diff --git a/include/maxscale/json_api.hh b/include/maxscale/json_api.hh
new file mode 100644
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+++ b/include/maxscale/json_api.hh
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+/*
+ * Copyright (c) 2018 MariaDB Corporation Ab
+ *
+ * Use of this software is governed by the Business Source License included
+ * in the LICENSE.TXT file and at www.mariadb.com/bsl11.
+ *
+ * Change Date: 2022-01-01
+ *
+ * On the date above, in accordance with the Business Source License, use
+ * of this software will be governed by version 2 or later of the General
+ * Public License.
+ */
+#pragma once
+
+/**
+ * @file Helper functions for creating JSON API conforming objects
+ *
+ * @see http://jsonapi.org/format/
+ */
+
+#include <maxscale/ccdefs.hh>
+#include <maxbase/jansson.h>
+#include <vector>
+
+/** Resource endpoints */
+#define MXS_JSON_API_SERVERS     "/servers/"
+#define MXS_JSON_API_SERVICES    "/services/"
+#define MXS_JSON_API_FILTERS     "/filters/"
+#define MXS_JSON_API_MONITORS    "/monitors/"
+#define MXS_JSON_API_SESSIONS    "/sessions/"
+#define MXS_JSON_API_MAXSCALE    "/maxscale/"
+#define MXS_JSON_API_THREADS     "/maxscale/threads/"
+#define MXS_JSON_API_LOGS        "/maxscale/logs/"
+#define MXS_JSON_API_TASKS       "/maxscale/tasks/"
+#define MXS_JSON_API_MODULES     "/maxscale/modules/"
+#define MXS_JSON_API_QC_STATS    "/maxscale/qc_stats/"
+#define MXS_JSON_API_QC          "/maxscale/query_classifier/"
+#define MXS_JSON_API_QC_CLASSIFY "/maxscale/query_classifier/classify"
+#define MXS_JSON_API_USERS       "/users/"
+
+/**
+ * @brief Create a JSON object
+ *
+ * @param host Hostname of this server
+ * @param self Endpoint of this resource
+ * @param data The JSON data, either an array or an object, stored in
+ *             the `data` field of the returned object
+ *
+ * @return A valid top-level JSON API object
+ */
+json_t* mxs_json_resource(const char* host, const char* self, json_t* data);
+
+
+/**
+ * @brief Create a JSON metadata object
+ *
+ * This should be used to transport non-standard data to the client.
+ *
+ * @param host Hostname of this server
+ * @param self Endpoint of this resource
+ * @param data The JSON data, either an array or an object, stored in
+ *             the `meta` field of the returned object
+ *
+ * @return A valid top-level JSON API object
+ */
+json_t* mxs_json_metadata(const char* host, const char* self, json_t* data);
+
+/**
+ * @brief Create an empty relationship object
+ *
+ * @param host Hostname of this server
+ * @param endpoint The endpoint for the resource's collection
+ *
+ * @return New relationship object
+ */
+json_t* mxs_json_relationship(const char* host, const char* endpoint);
+
+/**
+ * @brief Add an item to a relationship object
+ *
+ * @param rel  Relationship created with mxs_json_relationship
+ * @param id   The resource identifier
+ * @param type The resource type
+ */
+void mxs_json_add_relation(json_t* rel, const char* id, const char* type);
+
+/**
+ * @brief Create self link object
+ *
+ * The self link points to the object itself.
+ *
+ * @param host Hostname of this server
+ * @param path Base path to the resource collection
+ * @param id   The identified of this resource
+ *
+ * @return New self link object
+ */
+json_t* mxs_json_self_link(const char* host, const char* path, const char* id);
+
+/**
+ * @brief Return value at provided JSON Pointer
+ *
+ * @param json     JSON object
+ * @param json_ptr JSON Pointer to object
+ *
+ * @return Pointed value or NULL if no value is found
+ */
+json_t* mxs_json_pointer(json_t* json, const char* json_ptr);
+
+
+/**
+ * @brief Return a JSON formatted error
+ *
+ * @param format Format string
+ * @param ...    Variable argument list
+ *
+ * @return The error as JSON
+ */
+json_t* mxs_json_error(const char* format, ...) mxb_attribute((format (printf, 1, 2)));
+json_t* mxs_json_error(const std::vector<std::string>& errors);
+
+/**
+ * @brief Append error to existing JSON object.
+ *
+ * @param object Existing json error object, or NULL.
+ * @param format Format string
+ * @param ...    Variable argument list
+ *
+ * @return The error added to 'errors' array of the JSON object.
+ */
+json_t* mxs_json_error_append(json_t* object, const char* format, ...) mxb_attribute((format (printf, 2, 3)));