diff --git a/lib/gds_api/support_api.rb b/lib/gds_api/support_api.rb
index 2b879076..95ab0f6f 100644
--- a/lib/gds_api/support_api.rb
+++ b/lib/gds_api/support_api.rb
@@ -31,9 +31,8 @@ def create_global_export_request(request_details)
   # SupportApi.raise_support_ticket(
   #   subject: "Feedback for app",
   #   tags: ["app_name"]
-  #   body: {
-  #     "User agent": "Safari",
-  #     "Details": "Ticket details go here.",
+  #   user_agent: "Safari",
+  #   description: "Ticket details go here.",
   #   }
   # )
   def raise_support_ticket(params)
diff --git a/test/pacts/support_api_pact_test.rb b/test/pacts/support_api_pact_test.rb
new file mode 100644
index 00000000..1983d295
--- /dev/null
+++ b/test/pacts/support_api_pact_test.rb
@@ -0,0 +1,69 @@
+require "test_helper"
+require "gds_api/support_api"
+
+describe "GdsApi::SupportApi pact tests" do
+  include PactTest
+
+  describe "#raise_support_ticket" do
+    let(:api_client) { GdsApi::SupportApi.new(support_api_host) }
+
+    it "responds with a 201 Success if the parameters provided are valid" do
+      support_api
+        .given("the parameters are valid")
+        .upon_receiving("a raise ticket request")
+        .with(
+          method: :post,
+          path: "/support-tickets",
+          headers: GdsApi::JsonClient.default_request_with_json_body_headers,
+          body: {
+            subject: "Feedback for app",
+            tags: %w[app_name],
+            user_agent: "Safari",
+            description: "There is something wrong with this page.",
+          },
+        )
+        .will_respond_with(
+          status: 201,
+          body: {
+            status: "success",
+          },
+          headers: {
+            "Content-Type" => "application/json; charset=utf-8",
+          },
+        )
+
+      api_client.raise_support_ticket(
+        subject: "Feedback for app",
+        tags: %w[app_name],
+        user_agent: "Safari",
+        description: "There is something wrong with this page.",
+      )
+    end
+
+    it "responds with 422 Error when required parameters are not provided" do
+      support_api
+      .given("the required parameters are not provided")
+      .upon_receiving("a raise ticket request")
+      .with(
+        method: :post,
+        path: "/support-tickets",
+        headers: GdsApi::JsonClient.default_request_with_json_body_headers,
+        body: {
+          subject: "Ticket without body",
+        },
+      )
+      .will_respond_with(
+        status: 422,
+        body: {
+          status: "error",
+        },
+      )
+
+      begin
+        api_client.raise_support_ticket(subject: "Ticket without body")
+      rescue GdsApi::HTTPUnprocessableEntity
+        # expected outcome
+      end
+    end
+  end
+end
diff --git a/test/support_api_test.rb b/test/support_api_test.rb
index 876858ab..6452b8ca 100644
--- a/test/support_api_test.rb
+++ b/test/support_api_test.rb
@@ -243,7 +243,12 @@
 
   describe "POST /support-tickets" do
     it "makes a valid POST request to the support API" do
-      params = { subject: "Feedback for app", tags: "app_name", details: "Ticket details go here." }
+      params = {
+        subject: "Feedback for app",
+        tags: "app_name",
+        user_agent: "Safari",
+        description: "There is something wrong with this page.",
+      }
       stub_post = stub_support_api_valid_raise_support_ticket(params)
 
       @api.raise_support_ticket(params)