Trying to send API request to Quadratic Fit. How many array elements can be defined? This seems to fail when too many arrays are sent. Also receive "Oops, you've exceeded the maximum number of characters." when trying from web front end.

quadratic+fit+
{1,599},
{2,670},
{3,900},
{4,910},
{5,914},
{6,918},
{7,976},
{8,1011},
{9,1112},
{10,1166},
{11,1249},
{12,1265},
{13,1269},
{14,1451},
{15,1515},
{16,1726},
{17,1787},
{18,1907},
{19,1934},
{20,1941},
{21,2038},
{22,2213},
{23,2315},
{24,2448},
{25,2529},
{26,2557},
{27,2567},
{28,2720},
{29,2862},
{30,3078},
{31,3333},
{32,3346},
{33,3356},
{34,3583},
{35,3625},
{36,4008},
{37,4198},
{38,4298},
{39,4362},
{40,4374}