Troubleshooting 403 Error in HTTP API Column of Clay Table

·Jul 28, 2025 11:24 PM·
Hi team, i am using a HTTP API column in my Clay table to send data back to my application in JSON format but running into the following error. I also added the JSON content type request header. However, the request doesn't seem to go to my backend. If I issue a curl with the same fields in my backend the request works. Can someone please take a look and help me find the issue?


Clay received a 403 error from the API with Content: <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji"}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;padding-left:1.5rem;max-width:60rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{line-height:2.25rem;font-size:1.5rem;font-weight:500}@media (width <= 720px){.h2{line-height:1.5rem;font-size:1.25rem}}#challenge-error-text{background-image:url("data:image/svg+xml;base64,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");background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme: dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="360"></head><body><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt = {cvId: '3',cZone: 'dev3-api.zams.com',cType: 'managed',cRay: '9667e5b0aa557000',cH: 'slX.vh17Sw.e0IwK.ANdAnAxZf6gNeBKculaCVARbPI-1753742625-1.2.1.1-2.i7lTrECeJm_q9nea1OaMqtqESav9mL4X.88LnFhbA9WdwP8yTW.ZK8SHLB397K',cUPMDTk:"/api/clay/webhook/test?__cf_chl_tk=pZSTL_K1MWYPuH70QvjkEwroHAXIyazM1bkLRC2l158-1753742625-1.0.1.1-l5NWkMqbkvFK0bThIomDuCFdj.RcqNSPQ3NnEDMjvgw",cFPWv: 'b',cITimeS: '1753742625',cTplC:0,cTplV:5,cTplB: 'cf',fa:"/api/clay/webhook/test?_cf_chl_f_tk=pZSTL_K1MWYPuH70QvjkEwroHAXIyazM1bkLRC2l158-1753742625-1.0.1.1-l5NWkMqbkvFK0bThIomDuCFdj.RcqNSPQ3NnEDMjvgw",md: 'zJbv7dE9v9D0ESkJ59B7kTMc95AtSz3G8pOXG6g5EmQ-1753742625-1.2.1.1-XKz3NcCZ9mt7P1XdKcAkcZSkxcHWCkBTj_qfMss7CG7cpzYh3TeKMcPSwx9d8nii50Nje5TzAxZdEDR.JTn9o5Dxdpu8yY8HOJMpFkQ0vElRl4cyVwvJxBTJlyVhGDYc1.TYP.qjOT7iQ8xmBrCyGzQqgVoOleP0Z0ff8fziYRXYcc6flGLqwBMXXXYXtKiqrKQ74I8Vsikw9sQvI1G_prNM_gi5Ezemdc3f5HT3qvsrU8HBrwWaHmrscsaYrAGCmz5a6.Ao2L.ojjzNUd2dJIr1oE_hGDSYf.aqtDL6zakBXhKST4w2GLrNRw0ycBW4Ia.lwccBoZOL_M3b5ZyT0af836cf8gdAd9L2aSq251Vo2Ps6TWUQgcOk1FLX3tO.dCHOqY7FHPW1csRa_yTUlWmp9RPw.S3Hw_4niW7dGVmRBNZH1tU4nASXt_pa3Jln6bw.MFi6Hstb2t.sT8Lw41WRVyAnLwdcCTfvJ69gRuoddZH.p0ciXLmhM_cTMoHMo4svYq3mxNaNfbbr6D9sFmYxw4VwCdyM0azQL0i9DiyuKP7h0KEGITielY16l9BEQcKErVeHGNerzuGPI0cbekMxFRJ9Kg.AesFLMUFAYbBU1uC.ZEvBw_tUfobT7bo8hq2y1oAglUErIxdabd0f8GoAt37o05Qh6VeRphu292teLAJUcAfrxWXNSKj5Kke8BHIdMDxTSsfSSOwauzUIzNzei.kGvy9jc0M156KzuxDWdHOnZ7Ix.1KIxhVDEXAMD9BWnErv.Ka5TBE9nKAxzf5JrA32xM4prt9f.zkLSjVa.kSfaL4_0169oezs7RsCRs6YYlXaK1IGp5V6Hbq5hWJ3yzBxZvCMbJOwlNU9eNVYs6aQpuDBoP2O0GSjFYj5w5up7V8mvEiwSVKk3obo6GyVQzGYh79gze7RNhtW.5EIteliVB4kn0o1E9BYoX.a4lV5ysZhD0fJ00BEEZ5D3POpI5jgPArfQUP_C6Iv7zczjESUmdiKvAioL8YxyrId9myWsSB3qbkYUZRHV44zTbzAVjhQlDb.ZOmqprzmV1kq7QYQIexq3w66KiL2mR34kEUF3CxfhJ1.Mjf_S6Y9mJi.jALTDK3YN5dbH3nEuvE.f7lFWIAQpnVfj2FyYiyD_cy5TlVoDHRFtoQsRNA...Y_UBYCKFgyLSJjRdf.ec',mdrd: '',};var a = document.createElement('script');a.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9667e5b0aa557000';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null,"/api/clay/webhook/test?__cf_chl_rt_tk=pZSTL_K1MWYPuH70QvjkEwroHAXIyazM1bkLRC2l158-1753742625-1.0.1.1-l5NWkMqbkvFK0bThIomDuCFdj.RcqNSPQ3NnEDMjvgw"+ window._cf_chl_opt.cOgUHash);a.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(a);}());</script></body></html>
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