I can not reduce task size because I need more than 20 tasks than how to reduce heap size or free ,I will share my http logic please review it also

my http code:
/* -------- HTTP response capture -------- */
typedef struct {
char *buf;
size_t len;
size_t cap;
int expected_len; // -1 if not ...

Hello ,

In below main.c file i am running task ,task1 from to ...... task21 and in this task wifi_rssi_monitor_task try to download 29kb data using call api and http ,
case 1:
if total number of task is 15 used than i can download proper data every time
case 2:
if i increase number of task 16 to 21 ...