Use the below curl statement after each request and successful response to clear the pool size. Please note if you are not closing the connections then once the connection pool is consumed any future requests will fail and throw an pool size or timeout error
curl 'http://localhost:9000/api/1.0/tsql/connections/user' \
-X 'DELETE' \
-H 'Accept: application/json, text/plain, /' \
-H 'Accept-Language: en' \
-H 'Authorization: Bearer AQAAANCMnd8BFdERjHoAwE_Cl-sBAAAAAEpC-1_zUEKdfx07C0tXMwAAAAACAAAAAAAQZgAAAAEAACAAAABOFGgrutABiRhKF2dKhRWrqvLpISXlhhF9aRQG56g6XQAAAAAOgAAAAAIAACAAAABKoM2A9XKN0l5e_hBYOp5wUnGPFwi7dGabV76ySD-AHnAAAADueKKxwyI4FLsPkwtztqq2I3NT4wrNudRpN0exBG0Rkzv-vOQ4Ey7gWKsh6676OExovHsmQNN7h-7ypzcz73aL5eF2S0pn-FoceP67QSCvHIboGbwv1Al-Pwj0Uko9f3c-rYr0U7uFimGIt8e5OXrGQAAAAPo5KcKgFnhY6T514-Igh3SmzbFbKD9UHFrbCGuKUbFq88UZ7MWWJb-dQPvWvnEVzETSPzw2RfP41UPQYkaQ8P8' \
-H 'Connection: keep-alive' \
-H 'Origin: http://localhost:9000' \
-H 'Referer: http://localhost:9000/' \
-H 'Sec-Fetch-Dest: empty' \
-H 'Sec-Fetch-Mode: cors' \
-H 'Sec-Fetch-Site: same-origin' \
-H 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36' \
-H 'sec-ch-ua: "Chromium";v="118", "Google Chrome";v="118", "Not=A?Brand";v="99"' \
-H 'sec-ch-ua-mobile: ?0' \
-H 'sec-ch-ua-platform: "Windows"' \
--compressed
-X 'DELETE' \
-H 'Accept: application/json, text/plain, /' \
-H 'Accept-Language: en' \
-H 'Authorization: Bearer AQAAANCMnd8BFdERjHoAwE_Cl-sBAAAAAEpC-1_zUEKdfx07C0tXMwAAAAACAAAAAAAQZgAAAAEAACAAAABOFGgrutABiRhKF2dKhRWrqvLpISXlhhF9aRQG56g6XQAAAAAOgAAAAAIAACAAAABKoM2A9XKN0l5e_hBYOp5wUnGPFwi7dGabV76ySD-AHnAAAADueKKxwyI4FLsPkwtztqq2I3NT4wrNudRpN0exBG0Rkzv-vOQ4Ey7gWKsh6676OExovHsmQNN7h-7ypzcz73aL5eF2S0pn-FoceP67QSCvHIboGbwv1Al-Pwj0Uko9f3c-rYr0U7uFimGIt8e5OXrGQAAAAPo5KcKgFnhY6T514-Igh3SmzbFbKD9UHFrbCGuKUbFq88UZ7MWWJb-dQPvWvnEVzETSPzw2RfP41UPQYkaQ8P8' \
-H 'Connection: keep-alive' \
-H 'Origin: http://localhost:9000' \
-H 'Referer: http://localhost:9000/' \
-H 'Sec-Fetch-Dest: empty' \
-H 'Sec-Fetch-Mode: cors' \
-H 'Sec-Fetch-Site: same-origin' \
-H 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36' \
-H 'sec-ch-ua: "Chromium";v="118", "Google Chrome";v="118", "Not=A?Brand";v="99"' \
-H 'sec-ch-ua-mobile: ?0' \
-H 'sec-ch-ua-platform: "Windows"' \
--compressed