diff --git a/b3-dev/api/api-php/checkkey.php b/b3-dev/api/api-php/checkkey.php
new file mode 100644
index 0000000..40b7409
--- /dev/null
+++ b/b3-dev/api/api-php/checkkey.php
@@ -0,0 +1,18 @@
+<?php
+    $keyring = array(
+        '28__u`AAs51n2KqX?hk27/=|mQI-Sv;]nP%Sd:27+pd#eb{KUK+Vui&a_|$m{+8x',
+        '{KoCg/!0?7_|&pjyh!D%+IHpaB]rj|NA<^}mU|un= =}|`le[~f)&h-%Qpr>mYLA',
+        '0{-f_Z/)J?Dr-=B2G=+U-+&ZTvN2m[+){7nO&rd{t6+|8BW!(+&Lx!U{gF&t.m(8',
+        'TY@V>x3x6= |?K|.dBEt2U;9su-h4kS_-4~+AuDvV4<0.:}^o:l;*&WC6P:<58?t',
+        '?GOHK0|EpH`X1.1DZ,-r*`?(7+<4rbG?;W*ReX+<#CUuGiQ,G^c[SJh!Q#@aHB #',
+        'JdF?Zl=7tE{|+VDh%SzDVj[$nV$Emkt!T9&lhUM7Ty/yRadrv,T(S7CEk rIsx,$',
+        'y:XeG#<+>Jb+cqB*^doW[2|N]ju8l<4?$ek?M?0aFaY>W&TJw rNCz+L7+ZN;#f=',
+        'E|ngUL<N+f)Qfgs$ggG5ejS${9NN7-)qlH]iB;R]xvy%e3G`C+Lb $?K(5F-Rb%u',
+        '!|MuVONHh33|l|`|RqQ|r%sZgCUo?FIXlPBQ`4J/Ajc$fvyS>],O).^DqOWo~Jzy',
+        'i2El=I~}<o.qv;A8~ {i/3]j*XghY8K+}|M]mc-Q ~m$#bJY8NdA-jOUF=|+VLyg',
+        '}#]wSs]%9,I0SF7A5~|5,3S_,/-(#z+L@oxJ<PM|Jro~p=P.c^EMqDgDf-F4o?Xw',
+        'o6h{,vP2CQ&-)gc|Z2^U^{Y^htKH}[IS|&GUtY`E`a)D@kaJr$8,dKSSm@c2D7y+'
+    );
+
+    $salt = array_rand($keyring);
+    echo md5("cbeeea4f8fe2e11def024978c914f8b7".$keyring[$salt].strftime('%Y%m%d%H')).":".$salt;
\ No newline at end of file