diff --git a/bind/v4k.lua b/bind/v4k.lua
index 2df2d3a..025fac0 100644
--- a/bind/v4k.lua
+++ b/bind/v4k.lua
@@ -2415,6 +2415,16 @@ GAMEPAD_GUID, GAMEPAD_NAME,
  char* tcp_port(int);
  int   tcp_close(int);
  int   tcp_debug(int);
+ int track_init(char const *host, char const *port);
+ int track_destroy(void);
+ int track_event(char const *event_id, char const *user_id, char const *json_payload);
+ int track_ident(char const *user_id, char const *traits);
+ int track_group(char const *user_id, char const *group_id, char const *traits);
+typedef struct {
+char const *key;
+char const *val;
+} track_prop;
+ int track_event_props(char const *event_id, char const *user_id, const track_prop *props);
 enum { NETWORK_BIND = 2, NETWORK_CONNECT = 4, NETWORK_NOFAIL = 8 };
  void   network_create(unsigned max_clients, const char *ip, const char *port, unsigned flags);
 enum { NETWORK_SEND = 2, NETWORK_RECV = 4 };
diff --git a/engine/joint/v4k.h b/engine/joint/v4k.h
index 0ec0e4c..80ae694 100644
--- a/engine/joint/v4k.h
+++ b/engine/joint/v4k.h
@@ -16490,6 +16490,67 @@ API int   tcp_debug(int); // toggle traffic monitoring on/off for given socket
 //API int   tcp_crypt(int,uint64_t);               // set shared secret
 #line 0
 
+#line 1 "engine/split/v4k_track.h"
+#ifndef TRACK_SEND_BUFSIZE
+#define TRACK_SEND_BUFSIZE 576
+#endif
+
+ //~ Errors
+#define TRACK_ERROR_INIT_FAIL      1
+#define TRACK_ERROR_SOCKET_FAIL    2
+#define TRACK_ERROR_SOCKET_INVALID 3
+#define TRACK_ERROR_BUFFER_FULL    4
+#define TRACK_ERROR_SEND_FAIL      5
+#define TRACK_ERROR_INPUT_INVALID  6
+
+/// Initialises telemetry and connects to the specified endpoint.
+/// return: error code
+/// host: IP address / domain of the endpoint
+/// port: service name / port
+/// see: track_event, track_ident, track_group
+API int track_init(char const *host, char const *port);
+
+/// Destroys the currently established telemetry socket.
+/// return: error code
+/// No parameters needed for this function.
+API int track_destroy(void);
+
+/// Sends an EVENT message to the server.
+/// return: error code
+/// event_id: Identifier for the event type.
+/// user_id: Identifier for the user.
+/// json_payload: JSON-formatted metadata for the event.
+API int track_event(char const *event_id, char const *user_id, char const *json_payload);
+
+/// Sends user identification to the server.
+/// return: error code
+/// user_id: Identifier for the user.
+/// traits: JSON-formatted traits or attributes of the user.
+API int track_ident(char const *user_id, char const *traits);
+
+/// Associates a user to a group.
+/// return: error code
+/// user_id: Identifier for the user.
+/// group_id: Identifier for the group.
+/// traits: JSON-formatted traits or attributes of the group.
+API int track_group(char const *user_id, char const *group_id, char const *traits);
+
+//~ Event utilities
+
+/// Structure to represent key-value pairs for event properties.
+typedef struct {
+ char const *key;
+ char const *val;
+} track_prop;
+
+/// Sends an EVENT message with custom properties.
+/// return: error code
+/// event_id: Identifier for the event type.
+/// user_id: Identifier for the user.
+/// props: Array of key-value pairs. Terminates when key is set to NULL.
+API int track_event_props(char const *event_id, char const *user_id, const track_prop *props);
+#line 0
+
 #line 1 "engine/split/v4k_netsync.h"
 // high-level, socket-less networking api. inspired by Quake, MPI and RenderBuckets theories.
 // - rlyeh, public domain
@@ -342467,6 +342528,143 @@ static void network_init() {
 }
 #line 0
 
+#line 1 "engine/split/v4k_track.c"
+static __thread int track__sock = -1;
+
+//~ Lifecycle methods
+int track_init(char const *host, char const *port) {
+    if (track__sock > -1) {
+        swrapClose(track__sock);
+        track__sock = -1;
+    }
+
+    track__sock = swrapSocket(SWRAP_UDP, SWRAP_CONNECT, SWRAP_DEFAULT, host, port);
+
+    if (track__sock == -1) {
+        return -TRACK_ERROR_SOCKET_FAIL;
+    }
+
+    return 0;
+}
+int track_destroy(void) {
+    if (track__sock > -1) swrapClose(track__sock);
+    track__sock = -1;
+    return 0;
+}
+
+//~ Buffer utilities
+static __thread char track__buffer[TRACK_SEND_BUFSIZE+1];
+static __thread int track__buffer_len = 0;
+static __thread int track__errno = 0;
+
+static void track__buffer_flush(void) {
+    track__buffer_len = 0;
+}
+
+static int track__buffer_appendc(char *buf, int *len, char const *str) {
+    int size = (int)strlen(str);
+    if (*len+size > TRACK_SEND_BUFSIZE)
+        return -TRACK_ERROR_BUFFER_FULL;
+    memcpy(buf+*len, str, size);
+    *len += size;
+    return 0;
+}
+
+#define TRACK__APPEND_SAFE_EX(buf, len, xx)\
+    track__errno = track__buffer_appendc(buf, len, xx);\
+    if (track__errno) return track__errno;
+
+
+#define TRACK__APPEND_SAFE(xx)\
+    TRACK__APPEND_SAFE_EX(track__buffer, &track__buffer_len, xx);
+
+//~ Event tracking
+int track_event(char const *event_id, char const *user_id, char const *json_payload) {
+    if (track__sock == -1)
+        return -TRACK_ERROR_SOCKET_INVALID;
+    if (!event_id || !user_id || !json_payload)
+        return -TRACK_ERROR_INPUT_INVALID;
+    track__buffer_flush();
+
+    TRACK__APPEND_SAFE("{\"userId\":\"");
+    TRACK__APPEND_SAFE(user_id);
+    TRACK__APPEND_SAFE("\",\"event\":\"");
+    TRACK__APPEND_SAFE(event_id);
+    TRACK__APPEND_SAFE("\",\"properties\":");
+    TRACK__APPEND_SAFE(json_payload);
+    TRACK__APPEND_SAFE("}");
+
+    if (!swrapSend(track__sock, track__buffer, track__buffer_len))
+        return -TRACK_ERROR_SEND_FAIL;
+    return 0;
+}
+
+int track_ident(char const *user_id, char const *traits) {
+    if (track__sock == -1)
+        return -TRACK_ERROR_SOCKET_INVALID;
+    if (!user_id || !traits)
+        return -TRACK_ERROR_INPUT_INVALID;
+    track__buffer_flush();
+
+    TRACK__APPEND_SAFE("{\"userId\":\"");
+    TRACK__APPEND_SAFE(user_id);
+    TRACK__APPEND_SAFE("\",\"traits\":");
+    TRACK__APPEND_SAFE(traits);
+    TRACK__APPEND_SAFE("}");
+
+    if (!swrapSend(track__sock, track__buffer, track__buffer_len))
+        return -TRACK_ERROR_SEND_FAIL;
+    return 0;
+}
+
+int track_group(char const *user_id, char const *group_id, char const *traits) {
+    if (track__sock == -1)
+        return -TRACK_ERROR_SOCKET_INVALID;
+    if (!user_id || !group_id || !traits)
+        return -TRACK_ERROR_INPUT_INVALID;
+    track__buffer_flush();
+    
+    TRACK__APPEND_SAFE("{\"userId\":\"");
+    TRACK__APPEND_SAFE(user_id);
+    TRACK__APPEND_SAFE("\",\"groupId\":\"");
+    TRACK__APPEND_SAFE(group_id);
+    TRACK__APPEND_SAFE("\",\"traits\":");
+    TRACK__APPEND_SAFE(traits);
+    TRACK__APPEND_SAFE("}");
+
+    if (!swrapSend(track__sock, track__buffer, track__buffer_len))
+        return -TRACK_ERROR_SEND_FAIL;
+    return 0;
+}
+
+int track_event_props(char const *event_id, char const *user_id, const track_prop *props) {
+    static char buf[TRACK_SEND_BUFSIZE+1] = {0};
+    int len = 0;
+
+
+    if (!props)
+        return track_event(event_id, user_id, "");
+
+    TRACK__APPEND_SAFE_EX(buf, &len, "{");
+    while (props->key) {
+        TRACK__APPEND_SAFE_EX(buf, &len, "\"");
+        TRACK__APPEND_SAFE_EX(buf, &len, props->key);
+        TRACK__APPEND_SAFE_EX(buf, &len, "\":");
+        TRACK__APPEND_SAFE_EX(buf, &len, props->val);
+        ++props;
+        if (props->key) {
+            TRACK__APPEND_SAFE_EX(buf, &len, ",");
+        }
+    }
+    TRACK__APPEND_SAFE_EX(buf, &len, "}");
+
+    return track_event(event_id, user_id, buf);
+}
+
+#undef TRACK__APPEND_SAFE
+#undef TRACK__APPEND_SAFE_EX
+#line 0
+
 #line 1 "engine/split/v4k_netsync.c"
 typedef void* (*rpc_function)();
 
diff --git a/engine/split/v4k.c.inl b/engine/split/v4k.c.inl
index 4adfe3e..0cf62e4 100644
--- a/engine/split/v4k.c.inl
+++ b/engine/split/v4k.c.inl
@@ -143,6 +143,8 @@ API void *ui_handle();
 
 {{FILE:v4k_network.c}}
 
+{{FILE:v4k_track.c}}
+
 {{FILE:v4k_netsync.c}}
 
 {{FILE:v4k_pack.c}}
diff --git a/engine/split/v4k.h.inl b/engine/split/v4k.h.inl
index 2a1d9c3..1770504 100644
--- a/engine/split/v4k.h.inl
+++ b/engine/split/v4k.h.inl
@@ -133,6 +133,8 @@ extern "C" {
 
 {{FILE:v4k_network.h}}
 
+{{FILE:v4k_track.h}}
+
 {{FILE:v4k_netsync.h}}
 
 {{FILE:v4k_obj.h}}
diff --git a/engine/split/v4k_track.c b/engine/split/v4k_track.c
new file mode 100644
index 0000000..d0cce32
--- /dev/null
+++ b/engine/split/v4k_track.c
@@ -0,0 +1,134 @@
+static __thread int track__sock = -1;
+
+//~ Lifecycle methods
+int track_init(char const *host, char const *port) {
+    if (track__sock > -1) {
+        swrapClose(track__sock);
+        track__sock = -1;
+    }
+
+    track__sock = swrapSocket(SWRAP_UDP, SWRAP_CONNECT, SWRAP_DEFAULT, host, port);
+
+    if (track__sock == -1) {
+        return -TRACK_ERROR_SOCKET_FAIL;
+    }
+
+    return 0;
+}
+int track_destroy(void) {
+    if (track__sock > -1) swrapClose(track__sock);
+    track__sock = -1;
+    return 0;
+}
+
+//~ Buffer utilities
+static __thread char track__buffer[TRACK_SEND_BUFSIZE+1];
+static __thread int track__buffer_len = 0;
+static __thread int track__errno = 0;
+
+static void track__buffer_flush(void) {
+    track__buffer_len = 0;
+}
+
+static int track__buffer_appendc(char *buf, int *len, char const *str) {
+    int size = (int)strlen(str);
+    if (*len+size > TRACK_SEND_BUFSIZE)
+        return -TRACK_ERROR_BUFFER_FULL;
+    memcpy(buf+*len, str, size);
+    *len += size;
+    return 0;
+}
+
+#define TRACK__APPEND_SAFE_EX(buf, len, xx)\
+    track__errno = track__buffer_appendc(buf, len, xx);\
+    if (track__errno) return track__errno;
+
+
+#define TRACK__APPEND_SAFE(xx)\
+    TRACK__APPEND_SAFE_EX(track__buffer, &track__buffer_len, xx);
+
+//~ Event tracking
+int track_event(char const *event_id, char const *user_id, char const *json_payload) {
+    if (track__sock == -1)
+        return -TRACK_ERROR_SOCKET_INVALID;
+    if (!event_id || !user_id || !json_payload)
+        return -TRACK_ERROR_INPUT_INVALID;
+    track__buffer_flush();
+
+    TRACK__APPEND_SAFE("{\"userId\":\"");
+    TRACK__APPEND_SAFE(user_id);
+    TRACK__APPEND_SAFE("\",\"event\":\"");
+    TRACK__APPEND_SAFE(event_id);
+    TRACK__APPEND_SAFE("\",\"properties\":");
+    TRACK__APPEND_SAFE(json_payload);
+    TRACK__APPEND_SAFE("}");
+
+    if (!swrapSend(track__sock, track__buffer, track__buffer_len))
+        return -TRACK_ERROR_SEND_FAIL;
+    return 0;
+}
+
+int track_ident(char const *user_id, char const *traits) {
+    if (track__sock == -1)
+        return -TRACK_ERROR_SOCKET_INVALID;
+    if (!user_id || !traits)
+        return -TRACK_ERROR_INPUT_INVALID;
+    track__buffer_flush();
+
+    TRACK__APPEND_SAFE("{\"userId\":\"");
+    TRACK__APPEND_SAFE(user_id);
+    TRACK__APPEND_SAFE("\",\"traits\":");
+    TRACK__APPEND_SAFE(traits);
+    TRACK__APPEND_SAFE("}");
+
+    if (!swrapSend(track__sock, track__buffer, track__buffer_len))
+        return -TRACK_ERROR_SEND_FAIL;
+    return 0;
+}
+
+int track_group(char const *user_id, char const *group_id, char const *traits) {
+    if (track__sock == -1)
+        return -TRACK_ERROR_SOCKET_INVALID;
+    if (!user_id || !group_id || !traits)
+        return -TRACK_ERROR_INPUT_INVALID;
+    track__buffer_flush();
+    
+    TRACK__APPEND_SAFE("{\"userId\":\"");
+    TRACK__APPEND_SAFE(user_id);
+    TRACK__APPEND_SAFE("\",\"groupId\":\"");
+    TRACK__APPEND_SAFE(group_id);
+    TRACK__APPEND_SAFE("\",\"traits\":");
+    TRACK__APPEND_SAFE(traits);
+    TRACK__APPEND_SAFE("}");
+
+    if (!swrapSend(track__sock, track__buffer, track__buffer_len))
+        return -TRACK_ERROR_SEND_FAIL;
+    return 0;
+}
+
+int track_event_props(char const *event_id, char const *user_id, const track_prop *props) {
+    static char buf[TRACK_SEND_BUFSIZE+1] = {0};
+    int len = 0;
+
+
+    if (!props)
+        return track_event(event_id, user_id, "");
+
+    TRACK__APPEND_SAFE_EX(buf, &len, "{");
+    while (props->key) {
+        TRACK__APPEND_SAFE_EX(buf, &len, "\"");
+        TRACK__APPEND_SAFE_EX(buf, &len, props->key);
+        TRACK__APPEND_SAFE_EX(buf, &len, "\":");
+        TRACK__APPEND_SAFE_EX(buf, &len, props->val);
+        ++props;
+        if (props->key) {
+            TRACK__APPEND_SAFE_EX(buf, &len, ",");
+        }
+    }
+    TRACK__APPEND_SAFE_EX(buf, &len, "}");
+
+    return track_event(event_id, user_id, buf);
+}
+
+#undef TRACK__APPEND_SAFE
+#undef TRACK__APPEND_SAFE_EX
diff --git a/engine/split/v4k_track.h b/engine/split/v4k_track.h
new file mode 100644
index 0000000..8153b10
--- /dev/null
+++ b/engine/split/v4k_track.h
@@ -0,0 +1,58 @@
+#ifndef TRACK_SEND_BUFSIZE
+#define TRACK_SEND_BUFSIZE 576
+#endif
+
+ //~ Errors
+#define TRACK_ERROR_INIT_FAIL      1
+#define TRACK_ERROR_SOCKET_FAIL    2
+#define TRACK_ERROR_SOCKET_INVALID 3
+#define TRACK_ERROR_BUFFER_FULL    4
+#define TRACK_ERROR_SEND_FAIL      5
+#define TRACK_ERROR_INPUT_INVALID  6
+
+/// Initialises telemetry and connects to the specified endpoint.
+/// return: error code
+/// host: IP address / domain of the endpoint
+/// port: service name / port
+/// see: track_event, track_ident, track_group
+API int track_init(char const *host, char const *port);
+
+/// Destroys the currently established telemetry socket.
+/// return: error code
+/// No parameters needed for this function.
+API int track_destroy(void);
+
+/// Sends an EVENT message to the server.
+/// return: error code
+/// event_id: Identifier for the event type.
+/// user_id: Identifier for the user.
+/// json_payload: JSON-formatted metadata for the event.
+API int track_event(char const *event_id, char const *user_id, char const *json_payload);
+
+/// Sends user identification to the server.
+/// return: error code
+/// user_id: Identifier for the user.
+/// traits: JSON-formatted traits or attributes of the user.
+API int track_ident(char const *user_id, char const *traits);
+
+/// Associates a user to a group.
+/// return: error code
+/// user_id: Identifier for the user.
+/// group_id: Identifier for the group.
+/// traits: JSON-formatted traits or attributes of the group.
+API int track_group(char const *user_id, char const *group_id, char const *traits);
+
+//~ Event utilities
+
+/// Structure to represent key-value pairs for event properties.
+typedef struct {
+ char const *key;
+ char const *val;
+} track_prop;
+
+/// Sends an EVENT message with custom properties.
+/// return: error code
+/// event_id: Identifier for the event type.
+/// user_id: Identifier for the user.
+/// props: Array of key-value pairs. Terminates when key is set to NULL.
+API int track_event_props(char const *event_id, char const *user_id, const track_prop *props);
diff --git a/engine/v4k.c b/engine/v4k.c
index c6253dc..f3fb7d3 100644
--- a/engine/v4k.c
+++ b/engine/v4k.c
@@ -10579,6 +10579,143 @@ static void network_init() {
 }
 #line 0
 
+#line 1 "engine/split/v4k_track.c"
+static __thread int track__sock = -1;
+
+//~ Lifecycle methods
+int track_init(char const *host, char const *port) {
+    if (track__sock > -1) {
+        swrapClose(track__sock);
+        track__sock = -1;
+    }
+
+    track__sock = swrapSocket(SWRAP_UDP, SWRAP_CONNECT, SWRAP_DEFAULT, host, port);
+
+    if (track__sock == -1) {
+        return -TRACK_ERROR_SOCKET_FAIL;
+    }
+
+    return 0;
+}
+int track_destroy(void) {
+    if (track__sock > -1) swrapClose(track__sock);
+    track__sock = -1;
+    return 0;
+}
+
+//~ Buffer utilities
+static __thread char track__buffer[TRACK_SEND_BUFSIZE+1];
+static __thread int track__buffer_len = 0;
+static __thread int track__errno = 0;
+
+static void track__buffer_flush(void) {
+    track__buffer_len = 0;
+}
+
+static int track__buffer_appendc(char *buf, int *len, char const *str) {
+    int size = (int)strlen(str);
+    if (*len+size > TRACK_SEND_BUFSIZE)
+        return -TRACK_ERROR_BUFFER_FULL;
+    memcpy(buf+*len, str, size);
+    *len += size;
+    return 0;
+}
+
+#define TRACK__APPEND_SAFE_EX(buf, len, xx)\
+    track__errno = track__buffer_appendc(buf, len, xx);\
+    if (track__errno) return track__errno;
+
+
+#define TRACK__APPEND_SAFE(xx)\
+    TRACK__APPEND_SAFE_EX(track__buffer, &track__buffer_len, xx);
+
+//~ Event tracking
+int track_event(char const *event_id, char const *user_id, char const *json_payload) {
+    if (track__sock == -1)
+        return -TRACK_ERROR_SOCKET_INVALID;
+    if (!event_id || !user_id || !json_payload)
+        return -TRACK_ERROR_INPUT_INVALID;
+    track__buffer_flush();
+
+    TRACK__APPEND_SAFE("{\"userId\":\"");
+    TRACK__APPEND_SAFE(user_id);
+    TRACK__APPEND_SAFE("\",\"event\":\"");
+    TRACK__APPEND_SAFE(event_id);
+    TRACK__APPEND_SAFE("\",\"properties\":");
+    TRACK__APPEND_SAFE(json_payload);
+    TRACK__APPEND_SAFE("}");
+
+    if (!swrapSend(track__sock, track__buffer, track__buffer_len))
+        return -TRACK_ERROR_SEND_FAIL;
+    return 0;
+}
+
+int track_ident(char const *user_id, char const *traits) {
+    if (track__sock == -1)
+        return -TRACK_ERROR_SOCKET_INVALID;
+    if (!user_id || !traits)
+        return -TRACK_ERROR_INPUT_INVALID;
+    track__buffer_flush();
+
+    TRACK__APPEND_SAFE("{\"userId\":\"");
+    TRACK__APPEND_SAFE(user_id);
+    TRACK__APPEND_SAFE("\",\"traits\":");
+    TRACK__APPEND_SAFE(traits);
+    TRACK__APPEND_SAFE("}");
+
+    if (!swrapSend(track__sock, track__buffer, track__buffer_len))
+        return -TRACK_ERROR_SEND_FAIL;
+    return 0;
+}
+
+int track_group(char const *user_id, char const *group_id, char const *traits) {
+    if (track__sock == -1)
+        return -TRACK_ERROR_SOCKET_INVALID;
+    if (!user_id || !group_id || !traits)
+        return -TRACK_ERROR_INPUT_INVALID;
+    track__buffer_flush();
+    
+    TRACK__APPEND_SAFE("{\"userId\":\"");
+    TRACK__APPEND_SAFE(user_id);
+    TRACK__APPEND_SAFE("\",\"groupId\":\"");
+    TRACK__APPEND_SAFE(group_id);
+    TRACK__APPEND_SAFE("\",\"traits\":");
+    TRACK__APPEND_SAFE(traits);
+    TRACK__APPEND_SAFE("}");
+
+    if (!swrapSend(track__sock, track__buffer, track__buffer_len))
+        return -TRACK_ERROR_SEND_FAIL;
+    return 0;
+}
+
+int track_event_props(char const *event_id, char const *user_id, const track_prop *props) {
+    static char buf[TRACK_SEND_BUFSIZE+1] = {0};
+    int len = 0;
+
+
+    if (!props)
+        return track_event(event_id, user_id, "");
+
+    TRACK__APPEND_SAFE_EX(buf, &len, "{");
+    while (props->key) {
+        TRACK__APPEND_SAFE_EX(buf, &len, "\"");
+        TRACK__APPEND_SAFE_EX(buf, &len, props->key);
+        TRACK__APPEND_SAFE_EX(buf, &len, "\":");
+        TRACK__APPEND_SAFE_EX(buf, &len, props->val);
+        ++props;
+        if (props->key) {
+            TRACK__APPEND_SAFE_EX(buf, &len, ",");
+        }
+    }
+    TRACK__APPEND_SAFE_EX(buf, &len, "}");
+
+    return track_event(event_id, user_id, buf);
+}
+
+#undef TRACK__APPEND_SAFE
+#undef TRACK__APPEND_SAFE_EX
+#line 0
+
 #line 1 "engine/split/v4k_netsync.c"
 typedef void* (*rpc_function)();
 
diff --git a/engine/v4k.h b/engine/v4k.h
index 6925c85..917cd07 100644
--- a/engine/v4k.h
+++ b/engine/v4k.h
@@ -2557,6 +2557,67 @@ API int   tcp_debug(int); // toggle traffic monitoring on/off for given socket
 //API int   tcp_crypt(int,uint64_t);               // set shared secret
 #line 0
 
+#line 1 "engine/split/v4k_track.h"
+#ifndef TRACK_SEND_BUFSIZE
+#define TRACK_SEND_BUFSIZE 576
+#endif
+
+ //~ Errors
+#define TRACK_ERROR_INIT_FAIL      1
+#define TRACK_ERROR_SOCKET_FAIL    2
+#define TRACK_ERROR_SOCKET_INVALID 3
+#define TRACK_ERROR_BUFFER_FULL    4
+#define TRACK_ERROR_SEND_FAIL      5
+#define TRACK_ERROR_INPUT_INVALID  6
+
+/// Initialises telemetry and connects to the specified endpoint.
+/// return: error code
+/// host: IP address / domain of the endpoint
+/// port: service name / port
+/// see: track_event, track_ident, track_group
+API int track_init(char const *host, char const *port);
+
+/// Destroys the currently established telemetry socket.
+/// return: error code
+/// No parameters needed for this function.
+API int track_destroy(void);
+
+/// Sends an EVENT message to the server.
+/// return: error code
+/// event_id: Identifier for the event type.
+/// user_id: Identifier for the user.
+/// json_payload: JSON-formatted metadata for the event.
+API int track_event(char const *event_id, char const *user_id, char const *json_payload);
+
+/// Sends user identification to the server.
+/// return: error code
+/// user_id: Identifier for the user.
+/// traits: JSON-formatted traits or attributes of the user.
+API int track_ident(char const *user_id, char const *traits);
+
+/// Associates a user to a group.
+/// return: error code
+/// user_id: Identifier for the user.
+/// group_id: Identifier for the group.
+/// traits: JSON-formatted traits or attributes of the group.
+API int track_group(char const *user_id, char const *group_id, char const *traits);
+
+//~ Event utilities
+
+/// Structure to represent key-value pairs for event properties.
+typedef struct {
+ char const *key;
+ char const *val;
+} track_prop;
+
+/// Sends an EVENT message with custom properties.
+/// return: error code
+/// event_id: Identifier for the event type.
+/// user_id: Identifier for the user.
+/// props: Array of key-value pairs. Terminates when key is set to NULL.
+API int track_event_props(char const *event_id, char const *user_id, const track_prop *props);
+#line 0
+
 #line 1 "engine/split/v4k_netsync.h"
 // high-level, socket-less networking api. inspired by Quake, MPI and RenderBuckets theories.
 // - rlyeh, public domain