference_api.jl
+++ b/src/reference_api.jl
@@ -28,11 +28,21 @@ function tickers(opts::PolyOpts,
         return request_json.results |> opts.sink
     end
 
-
 end
 
 ############ Ticker Types  ####################
+"""
+"""
+function ticker_types(opts::PolyOpts)
+    params = Dict("apiKey" => opts.api_key)
+    request_json = HTTP.get(ticker_types_base_url, query=params).body |> JSON3.read
 
+    if opts.sink ≠ nothing
+        @warn "This endpoint does not support a tabular interface. Returning JSON instead of $(opts.sink)."
+    end
+
+    return request_json.results
+end
 
 ############ Tickers Details ####################
 
diff --git a/src/utils.jl b/src/utils.jl
index 94dbf75..bf70c1e 100644
--- a/src/utils.jl
+++ b/src/utils.jl
@@ -1 +1,3 @@
-tickers_base_url = "https://api.polygon.io/v3/reference/tickers"
\ No newline at end of file
+tickers_base_url = "https://api.polygon.io/v3/reference/tickers"
+
+ticker_types_base_url = "https://api.polygon.io/v2/reference/types"
\ No newline at end of file
diff --git a/test/runtests.jl b/test/runtests.jl
index 4f8f91a..85a9236 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,3 +1,4 @@
+using Test: length
 using ConfigEnv
 using PolygonIO
 using TypedTables
@@ -7,9 +8,17 @@ using Test
 dotenv()
 
 const API_KEY = ENV["API_KEY"]
+const tabular_opts = PolyOpts(API_KEY, Table)
+const regular_ops = PolyOpts(API_KEY, nothing)
+
 
 @testset "PolygonIO.jl" begin
-    # Write your tests here.
-    @test tickers(PolyOpts(API_KEY, Table), "bitcoin") |> size == (10, )
-    @test tickers(PolyOpts(API_KEY, nothing), "bitcoin") |> size == (10, )
+    # tickets test
+    @test tickers(tabular_opts, "bitcoin") |> size == (10, )
+    @test tickers(regular_ops, "bitcoin") |> size == (10, )
+
+    # ticker_types test
+    @test ticker_types(tabular_opts) |> length == 2
+    @test ticker_types(regular_ops) |> length == 2
+    @test_logs (:warn, "This endpoint does not support a tabular interface. Returning JSON instead of $(tabular_opts.sink).") ticker_types(tabular_opts)
 end