The following request continously get 429 error though retried after a long time ( > 300 seconds) .
I also found that it takes 30 seocnds to get response after requested.
What's going on ?
curl -v -X POST https://api.dropboxapi.com/2/files/list_folder/continue \
> --header "Authorization: Bearer <access_token>" \
> --header "Content-Type: application/json" \
> --data "{\"cursor\": \"AAFrr_QzegXsblulVY0R6ikcQCp4S5PADdTwf6MgU8ezxuIGcEOEQMFLhqShMdYDz5iKCbiaDYD9HK2Z6Ry8yGUKsT1MkvdDj27kFH4seltD0XZNbPwYRfOzZB8dtpy9Lefv5JDspga4vMyaTCAhQ9IeGXeIrucaF5RHIAfnUAz78hTWM0rbBC0IsVFhYaFNpgbZXcEnzwuaPxPRfbPJPlicmhUCGWy60h4vuHteCgt6zXeYGGcNBvwMib17Ut_tNjN1V4o5hwfEgPVhuTsmujaVSixdkCtBHCPrqOSg0mNKIA_7NXbzLLQLKa9xDnmCFvAMMeRdK9lzZ8NVQ-37oe2-Z4J-CW7GB3jEQPRJcxeDhKvQNR0zlZ0M-eNOFl6zp2W1atCFDSYmRw1MTllKhSLctZnLYQpQtRS99c4UbO4QJ_10PhrjrefZbtiIAvWuEZTGOLZqRBGFc7iBPz5EAdB1xz-5JMceTX0eSZ8ZsXIXTCgGJ1p9s-Vpgg9o8ia3lM64n0a69bUpLwHRhb0XP8H77j_z-adeZXHKVlyI0NaWzCpRsVfJ8yWnXwXQ3aw9GDbK9OkDoGGhZoZ3ShsClyQrPokE3uNqoeXCl1xVGL7dU7qoR8V1Eja1dN-ExewUNlw0qujKXAV6d7CeBfvELmewhEAuoSvGv_Fw4wZLHZihiAsS01s6KbOxApz1behqTVuTlHX3uEUQQuFOPvCbOsvqTqp5m83JEbZZXSgTntQohe8eMZGheL147MCNTXbbUZ49bl2FsqA6qMjJg8JUsM7GowaTWfNguyz-IjaOTK8o0ptoi2IlVDb4NCOZsaalfAderuUpldhxLfTWWIsxM-ldSu5ljtZHzL0YsCYQQAAZpTYPH_vgrFdoskZ2ynWlWpGFlpIEDHPQD7u9uk0_WOUpB5HIex0TBtPoS_DN4r2fDwrQzwSoHYNQNbdtFMq50K4rjXy8p2fxqAw7mq9303N_1h7LenkxIbAlVrOHKz18nPsI1XnLp7bwgWsW54b_1sWRfr-MXedK_y2jK1Fly3VeVgULb-vv9UGGPxWSk9Vgw6JHFyB-0A-q8ZjitEln-ikgCOxng67q1XSkp2izvqDL_wNlWkTQn8hEO6jiwBqDDixMO_0uGdRQcQV-1VH4yy_Adm-380BTDBeLEp_sdA3w8jQzfE2S6MYAj6gYDaXSzhSgR_vIMgS8hdDvycVoFb9dZGg5K6AZXmmZQgMbtemCJEc0im_I3NuudyfPCyKmfIWWK2OX-skebcoGgNwBXLbFXFxYQ0h5HN6Zx7a3O1GmAnTaKsr7ejxv50dOEj7e6jmWKbcrOGfR-_KpU_4D_XVLKcBtsgyP6oVfV6M8pP32wzhwt8kOhMxLVj-RyhMH-XhXBF4UK8Dwh563f0PV42UZon6BoLHE9OLU_VmWinfIwxaAn7bHjDgXADGsY9mvkCFwBepny3Gd7RE07zy-KOxVfQcgRs_e72XuBV5-zoG_oLUkSP_orcaAqksxontJ4--0wNminhCgvbBzWdEx33CjF7VcmT0XZJAwNHJvT9I-Z-FVK3rNJhHZp_yqrdkmQwMDRTKdy6IAWXXQwmVYOlPDlw2ReGnLM_P8ZB5yU-W7D0X3AQUNMx4UfWCqzgFpWzlWmSXhDhlPrmiq28DQBOFxr6eEiIwnOCPwC1iiAoZe1uwF0Il-psp4t9Wx49WC_-oRz37MkhUslIsD4McMzUtT3nt1UJFRgvXhRPvy1RTi0hiLcSttxSIK29e9v1Yfn2H-dcG-s5H1a41nH3b2fgjOns6KSPx-8pYbUfhfdbsz9by5MuyZ8YL8jH3b9PbJDiMnNXMIQJBgf6Pfp6xG1oK5_Jyjm2SqBf1gh3hmV1D-3AHe4bb_qFPalmh6Ir3U8twyaPhiutih6hJ5jDfsPuP1Dx4sHlfqtZ-uKAslkSSJketNPKr7YaNZ9R3uKjfUnAVWEIA21asDofjHIfqSUnKhQ1dt2F5IhldRyWEYB7YVkJcRlrbzwrFwryR7Xb9ZvgxUwu_QxJckxXLEAH6SJmUSUyCvCERykDz0JgC8Wgj8kBoWOrgdK9J1uCz6AfFgF8PkElGLHPL5lnM8i5jojAO3kh1wydrG2dTSKQpbJ34LYXF7cYC0wsPgFZ2m3oem9QPfpz6YjrDrQRRrZZPiG9oROGl54J5rXhSZQJM25cC6z8paSgv141a26jCHeDskUj2bh9JlmBh9eZbGPg_1yHSQbsoIDzkeQcQrEprafp3ej4fz0jNZlwvWBZIrWwitFz1Pu3siik5Ad8CHC3MFuPwJB5xLZYEsb35G3KkTZCNMF50udqTm1cd0Ol2Qlv0-ahrBgbWv69WC5Oo80zYuW81bYxWz7pqK-wI3ysDNUSID4Y5MPEorKqVN3D8WNMt7dI3ZQ7BVxkt6OALMkb3oUM71QDhYl8MCQ4nVjpcJMoGYU43wTLjgnSc4puhWnp-VAeb9IFKApvBphQ8kGMSNP506ERUo6V_aIT5kORWM-CFCOFwk2XnILHVMUeI_C4snqt3VX17QghsBddStU7uNBsjl3PTBiRUjXw-FgCZTnggK1TNBSflUjm11CBiY5DWIa8qHluEnbTiK6ItLt0ycao6_OwSc8lKuisSYnErGLoavhKVyMKkLyq2ceYCXf_cwFISsUCQ3F9LokPcGbxyKUCSAY0lhcdgwKmwhWKPaCE27-UXjPX9n9XnWp2B2Q33s4g4bWhD7GoW_DeYlUoJpCCfblfmA8C6Q-BLfyWxdYZbgtMURX77SxzQGfqmGdlojBycz-cPeZQNnH2Jlfp_wLQTapS597hCSFPNeDkWdjJQeEi9Y02PvL5L-IL3Obg-u9k3i-Aybp4brwU4fAIvJUuDkQY2uXZbrcVBJMe8tPOhQgAiudd-YxojuGDGUOfu1IdqmlAdp16Mj65_j2kXt3c1_huGR8DwVMcGnbzTs7MZMQ9vLcQ1u6u3pAtFhbKl_IbtV8Du--YZpngY0mjJisLe0XpCh6zehDFkWHQStrm94pC_qx0gGJmPEN0bHAEjDZadLkUhoeU16VYBWmsMkeZcgbJxaBHHMqRJdp4lcgZrNMlJ1Kyntq-o39vnHJg44YttN-HErX1hZswy2FBV0DocCx189pPtRCn4qnS2f9y_kLAGFngIA4jHpwM0-3hFi6bSRq1trhxLxnifJEHb3O2nqCckteHBCj4yYGZr7AHjL67VoUJgip3Xm4zRLQrrELTBWhlKNVBBkWOGnW5HsHDJ5gGBNld5svcOiNrTjXLtlxsYscfYLSOC8E7TS0eDX5AknvsZvv42a31Ry27ZSSgkqr4hN3rb4mm59g95stB43TEQr77wcx6d2MEvIpJZ1x3wKYyovpgREgTdg7kA64kFl9t5kDf3yn7Ee8p3hkEwcHJc5viCYjeQlDrV02oZO9eV7P-8Py4S7bhyAHnfqiHSc1xsDhDZYYCurFKBmUJg8VEaQj8BHjj1z0eNesrnOVERzBSyk9aTElBTlhgjkELHZKZlyZBZgANs_NhyNYSQIIqvaX2AGh9oGrPIGMEfOCHUMCUtYCVmqB-ZJxNvBWRST1y5bS8Pmj5GV_RVMbIyginVf94vUiNgjnJ8sS7EEGMnDuPEgKcsvJDy6MLhzOX-a5R1XW358i1wz-T52cOD_2fBc3KBQWPqztC_2RpIgQhO_JhJoFD4WpjHFIUHlqldFn-HlwmLdJw0gk4U62eEqPRWHfZkhq9LjBFh-tdTw3Tx03EMuri1WKqDZY6uSNL6ON0vwXbTF-rJAbHxJ64dOoGrs8i_oop3Sxq0JJ_57lgz1H23g2tjYRR-6CI6ff58TkBynEaOIP3MVNIeB9euPjhXxCjn0YXyA3xt40geyHMxrxz2i0MfsmxNeZjEiTT2zE6JFo4B31QE6a_dby3_onJHrV4huvckk7bqlPzjm_B7GV0cQz3b5KsxOVZczAKbRXtnHiWC40sM6WEUI_yUVO_e8Fg7T5GVaErrK-6u-6tjieTPh1azK76R8cgM4WQDZQDAY-1PKn6akyCE27MmNzCw3OXWEQv_GMhB3_yAUJ5XV6k-Z68DMQpPPPiC3Dz6mXin6LYOG7LVsCvmCwu0iiiMtgWYWttzxZRlfrB0Zp-Aah8r7bIssZBbbZ_14FkcQqDGM3wsUgW8RQurEQerBK-RaSNm-TgwlWzMWv7mGNzw9Ngn0SgLfYAK9rMlt-Tgyr3gvvv0IA9fSTIuY2QAUmt6CEMLFG_v2v49XjpI_FVOWLkH8IpQT3N0vWwM8iB48yDySBDBob84UawErFkq-4FD0wq79sJIJwE-U_Ae9kD4pD4aPLGmoP7LdcNYeq8LqfGHsZYsr-GTMOgcWb23Py3diVtkO_J08RIyz-r-SoBUBpiAZ3rMbZ68PIHFqJmwtK6lCffJDFVnkO0JmkwFmLpKkbsMxgz6laOH2-TaygFeSYaxd3R7uyG5NNgUlUYtWbjr5L5UKWb9itFxRnMwMiMb1rV-z08VSjcw3GyW0Emf8IdQtAUw__Q0khGz1sZR6ZoDsTHZXgDuxfyLi34qLNgpPEk_-Z7HWZa85tWYuimNmN6LaTVN3SJXiAfFs1Vp7EpiCmDtXvB9FbzrxVJD9cwsmePN7OaTTUUNDjsdcuXVe-KTLH4uW4DXVTFEGq_d3RyxyULU3XEsBBUrVuJkvl4wF3P2Tnvs7JV0FWS4D0N9wM0DSOQ6SqPdTq7CZn0Meg0LKHA55tGGmvhwyou2ZDA7dFIxsDpd4ZrzGLkhuge2BcG_RW4_5eWhob5ASpeybZqBd1Xo-zhuPB6UdoA38DM71sEBXuM0FpX1o2mlWRiBIlSSfTsfFrJG_uPZ8q1-FB7qCyhpPUWf1l9CQwa650FFEUJqd8wjuZ7zPZd8lbox6LKgu_g_vIaBXz3bN57Oq8CYyJ0cLdl4F_BhJE0olkoIsCwe6E7IE3_o7vUYyMGuWAPu60OH6LK1buGvnWykU0p_jtv4WLSFNpNHDCEiNPDbWmLBCCRgqhsXIZp36GUWf4gsljl9gBeOc_RubQDAvjVgzkeoV4dv3AobImAYc2yBGi47KuwAkl9acOn7ru7enr9teFt4ndXLD8VMxT0EooZDcEJ8RATrCnTy1AVfNU43fjKeucm76AW_2D9eDQe4zoo6czXJYp90U1t5guHPx0YIxx-c35KUh01J88LeUtAFjn-rOcFcsR9TlvbDYbdJOvvgoZGUZa7YyGG5fvxXcfI08IlQGAmI73JN17IsVtAMRSU_2L32L-8p6OyvdPS-kGsS566x_iN7y8fEl2PXOXh5D9SgrEBb60JdP73-kzkqWGWlyGCoBWz0Q7tajYGO_xL6waQW38onbrDx8zpilrjD2pdB-r69ZIfBhTNGVXMLOw17BIQgSTHK2JZZlnu93lR5jPwuGJ6yb3g-erYLoubuTA9lCMQk4Nv3afDb95E05tc3XP9Cc7I9TFSlfH6elwhdjgPwoJiXBJDfM4pRGXAJmPRuvTa5vPAH7EbT38Hn4Ocb1nGPJgbTYE5CW7G5UWryMxRz91otv8ljVgrnhMFSNHcZFEaBTmZ9HwRpe2FUPu7JPja8LiYbyZ-JHVZ3bbrxRKH0RjHlKjruxVnjZlhc7QqdOhSyRCzWZBDUWKlfkAPKmqti0D5a0ihdU-DTYxVVcezEOky9shEdIRMYxlvBhAf9Nmfb4D7AD5ThOBBCrnx4biBuK6ahfGOFo6EI5TJoejyzY4p6GV-yY4Mei56hpZt1OquZEdNk4PfOzP9hJST0pO-33Xjx-89YyFm2rx0TYsA4fc6ktAmzZjXJx1WQlbrySiRtbaedcsFHexs_h194f_4mwyDGw01UpC8jtCGdBCPC4EZh68yRT6Q1su6tvZbPU8ImM0zoavKkFAYSoAjF8tFWuQozLpTMevuLCMa7d_JSI410mv5OFu3xu7EnUzxDVHEUj7hzUK_uw0IDlQBsMy3wim0KQNDUy85RG46R3JQ2JgWN6oAz7EhpHVeoSnXKG-6VJNP3Xe-dmKYqwVZSfrMnZnobzs9XsLsz3VMzT3YO5d5i4ivWemrciDWsoo3Of9Xlb_suZq9ME\"}"
* Hostname was NOT found in DNS cache
* Trying 162.125.82.19...
* Connected to api.dropboxapi.com (162.125.82.19) port 443 (#0)
* successfully set certificate verify locations:
* CAfile: none
CApath: /etc/ssl/certs
* SSLv3, TLS handshake, Client hello (1):
* SSLv3, TLS handshake, Server hello (2):
* SSLv3, TLS handshake, CERT (11):
* SSLv3, TLS handshake, Server key exchange (12):
* SSLv3, TLS handshake, Server finished (14):
* SSLv3, TLS handshake, Client key exchange (16):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSL connection using ECDHE-RSA-AES128-GCM-SHA256
* Server certificate:
* subject: C=US; ST=California; L=San Francisco; O=Dropbox, Inc; CN=api.dropboxapi.com
* start date: 2020-09-03 00:00:00 GMT
* expire date: 2021-09-14 12:00:00 GMT
* subjectAltName: api.dropboxapi.com matched
* issuer: C=US; O=DigiCert Inc; OU=www.digicert.com; CN=DigiCert SHA2 High Assurance Server CA
* SSL certificate verify ok.
> POST /2/files/list_folder/continue HTTP/1.1
> User-Agent: curl/7.35.0
> Host: api.dropboxapi.com
> Accept: */*
> Authorization: Bearer <access_token>
> Content-Type: application/json
> Content-Length: 6118
> Expect: 100-continue
>
< HTTP/1.1 100 Continue
< HTTP/1.1 429 Too Many Requests
< Content-Security-Policy: sandbox allow-forms allow-scripts
< Content-Type: application/json
< Date: Wed, 04 Nov 2020 07:01:03 GMT
< Retry-After: 5
* Server envoy is not blacklisted
< Server: envoy
< X-Dropbox-Request-Id: 642b04bb771d4ec79ba3fc8e28eadb83
< Transfer-Encoding: chunked
* HTTP error before end of send, stop sending
<
* Closing connection 0
* SSLv3, TLS alert, Client hello (1):
{"error_summary": "too_many_requests/..", "error": {"reason": {".tag": "too_many_requests"}, "retry_after": 5}}