diff --git a/.clang-tidy b/.clang-tidy
index 479c65b..cdfa821 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -394,7 +394,7 @@
   - { key: readability-identifier-naming.ParameterCase, value: camelBack }
   - { key: readability-identifier-naming.NamespaceCase, value: lower_case }
   - { key: readability-identifier-naming.StructCase,    value: CamelCase  }
-  - { key: readability-identifier-naming.FunctionIgnoredRegexp,  value: (BMCWEB_LOG_DEBUG|BMCWEB_LOG_INFO|BMCWEB_LOG_WARNING|BMCWEB_LOG_ERROR|BMCWEB_LOG_CRITICAL) }
+  - { key: readability-identifier-naming.FunctionIgnoredRegexp,  value: (BMCWEB_LOG_DEBUG|BMCWEB_LOG_INFO|BMCWEB_LOG_WARNING|BMCWEB_LOG_ERROR|BMCWEB_LOG_CRITICAL|REDFISH_SUB_ROUTE) }
   - { key: readability-identifier-naming.StructIgnoredRegexp,  value: (BMCWEB_LOG_DEBUG|BMCWEB_LOG_INFO|BMCWEB_LOG_WARNING|BMCWEB_LOG_ERROR|BMCWEB_LOG_CRITICAL) }
   - { key: cppcoreguidelines-macro-usage.AllowedRegexp, value: DEBUG*|NLOHMANN_JSON_SERIALIZE_ENUM }
   - { key: cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams, value: true }
diff --git a/http/routing/baserule.hpp b/http/routing/baserule.hpp
index 356d345..a96abcb 100644
--- a/http/routing/baserule.hpp
+++ b/http/routing/baserule.hpp
@@ -15,6 +15,7 @@
 #include <limits>
 #include <memory>
 #include <string>
+#include <string_view>
 #include <utility>
 #include <vector>
 
@@ -23,7 +24,7 @@
 class BaseRule
 {
   public:
-    explicit BaseRule(const std::string& thisRule) : rule(thisRule) {}
+    explicit BaseRule(std::string_view thisRule) : rule(thisRule) {}
 
     virtual ~BaseRule() = default;
 
diff --git a/http/routing/trie.hpp b/http/routing/trie.hpp
index cf1a4537..bfa441a 100644
--- a/http/routing/trie.hpp
+++ b/http/routing/trie.hpp
@@ -308,7 +308,7 @@
         debugNodePrint(head(), 0U);
     }
 
-  private:
+  protected:
     const ContainedType& head() const
     {
         return nodes.front();
diff --git a/meson.build b/meson.build
index 186c92c..4549ab2 100644
--- a/meson.build
+++ b/meson.build
@@ -455,6 +455,7 @@
     'test/redfish-core/include/filter_expr_parser_test.cpp',
     'test/redfish-core/include/privileges_test.cpp',
     'test/redfish-core/include/redfish_aggregator_test.cpp',
+    'test/redfish-core/include/redfish_oem_routing_test.cpp',
     'test/redfish-core/include/redfish_test.cpp',
     'test/redfish-core/include/registries_test.cpp',
     'test/redfish-core/include/submit_test_event_test.cpp',
diff --git a/redfish-core/include/redfish.hpp b/redfish-core/include/redfish.hpp
index a9722d0..f92e4ef 100644
--- a/redfish-core/include/redfish.hpp
+++ b/redfish-core/include/redfish.hpp
@@ -3,6 +3,12 @@
 #pragma once
 
 #include "app.hpp"
+#include "async_resp.hpp"
+#include "http_request.hpp"
+#include "redfish_oem_routing.hpp"
+#include "verb.hpp"
+
+#include <memory>
 
 namespace redfish
 {
@@ -20,6 +26,40 @@
      * @param[in] app   Crow app on which Redfish will initialize
      */
     explicit RedfishService(App& app);
+
+    // Temporary change to make redfish instance available in other places
+    // like query delegation.
+    static RedfishService& getInstance(App& app)
+    {
+        static RedfishService redfish(app);
+        return redfish;
+    }
+
+    void validate()
+    {
+        oemRouter.validate();
+    }
+
+    template <StringLiteral Rule>
+    auto& newRoute(HttpVerb method)
+    {
+        return oemRouter.newRule<Rule>(method);
+    }
+
+    void handleSubRoute(
+        const crow::Request& req,
+        const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) const
+    {
+        oemRouter.handle(req, asyncResp);
+    }
+
+    OemRouter oemRouter;
 };
 
+template <StringLiteral Path>
+auto& REDFISH_SUB_ROUTE(RedfishService& service, HttpVerb method)
+{
+    return service.newRoute<Path>(method);
+}
+
 } // namespace redfish
diff --git a/redfish-core/include/redfish_oem_routing.hpp b/redfish-core/include/redfish_oem_routing.hpp
new file mode 100644
index 0000000..3133ccb
--- /dev/null
+++ b/redfish-core/include/redfish_oem_routing.hpp
@@ -0,0 +1,257 @@
+#pragma once
+
+#include "async_resp.hpp"
+#include "http_request.hpp"
+#include "http_response.hpp"
+#include "logging.hpp"
+#include "redfishoemrule.hpp"
+#include "sub_route_trie.hpp"
+#include "utility.hpp"
+#include "utils/query_param.hpp"
+#include "verb.hpp"
+
+#include <array>
+#include <cstddef>
+#include <cstdint>
+#include <functional>
+#include <memory>
+#include <optional>
+#include <stdexcept>
+#include <string>
+#include <string_view>
+#include <utility>
+#include <vector>
+
+namespace redfish
+{
+
+// Helper struct to allow parsing string literals at compile time until
+// std::string is supported in constexpr context.
+// NOLINTBEGIN
+template <size_t N>
+struct StringLiteral
+{
+    constexpr StringLiteral(const char (&str)[N])
+    {
+        std::copy_n(str, N, value);
+    }
+
+    constexpr operator std::string_view() const
+    {
+        return std::string_view(std::data(value), N - 1);
+    }
+
+    char value[N];
+};
+// Explicit deduction guide to prevent Clang warnings
+template <size_t N>
+StringLiteral(const char (&)[N]) -> StringLiteral<N>;
+// NOLINTEND
+
+class OemRouter
+{
+    using SubRouteTrie = crow::SubRouteTrie<crow::SubRouteNode>;
+
+  public:
+    OemRouter() = default;
+
+    template <StringLiteral URI>
+    constexpr auto& newRule(HttpVerb method)
+    {
+        auto& perMethod = perMethods[static_cast<size_t>(method)];
+        constexpr std::string_view rule = URI;
+        constexpr uint64_t numArgs = crow::utility::getParameterTag(rule);
+
+        if constexpr (numArgs == 0)
+        {
+            using RuleT = OemRule<>;
+            std::unique_ptr<RuleT> ruleObject = std::make_unique<RuleT>(rule);
+            RuleT* ptr = ruleObject.get();
+            perMethod.internalAdd(rule, std::move(ruleObject));
+            return *ptr;
+        }
+        else if constexpr (numArgs == 1)
+        {
+            using RuleT = OemRule<std::string>;
+            std::unique_ptr<RuleT> ruleObject = std::make_unique<RuleT>(rule);
+            RuleT* ptr = ruleObject.get();
+            perMethod.internalAdd(rule, std::move(ruleObject));
+            return *ptr;
+        }
+        else if constexpr (numArgs == 2)
+        {
+            using RuleT = OemRule<std::string, std::string>;
+            std::unique_ptr<RuleT> ruleObject = std::make_unique<RuleT>(rule);
+            RuleT* ptr = ruleObject.get();
+            perMethod.internalAdd(rule, std::move(ruleObject));
+            return *ptr;
+        }
+        else if constexpr (numArgs == 3)
+        {
+            using RuleT = OemRule<std::string, std::string, std::string>;
+            std::unique_ptr<RuleT> ruleObject = std::make_unique<RuleT>(rule);
+            RuleT* ptr = ruleObject.get();
+            perMethod.internalAdd(rule, std::move(ruleObject));
+            return *ptr;
+        }
+        else if constexpr (numArgs == 4)
+        {
+            using RuleT =
+                OemRule<std::string, std::string, std::string, std::string>;
+            std::unique_ptr<RuleT> ruleObject = std::make_unique<RuleT>(rule);
+            RuleT* ptr = ruleObject.get();
+            perMethod.internalAdd(rule, std::move(ruleObject));
+            return *ptr;
+        }
+        else
+        {
+            using RuleT = OemRule<std::string, std::string, std::string,
+                                  std::string, std::string>;
+            std::unique_ptr<RuleT> ruleObject = std::make_unique<RuleT>(rule);
+            RuleT* ptr = ruleObject.get();
+            perMethod.internalAdd(rule, std::move(ruleObject));
+            return *ptr;
+        }
+    }
+
+    struct PerMethod
+    {
+        std::vector<std::unique_ptr<OemBaseRule>> rules;
+        SubRouteTrie trie;
+        // rule index 0 has special meaning; preallocate it to avoid
+        // duplication.
+        PerMethod() : rules(1) {}
+
+        void internalAdd(std::string_view rule,
+                         std::unique_ptr<OemBaseRule>&& ruleObject)
+        {
+            rules.emplace_back(std::move(ruleObject));
+            trie.add(rule, static_cast<unsigned>(rules.size() - 1U));
+            // request to /resource/#/frag matches /resource#/frag
+            size_t hashPos = rule.find("/#/");
+            if (hashPos != std::string_view::npos)
+            {
+                std::string url(rule.substr(0, hashPos));
+                url += '#';
+                url += rule.substr(hashPos + 2); // Skip "/#" (2 characters)
+                std::string_view fragRule = url;
+                trie.add(fragRule, static_cast<unsigned>(rules.size() - 1U));
+            }
+        }
+    };
+
+    struct FindRoute
+    {
+        std::vector<OemBaseRule*> fragmentRules;
+        std::vector<std::string> params;
+    };
+
+    struct FindRouteResponse
+    {
+        FindRoute route;
+    };
+
+    static FindRoute findRouteByPerMethod(std::string_view url,
+                                          const PerMethod& perMethod)
+    {
+        FindRoute route;
+
+        SubRouteTrie::FindResult found = perMethod.trie.find(url);
+        route.params = std::move(found.params);
+        for (auto fragmentRuleIndex : found.fragmentRuleIndexes)
+        {
+            if (fragmentRuleIndex >= perMethod.rules.size())
+            {
+                throw std::runtime_error("Trie internal structure corrupted!");
+            }
+            route.fragmentRules.emplace_back(
+                (perMethod.rules[fragmentRuleIndex]).get());
+        }
+
+        return route;
+    }
+
+    FindRouteResponse findRoute(const crow::Request& req) const
+    {
+        FindRouteResponse findRoute;
+        std::optional<HttpVerb> verb = httpVerbFromBoost(req.method());
+        if (!verb)
+        {
+            return findRoute;
+        }
+        size_t reqMethodIndex = static_cast<size_t>(*verb);
+        if (reqMethodIndex >= perMethods.size())
+        {
+            return findRoute;
+        }
+
+        FindRoute route = findRouteByPerMethod(req.url().encoded_path(),
+                                               perMethods[reqMethodIndex]);
+        if (!route.fragmentRules.empty())
+        {
+            findRoute.route = route;
+        }
+        else
+        {
+            BMCWEB_LOG_DEBUG(
+                "No fragments for for url {}, method {}",
+                req.url().encoded_path(),
+                httpVerbToString(static_cast<HttpVerb>(reqMethodIndex)));
+        }
+
+        return findRoute;
+    }
+
+    void validate()
+    {
+        for (PerMethod& perMethod : perMethods)
+        {
+            perMethod.trie.validate();
+        }
+    }
+
+    void debugPrint()
+    {
+        for (size_t i = 0; i < perMethods.size(); i++)
+        {
+            BMCWEB_LOG_CRITICAL("{}",
+                                httpVerbToString(static_cast<HttpVerb>(i)));
+            perMethods[i].trie.debugPrint();
+        }
+    }
+
+    void handle(const crow::Request& req,
+                const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) const
+    {
+        BMCWEB_LOG_DEBUG("Checking OEM routes");
+        FindRouteResponse foundRoute = findRoute(req);
+        std::vector<OemBaseRule*> fragments =
+            std::move(foundRoute.route.fragmentRules);
+        std::vector<std::string> params = std::move(foundRoute.route.params);
+        if (!fragments.empty())
+        {
+            std::function<void(crow::Response&)> handler =
+                asyncResp->res.releaseCompleteRequestHandler();
+            auto multiResp = std::make_shared<bmcweb::AsyncResp>();
+            multiResp->res.setCompleteRequestHandler(std::move(handler));
+
+            // Copy so that they exists when completion handler is called.
+            auto uriFragments =
+                std::make_shared<std::vector<OemBaseRule*>>(fragments);
+            auto uriParams = std::make_shared<std::vector<std::string>>(params);
+
+            asyncResp->res.setCompleteRequestHandler(std::bind_front(
+                query_param::MultiAsyncResp::startMultiFragmentHandle,
+                std::make_shared<crow::Request>(req), multiResp, uriFragments,
+                uriParams));
+        }
+        else
+        {
+            BMCWEB_LOG_DEBUG("No OEM routes found");
+        }
+    }
+
+  private:
+    std::array<PerMethod, static_cast<size_t>(HttpVerb::Max)> perMethods;
+};
+} // namespace redfish
diff --git a/redfish-core/include/redfishoemrule.hpp b/redfish-core/include/redfishoemrule.hpp
new file mode 100644
index 0000000..018a18e
--- /dev/null
+++ b/redfish-core/include/redfishoemrule.hpp
@@ -0,0 +1,104 @@
+#pragma once
+#include "async_resp.hpp"
+#include "http_request.hpp"
+
+#include <nlohmann/json.hpp>
+
+#include <functional>
+#include <memory>
+#include <stdexcept>
+#include <string>
+#include <string_view>
+#include <type_traits>
+#include <vector>
+
+namespace redfish
+{
+class OemBaseRule
+{
+  public:
+    explicit OemBaseRule(std::string_view thisRule) : rule(thisRule) {}
+    virtual ~OemBaseRule() = default;
+    OemBaseRule(const OemBaseRule&) = delete;
+    OemBaseRule(OemBaseRule&&) = delete;
+    OemBaseRule& operator=(const OemBaseRule&) = delete;
+    OemBaseRule& operator=(const OemBaseRule&&) = delete;
+
+    virtual void handle(const crow::Request& /*req*/,
+                        const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
+                        const std::vector<std::string>& /*params*/) = 0;
+    std::string rule;
+};
+
+template <typename... Args>
+class OemRule : public OemBaseRule
+{
+  public:
+    using self_t = OemRule<Args...>;
+
+    explicit OemRule(std::string_view ruleIn) : OemBaseRule(ruleIn) {}
+
+    void validate()
+    {
+        if (!handler)
+        {
+            throw std::runtime_error(
+                "no OEM fragment handler for the rule {}" + rule);
+        }
+    }
+
+    template <typename Func>
+    void operator()(Func&& f)
+    {
+        static_assert(
+            std::is_invocable_v<Func, crow::Request,
+                                std::shared_ptr<bmcweb::AsyncResp>&, Args...>,
+            "Handler type is mismatched with URL parameters");
+        static_assert(
+            std::is_same_v<
+                void, std::invoke_result_t<Func, crow::Request,
+                                           std::shared_ptr<bmcweb::AsyncResp>&,
+                                           Args...>>,
+            "Handler function with response argument should have void return type");
+
+        handler = std::forward<Func>(f);
+    }
+
+    void handle(const crow::Request& req,
+                const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
+                const std::vector<std::string>& params) override
+    {
+        if constexpr (sizeof...(Args) == 0)
+        {
+            handler(req, asyncResp);
+        }
+        else if constexpr (sizeof...(Args) == 1)
+        {
+            handler(req, asyncResp, params[0]);
+        }
+        else if constexpr (sizeof...(Args) == 2)
+        {
+            handler(req, asyncResp, params[0], params[1]);
+        }
+        else if constexpr (sizeof...(Args) == 3)
+        {
+            handler(req, asyncResp, params[0], params[1], params[2]);
+        }
+        else if constexpr (sizeof...(Args) == 4)
+        {
+            handler(req, asyncResp, params[0], params[1], params[2], params[3]);
+        }
+        else if constexpr (sizeof...(Args) == 5)
+        {
+            handler(req, asyncResp, params[0], params[1], params[2], params[3],
+                    params[4]);
+        }
+        static_assert(sizeof...(Args) <= 5, "More args than are supported");
+    }
+
+  private:
+    std::function<void(const crow::Request&,
+                       const std::shared_ptr<bmcweb::AsyncResp>&, Args...)>
+        handler;
+};
+} // namespace redfish
diff --git a/redfish-core/include/sub_route_trie.hpp b/redfish-core/include/sub_route_trie.hpp
new file mode 100644
index 0000000..3071fe7
--- /dev/null
+++ b/redfish-core/include/sub_route_trie.hpp
@@ -0,0 +1,241 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: Copyright OpenBMC Authors
+#pragma once
+
+#include "logging.hpp"
+#include "routing/trie.hpp"
+
+#include <cerrno>
+#include <cstdlib>
+#include <format>
+#include <stdexcept>
+#include <string>
+#include <string_view>
+#include <vector>
+
+namespace crow
+{
+
+struct SubRouteNode : public crow::Node
+{
+    using ChildMap = crow::Node::ChildMap;
+    ChildMap fragmentChildren;
+
+    bool isSimpleNode() const
+    {
+        return crow::Node::isSimpleNode() && fragmentChildren.empty();
+    }
+};
+
+template <typename ContainedType>
+class SubRouteTrie : public crow::Trie<ContainedType>
+{
+  public:
+    struct FindResult
+    {
+        std::vector<std::string> params;
+        std::vector<unsigned> fragmentRuleIndexes;
+    };
+
+  private:
+    FindResult findHelper(const std::string_view reqUrl,
+                          const ContainedType& node,
+                          std::vector<std::string>& params) const
+    {
+        if (reqUrl.empty())
+        {
+            FindResult result = {params, {}};
+            for (const auto& [fragment, fragmentRuleIndex] :
+                 node.fragmentChildren)
+            {
+                result.fragmentRuleIndexes.push_back(fragmentRuleIndex);
+            }
+            return result;
+        }
+
+        if (node.stringParamChild != 0U)
+        {
+            size_t epos = reqUrl.find('/');
+            if (epos == std::string_view::npos)
+            {
+                params.emplace_back(reqUrl);
+                FindResult ret =
+                    findHelper("", this->nodes[node.stringParamChild], params);
+                if (!ret.fragmentRuleIndexes.empty())
+                {
+                    return ret;
+                }
+                params.pop_back();
+            }
+            else
+            {
+                params.emplace_back(reqUrl.substr(0, epos));
+                FindResult ret =
+                    findHelper(reqUrl.substr(epos),
+                               this->nodes[node.stringParamChild], params);
+                if (!ret.fragmentRuleIndexes.empty())
+                {
+                    return ret;
+                }
+                params.pop_back();
+            }
+        }
+
+        if (node.pathParamChild != 0U)
+        {
+            params.emplace_back(reqUrl);
+            FindResult ret =
+                findHelper("", this->nodes[node.pathParamChild], params);
+            if (!ret.fragmentRuleIndexes.empty())
+            {
+                return ret;
+            }
+            params.pop_back();
+        }
+
+        for (const typename ContainedType::ChildMap::value_type& kv :
+             node.children)
+        {
+            const std::string& fragment = kv.first;
+            const ContainedType& child = this->nodes[kv.second];
+
+            if (reqUrl.starts_with(fragment))
+            {
+                FindResult ret =
+                    findHelper(reqUrl.substr(fragment.size()), child, params);
+                if (!ret.fragmentRuleIndexes.empty())
+                {
+                    return ret;
+                }
+            }
+        }
+
+        return {std::vector<std::string>(), {}};
+    }
+
+  public:
+    FindResult find(const std::string_view reqUrl) const
+    {
+        std::vector<std::string> start;
+        return findHelper(reqUrl, this->head(), start);
+    }
+
+    void add(std::string_view urlIn, unsigned ruleIndex)
+    {
+        size_t idx = 0;
+
+        std::string_view url = urlIn;
+
+        std::string_view fragment;
+        // Check if the URL contains a fragment (#)
+        size_t fragmentPos = urlIn.find('#');
+        size_t queryPos = urlIn.find('?');
+        if (fragmentPos != std::string::npos && queryPos == std::string::npos &&
+            fragmentPos != urlIn.length() - 1)
+        {
+            fragment = urlIn.substr(fragmentPos + 1);
+            url = urlIn.substr(0, fragmentPos);
+        }
+
+        if (fragment.empty())
+        {
+            BMCWEB_LOG_CRITICAL("empty fragment on rule \"{}\"", urlIn);
+            throw std::runtime_error(
+                std::format("empty fragment on rule \"{}\"", urlIn));
+        }
+
+        while (!url.empty())
+        {
+            char c = url[0];
+            if (c == '<')
+            {
+                bool found = false;
+                for (const std::string_view str1 :
+                     {"<str>", "<string>", "<path>"})
+                {
+                    if (!url.starts_with(str1))
+                    {
+                        continue;
+                    }
+                    found = true;
+                    ContainedType& node = this->nodes[idx];
+                    size_t* param = &node.stringParamChild;
+                    if (str1 == "<path>")
+                    {
+                        param = &node.pathParamChild;
+                    }
+                    if (*param == 0U)
+                    {
+                        *param = this->newNode();
+                    }
+                    idx = *param;
+
+                    url.remove_prefix(str1.size());
+                    break;
+                }
+                if (found)
+                {
+                    continue;
+                }
+
+                BMCWEB_LOG_CRITICAL("Can't find tag for {}", urlIn);
+                return;
+            }
+            std::string piece(&c, 1);
+            if (!this->nodes[idx].children.contains(piece))
+            {
+                unsigned newNodeIdx = this->newNode();
+                this->nodes[idx].children.emplace(piece, newNodeIdx);
+            }
+            idx = this->nodes[idx].children[piece];
+            url.remove_prefix(1);
+        }
+        ContainedType& node = this->nodes[idx];
+        if (node.fragmentChildren.find(fragment) != node.fragmentChildren.end())
+        {
+            BMCWEB_LOG_CRITICAL(
+                R"(fragment handler already exists for "{}" fragment "{}")",
+                urlIn, fragment);
+            throw std::runtime_error(std::format(
+                R"(handler already exists for url "{}" fragment "{}")", urlIn,
+                fragment));
+        }
+
+        node.fragmentChildren.emplace(fragment, ruleIndex);
+    }
+
+  private:
+    void debugNodePrint(ContainedType& n, size_t level)
+    {
+        std::string spaces(level, ' ');
+        if (n.stringParamChild != 0U)
+        {
+            BMCWEB_LOG_DEBUG("{}<str>", spaces);
+            debugNodePrint(this->nodes[n.stringParamChild], level + 5);
+        }
+        if (n.pathParamChild != 0U)
+        {
+            BMCWEB_LOG_DEBUG("{} <path>", spaces);
+            debugNodePrint(this->nodes[n.pathParamChild], level + 6);
+        }
+        for (const typename ContainedType::ChildMap::value_type& kv :
+             n.fragmentChildren)
+        {
+            BMCWEB_LOG_DEBUG("{}#{}", spaces, kv.first);
+        }
+        for (const typename ContainedType::ChildMap::value_type& kv :
+             n.children)
+        {
+            BMCWEB_LOG_DEBUG("{}{}", spaces, kv.first);
+            debugNodePrint(this->nodes[kv.second], level + kv.first.size());
+        }
+    }
+
+  public:
+    void debugPrint()
+    {
+        debugNodePrint(this->head(), 0U);
+    }
+};
+
+} // namespace crow
diff --git a/redfish-core/include/utils/json_utils.hpp b/redfish-core/include/utils/json_utils.hpp
index 17d8990..60994fe 100644
--- a/redfish-core/include/utils/json_utils.hpp
+++ b/redfish-core/include/utils/json_utils.hpp
@@ -722,6 +722,21 @@
                           std::forward<UnpackTypes&&>(in)...);
 }
 
+inline std::optional<nlohmann::json::json_pointer>
+    createJsonPointerFromFragment(std::string_view input)
+{
+    auto hashPos = input.find('#');
+    if (hashPos == std::string_view::npos || hashPos + 1 >= input.size())
+    {
+        BMCWEB_LOG_ERROR(
+            "createJsonPointerFromFragment() No fragment found after #");
+        return std::nullopt;
+    }
+
+    std::string_view fragment = input.substr(hashPos + 1);
+    return nlohmann::json::json_pointer(std::string(fragment));
+}
+
 template <typename... UnpackTypes>
 bool readJsonAction(const crow::Request& req, crow::Response& res,
                     const char* key, UnpackTypes&&... in)
diff --git a/redfish-core/include/utils/query_param.hpp b/redfish-core/include/utils/query_param.hpp
index 9b53f54..3acb511 100644
--- a/redfish-core/include/utils/query_param.hpp
+++ b/redfish-core/include/utils/query_param.hpp
@@ -14,7 +14,9 @@
 #include "http_response.hpp"
 #include "json_formatters.hpp"
 #include "logging.hpp"
+#include "redfishoemrule.hpp"
 #include "str_utility.hpp"
+#include "utils/json_utils.hpp"
 
 #include <unistd.h>
 
@@ -748,7 +750,11 @@
     // class manages the final "merge" of the json resources.
     MultiAsyncResp(crow::App& appIn,
                    std::shared_ptr<bmcweb::AsyncResp> finalResIn) :
-        app(appIn), finalRes(std::move(finalResIn))
+        app(&appIn), finalRes(std::move(finalResIn))
+    {}
+
+    explicit MultiAsyncResp(std::shared_ptr<bmcweb::AsyncResp> finalResIn) :
+        app(nullptr), finalRes(std::move(finalResIn))
     {}
 
     void addAwaitingResponse(
@@ -806,7 +812,41 @@
                              logPtr(&asyncResp->res));
 
             addAwaitingResponse(asyncResp, node.location);
-            app.handle(newReq, asyncResp);
+            if (app != nullptr)
+            {
+                app->handle(newReq, asyncResp);
+            }
+        }
+    }
+
+    static void startMultiFragmentHandle(
+        const std::shared_ptr<crow::Request>& req,
+        const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
+        const std::shared_ptr<std::vector<OemBaseRule*>>& fragments,
+        const std::shared_ptr<std::vector<std::string>>& params,
+        const crow::Response& resIn)
+    {
+        asyncResp->res.jsonValue = resIn.jsonValue;
+        auto multi = std::make_shared<MultiAsyncResp>(asyncResp);
+        for (OemBaseRule* fragment : *fragments)
+        {
+            if (fragment != nullptr)
+            {
+                OemBaseRule& fragmentRule = *fragment;
+                auto rsp = std::make_shared<bmcweb::AsyncResp>();
+                BMCWEB_LOG_DEBUG("Matched fragment GET rule '{}' {}",
+                                 fragmentRule.rule, req->methodString());
+                BMCWEB_LOG_DEBUG(
+                    "Handling fragment rules: setting completion handler on {}",
+                    logPtr(&rsp->res));
+                std::optional<nlohmann::json::json_pointer> jsonFragmentPtr =
+                    json_util::createJsonPointerFromFragment(fragmentRule.rule);
+                if (jsonFragmentPtr)
+                {
+                    multi->addAwaitingResponse(rsp, *jsonFragmentPtr);
+                    fragmentRule.handle(*req, rsp, *params);
+                }
+            }
         }
     }
 
@@ -819,7 +859,7 @@
         multi->placeResult(locationToPlace, res);
     }
 
-    crow::App& app;
+    crow::App* app;
     std::shared_ptr<bmcweb::AsyncResp> finalRes;
 };
 
diff --git a/redfish-core/lib/managers.hpp b/redfish-core/lib/managers.hpp
index e5a89f0..72b091c 100644
--- a/redfish-core/lib/managers.hpp
+++ b/redfish-core/lib/managers.hpp
@@ -18,6 +18,7 @@
 #include "openbmc/openbmc_managers.hpp"
 #include "persistent_data.hpp"
 #include "query.hpp"
+#include "redfish.hpp"
 #include "redfish_util.hpp"
 #include "registries/privilege_registry.hpp"
 #include "utils/dbus_utils.hpp"
@@ -641,8 +642,6 @@
                                         BMCWEB_REDFISH_MANAGER_URI_NAME);
             }
 
-            getHandleOemOpenBmc(req, asyncResp, managerId);
-
             // Manager.Reset (an action) can be many values, OpenBMC only
             // supports BMC reboot.
             nlohmann::json& managerReset =
@@ -710,12 +709,6 @@
                 "/redfish/v1/Managers/{}/ManagerDiagnosticData",
                 BMCWEB_REDFISH_MANAGER_URI_NAME);
 
-            if constexpr (BMCWEB_REDFISH_OEM_MANAGER_FAN_DATA)
-            {
-                auto pids = std::make_shared<GetPIDValues>(asyncResp);
-                pids->run();
-            }
-
             getMainChassisId(asyncResp, [](const std::string& chassisId,
                                            const std::shared_ptr<
                                                bmcweb::AsyncResp>& aRsp) {
@@ -878,6 +871,8 @@
                         }
                     }
                 });
+
+            RedfishService::getInstance(app).handleSubRoute(req, asyncResp);
         });
 
     BMCWEB_ROUTE(app, "/redfish/v1/Managers/<str>/")
diff --git a/redfish-core/lib/openbmc/openbmc_managers.hpp b/redfish-core/lib/openbmc/openbmc_managers.hpp
index eaa61ee..8bd5625 100644
--- a/redfish-core/lib/openbmc/openbmc_managers.hpp
+++ b/redfish-core/lib/openbmc/openbmc_managers.hpp
@@ -1,4 +1,3 @@
-
 #pragma once
 
 #include "bmcweb_config.h"
@@ -9,8 +8,10 @@
 #include "error_messages.hpp"
 #include "http_request.hpp"
 #include "logging.hpp"
+#include "redfish.hpp"
 #include "utils/dbus_utils.hpp"
 #include "utils/json_utils.hpp"
+#include "verb.hpp"
 
 #include <boost/asio/post.hpp>
 #include <boost/beast/http/status.hpp>
@@ -1473,13 +1474,13 @@
     size_t objectCount = 0;
 };
 
-inline void getHandleOemOpenBmc(
+inline void handleGetManagerOpenBmc(
     const crow::Request& /*req*/,
     const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
     const std::string& /*managerId*/)
 {
     // Default OEM data
-    nlohmann::json& oemOpenbmc = asyncResp->res.jsonValue["Oem"]["OpenBmc"];
+    nlohmann::json& oemOpenbmc = asyncResp->res.jsonValue;
     oemOpenbmc["@odata.type"] = "#OpenBMCManager.v1_0_0.Manager";
     oemOpenbmc["@odata.id"] =
         boost::urls::format("/redfish/v1/Managers/{}#/Oem/OpenBmc",
@@ -1498,4 +1499,10 @@
     }
 }
 
+inline void requestRoutesOpenBmcManager(RedfishService& service)
+{
+    REDFISH_SUB_ROUTE<"/redfish/v1/Managers/<str>/#/Oem/OpenBmc">(
+        service, HttpVerb::Get)(handleGetManagerOpenBmc);
+}
+
 } // namespace redfish
diff --git a/redfish-core/src/redfish.cpp b/redfish-core/src/redfish.cpp
index eb857af..ac06746 100644
--- a/redfish-core/src/redfish.cpp
+++ b/redfish-core/src/redfish.cpp
@@ -29,6 +29,7 @@
 #include "metric_report_definition.hpp"
 #include "network_protocol.hpp"
 #include "odata.hpp"
+#include "openbmc/openbmc_managers.hpp"
 #include "pcie.hpp"
 #include "power.hpp"
 #include "power_subsystem.hpp"
@@ -233,6 +234,10 @@
 
     // Note, this must be the last route registered
     requestRoutesRedfish(app);
+
+    requestRoutesOpenBmcManager(*this);
+
+    validate();
 }
 
 } // namespace redfish
diff --git a/src/webserver_run.cpp b/src/webserver_run.cpp
index 12c82fe..1f95959 100644
--- a/src/webserver_run.cpp
+++ b/src/webserver_run.cpp
@@ -81,7 +81,7 @@
 
     if constexpr (BMCWEB_REDFISH)
     {
-        redfish::RedfishService redfish(app);
+        redfish::RedfishService::getInstance(app);
 
         // Create EventServiceManager instance and initialize Config
         redfish::EventServiceManager::getInstance();
diff --git a/test/redfish-core/include/redfish_oem_routing_test.cpp b/test/redfish-core/include/redfish_oem_routing_test.cpp
new file mode 100644
index 0000000..68dd09b
--- /dev/null
+++ b/test/redfish-core/include/redfish_oem_routing_test.cpp
@@ -0,0 +1,70 @@
+
+#include "app.hpp"
+#include "async_resp.hpp"
+#include "http_request.hpp"
+#include "redfish.hpp"
+#include "verb.hpp"
+
+#include <boost/beast/http/verb.hpp>
+
+#include <memory>
+#include <string>
+#include <string_view>
+#include <system_error>
+
+#include <gtest/gtest.h>
+
+namespace redfish
+{
+namespace
+{
+
+TEST(OemRouter, FragmentRoutes)
+{
+    std::error_code ec;
+    App app;
+    RedfishService service(app);
+
+    // Callback handler that does nothing
+    bool oemCalled = false;
+    auto oemCallback = [&oemCalled](const crow::Request&,
+                                    const std::shared_ptr<bmcweb::AsyncResp>&,
+                                    const std::string& bar) {
+        oemCalled = true;
+        EXPECT_EQ(bar, "bar");
+    };
+    bool standardCalled = false;
+    auto standardCallback =
+        [&standardCalled,
+         &service](const crow::Request& req,
+                   const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
+                   const std::string& bar) {
+            service.handleSubRoute(req, asyncResp);
+            standardCalled = true;
+            EXPECT_EQ(bar, "bar");
+        };
+    // Need the normal route registered for OEM to work
+    BMCWEB_ROUTE(app, "/foo/<str>/")
+        .methods(boost::beast::http::verb::get)(standardCallback);
+    REDFISH_SUB_ROUTE<"/foo/<str>/#/Oem">(service, HttpVerb::Get)(oemCallback);
+
+    app.validate();
+    service.validate();
+
+    {
+        constexpr std::string_view reqUrl = "/foo/bar";
+
+        std::shared_ptr<crow::Request> req = std::make_shared<crow::Request>(
+            crow::Request::Body{boost::beast::http::verb::get, reqUrl, 11}, ec);
+
+        std::shared_ptr<bmcweb::AsyncResp> asyncResp =
+            std::make_shared<bmcweb::AsyncResp>();
+
+        app.handle(req, asyncResp);
+    }
+    EXPECT_TRUE(oemCalled);
+    EXPECT_TRUE(standardCalled);
+}
+
+} // namespace
+} // namespace redfish