https://community.dynatrace.com/t5/Troubleshooting/HTTP-Monitors-How-to-sign-a-request-for-AWS-Signature-Version-4/ta-p/219868 <H2>Summary</H2> <DIV> <DIV class="paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol">Dynatrace <STRONG>HTTP Monitors</STRONG> do not currently provide an out‑of‑the‑box option for <STRONG>AWS Signature Version 4 (SigV4) authentication</STRONG>.<BR />When monitoring AWS services that require signed API requests, you can use a <STRONG>pre‑execution script</STRONG> to generate a signed <STRONG>Authorization header</STRONG> for your HTTP Monitor request.</DIV> <DIV class="paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol">This article explains how to <STRONG>sign HTTP Monitor requests using AWS Signature Version 4</STRONG> in Dynatrace Synthetic Monitoring.</DIV> </DIV> <P><BR />You can find more information on how to c<SPAN>reate a signed AWS API request, using&nbsp;</SPAN>AWS Signature Version 4, <A href="https://docs.aws.amazon.com/general/latest/gr/sigv4_signing.html" target="_blank">here</A>.</P> <P>&nbsp;</P> <P><LI-TOC indent="15" liststyle="disc" maxheadinglevel="2"></LI-TOC></P> <P>&nbsp;</P> <DIV> <H2>When Do You Need AWS Signature Version 4 with HTTP Monitors?</H2> <DIV class="paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol">You need to sign HTTP Monitor requests with <STRONG>AWS Signature Version 4</STRONG> when:</DIV> <UL> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Calling AWS APIs that require authenticated requests</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Monitoring AWS services protected by SigV4</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Validating AWS endpoints from Dynatrace Synthetic Monitoring</LI> </UL> <P>&nbsp;</P> <DIV> <H2>How to Sign an HTTP Monitor Request Using AWS Signature Version 4</H2> <DIV class="paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol">Dynatrace supports <A href="https://docs.dynatrace.com/docs/observe/digital-experience/synthetic-monitoring/http-monitors-classic/pre-and-post-scripting-for-http-monitors-classic#define-pre-and-post-execution-scripts" target="_self"><STRONG>pre‑execution scripts</STRONG></A> for HTTP Monitors, which allow you to modify requests before execution.<BR />This capability can be used to dynamically generate a signed AWS Authorization header.</DIV> <H3>High‑level approach</H3> <OL> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Create an <STRONG>HTTP Monitor</STRONG> for the AWS endpoint you want to monitor.</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Enable a <STRONG>pre‑execution script</STRONG> for the request.</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Use a JavaScript snippet to calculate and inject the <STRONG>AWS Signature Version 4 Authorization header</STRONG>.</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Update the script with your AWS credentials and request details.</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Save and test the monitor.</LI> </OL> <H2>&nbsp;</H2> <H2>Required Configuration</H2> <DIV class="paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol">To successfully generate a signed request, ensure the following values are provided in the pre‑execution script:</DIV> <UL> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf"><STRONG>Access Key</STRONG></LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf"><STRONG>Secret Key</STRONG></LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf"><STRONG>Identity ID</STRONG> (if applicable)</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf"><STRONG>Target hostname</STRONG></LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">All required HTTP headers for the AWS API request</LI> </UL> <DIV class="paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol">Credentials can be sourced from:</DIV> <UL> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">A previous request</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">The <STRONG>Dynatrace Credential Vault</STRONG></LI> </UL> </DIV> </DIV> <H2>&nbsp;</H2> <DIV> <H2>Pre‑Execution Script for AWS Signature Version 4</H2> <DIV class="paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol">The following JavaScript snippet generates a signed <STRONG>Authorization header</STRONG> for an AWS HTTP request using <STRONG>AWS Signature Version 4</STRONG>.</DIV> <BLOCKQUOTE> <DIV class="paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol"><span class="lia-unicode-emoji" title=":locked_with_key:">🔐</span> This script follows the AWS SigV4 signing process as documented by AWS.</DIV> </BLOCKQUOTE> </DIV> <LI-CODE lang="markup">/* This code generates a signed Authorization header for an HTTP request for AWS See the following for how to sign a request for AWS Signature Version 4: https://docs.aws.amazon.com/general/latest/gr/sigv4_signing.html */ // CryptoJS rollup code for HMACSha256 and Sha256 var CryptoJS=CryptoJS||function(h,s){var f={},g=f.lib={},q=function(){},m=g.Base={extend:function(a){q.prototype=this;var c=new q;a&amp;&amp;c.mixIn(a);c.hasOwnProperty("init")||(c.init=function(){c.$super.init.apply(this,arguments)});c.init.prototype=c;c.$super=this;return c},create:function(){var a=this.extend();a.init.apply(a,arguments);return a},init:function(){},mixIn:function(a){for(var c in a)a.hasOwnProperty(c)&amp;&amp;(this[c]=a[c]);a.hasOwnProperty("toString")&amp;&amp;(this.toString=a.toString)},clone:function(){return this.init.prototype.extend(this)}},r=g.WordArray=m.extend({init:function(a,c){a=this.words=a||[];this.sigBytes=c!=s?c:4*a.length},toString:function(a){return(a||k).stringify(this)},concat:function(a){var c=this.words,d=a.words,b=this.sigBytes;a=a.sigBytes;this.clamp();if(b%4)for(var e=0;e&lt;a;e++)c[b+e&gt;&gt;&gt;2]|=(d[e&gt;&gt;&gt;2]&gt;&gt;&gt;24-8*(e%4)&amp;255)&lt;&lt;24-8*((b+e)%4);else if(65535&lt;d.length)for(e=0;e&lt;a;e+=4)c[b+e&gt;&gt;&gt;2]=d[e&gt;&gt;&gt;2];else c.push.apply(c,d);this.sigBytes+=a;return this},clamp:function(){var a=this.words,c=this.sigBytes;a[c&gt;&gt;&gt;2]&amp;=4294967295&lt;&lt;32-8*(c%4);a.length=h.ceil(c/4)},clone:function(){var a=m.clone.call(this);a.words=this.words.slice(0);return a},random:function(a){for(var c=[],d=0;d&lt;a;d+=4)c.push(4294967296*h.random()|0);return new r.init(c,a)}}),l=f.enc={},k=l.Hex={stringify:function(a){var c=a.words;a=a.sigBytes;for(var d=[],b=0;b&lt;a;b++){var e=c[b&gt;&gt;&gt;2]&gt;&gt;&gt;24-8*(b%4)&amp;255;d.push((e&gt;&gt;&gt;4).toString(16));d.push((e&amp;15).toString(16))}return d.join("")},parse:function(a){for(var c=a.length,d=[],b=0;b&lt;c;b+=2)d[b&gt;&gt;&gt;3]|=parseInt(a.substr(b,2),16)&lt;&lt;24-4*(b%8);return new r.init(d,c/2)}},n=l.Latin1={stringify:function(a){var c=a.words;a=a.sigBytes;for(var d=[],b=0;b&lt;a;b++)d.push(String.fromCharCode(c[b&gt;&gt;&gt;2]&gt;&gt;&gt;24-8*(b%4)&amp;255));return d.join("")},parse:function(a){for(var c=a.length,d=[],b=0;b&lt;c;b++)d[b&gt;&gt;&gt;2]|=(a.charCodeAt(b)&amp;255)&lt;&lt;24-8*(b%4);return new r.init(d,c)}},j=l.Utf8={stringify:function(a){try{return decodeURIComponent(escape(n.stringify(a)))}catch(c){throw Error("Malformed UTF-8 data");}},parse:function(a){return n.parse(unescape(encodeURIComponent(a)))}},u=g.BufferedBlockAlgorithm=m.extend({reset:function(){this._data=new r.init;this._nDataBytes=0},_append:function(a){"string"==typeof a&amp;&amp;(a=j.parse(a));this._data.concat(a);this._nDataBytes+=a.sigBytes},_process:function(a){var c=this._data,d=c.words,b=c.sigBytes,e=this.blockSize,f=b/(4*e),f=a?h.ceil(f):h.max((f|0)-this._minBufferSize,0);a=f*e;b=h.min(4*a,b);if(a){for(var g=0;g&lt;a;g+=e)this._doProcessBlock(d,g);g=d.splice(0,a);c.sigBytes-=b}return new r.init(g,b)},clone:function(){var a=m.clone.call(this);a._data=this._data.clone();return a},_minBufferSize:0});g.Hasher=u.extend({cfg:m.extend(),init:function(a){this.cfg=this.cfg.extend(a);this.reset()},reset:function(){u.reset.call(this);this._doReset()},update:function(a){this._append(a);this._process();return this},finalize:function(a){a&amp;&amp;this._append(a);return this._doFinalize()},blockSize:16,_createHelper:function(a){return function(c,d){return(new a.init(d)).finalize(c)}},_createHmacHelper:function(a){return function(c,d){return(new t.HMAC.init(a,d)).finalize(c)}}});var t=f.algo={};return f}(Math);(function(h){for(var s=CryptoJS,f=s.lib,g=f.WordArray,q=f.Hasher,f=s.algo,m=[],r=[],l=function(a){return 4294967296*(a-(a|0))|0},k=2,n=0;64&gt;n;){var j;a:{j=k;for(var u=h.sqrt(j),t=2;t&lt;=u;t++)if(!(j%t)){j=!1;break a}j=!0}j&amp;&amp;(8&gt;n&amp;&amp;(m[n]=l(h.pow(k,0.5))),r[n]=l(h.pow(k,1/3)),n++);k++}var a=[],f=f.SHA256=q.extend({_doReset:function(){this._hash=new g.init(m.slice(0))},_doProcessBlock:function(c,d){for(var b=this._hash.words,e=b[0],f=b[1],g=b[2],j=b[3],h=b[4],m=b[5],n=b[6],q=b[7],p=0;64&gt;p;p++){if(16&gt;p)a[p]=c[d+p]|0;else{var k=a[p-15],l=a[p-2];a[p]=((k&lt;&lt;25|k&gt;&gt;&gt;7)^(k&lt;&lt;14|k&gt;&gt;&gt;18)^k&gt;&gt;&gt;3)+a[p-7]+((l&lt;&lt;15|l&gt;&gt;&gt;17)^(l&lt;&lt;13|l&gt;&gt;&gt;19)^l&gt;&gt;&gt;10)+a[p-16]}k=q+((h&lt;&lt;26|h&gt;&gt;&gt;6)^(h&lt;&lt;21|h&gt;&gt;&gt;11)^(h&lt;&lt;7|h&gt;&gt;&gt;25))+(h&amp;m^~h&amp;n)+r[p]+a[p];l=((e&lt;&lt;30|e&gt;&gt;&gt;2)^(e&lt;&lt;19|e&gt;&gt;&gt;13)^(e&lt;&lt;10|e&gt;&gt;&gt;22))+(e&amp;f^e&amp;g^f&amp;g);q=n;n=m;m=h;h=j+k|0;j=g;g=f;f=e;e=k+l|0}b[0]=b[0]+e|0;b[1]=b[1]+f|0;b[2]=b[2]+g|0;b[3]=b[3]+j|0;b[4]=b[4]+h|0;b[5]=b[5]+m|0;b[6]=b[6]+n|0;b[7]=b[7]+q|0},_doFinalize:function(){var a=this._data,d=a.words,b=8*this._nDataBytes,e=8*a.sigBytes;d[e&gt;&gt;&gt;5]|=128&lt;&lt;24-e%32;d[(e+64&gt;&gt;&gt;9&lt;&lt;4)+14]=h.floor(b/4294967296);d[(e+64&gt;&gt;&gt;9&lt;&lt;4)+15]=b;a.sigBytes=4*d.length;this._process();return this._hash},clone:function(){var a=q.clone.call(this);a._hash=this._hash.clone();return a}});s.SHA256=q._createHelper(f);s.HmacSHA256=q._createHmacHelper(f)})(Math);(function(){var h=CryptoJS,s=h.enc.Utf8;h.algo.HMAC=h.lib.Base.extend({init:function(f,g){f=this._hasher=new f.init;"string"==typeof g&amp;&amp;(g=s.parse(g));var h=f.blockSize,m=4*h;g.sigBytes&gt;m&amp;&amp;(g=f.finalize(g));g.clamp();for(var r=this._oKey=g.clone(),l=this._iKey=g.clone(),k=r.words,n=l.words,j=0;j&lt;h;j++)k[j]^=1549556828,n[j]^=909522486;r.sigBytes=l.sigBytes=m;this.reset()},reset:function(){var f=this._hasher;f.reset();f.update(this._iKey)},update:function(f){this._hasher.update(f);return this},finalize:function(f){var g=this._hasher;f=g.finalize(f);g.reset();return g.finalize(this._oKey.clone().concat(f))}})})(); /* Build a signature key that is used to sign data https://docs.aws.amazon.com/general/latest/gr/sigv4-calculate-signature.html */ function getSignatureKey(key, dateStamp, regionName, serviceName) { var kDate = CryptoJS.HmacSHA256(dateStamp, "AWS4" + key); var kRegion = CryptoJS.HmacSHA256(regionName, kDate); var kService = CryptoJS.HmacSHA256(serviceName, kRegion); var kSigning = CryptoJS.HmacSHA256("aws4_request", kService); return kSigning; } AccessKey = api.getValue("AccessKey"); SecretKey = api.getValue("SecretKey"); awsService = "execute-api"; awsRegion = api.getValue("IdentityId").split(':')[0]; now = new Date(); dateStamp = now.getUTCFullYear() + (now.getUTCMonth() &lt; 9 ? '0' : '') + (now.getUTCMonth() + 1); dateStamp += (now.getUTCDate() &lt; 10 ? '0' : '') + now.getUTCDate(); signKey = getSignatureKey(SecretKey, dateStamp, awsRegion, awsService); api.info('Signing key: ' + signKey); /* All the headers that need to be signed (non-default headers) and in alphabetical order by name. I manually sorted the header order, but this code should have a function to sort them by name in lowercase. */ host = '&lt;some hostname: e.g. - www.d5.google.com&gt;'; amzDate = dateStamp + 'T' + now.toUTCString().split(/ /)[4].replace(/\:/g, '') + 'Z'; SessionToken = api.getValue("SessionToken"); // this section must list all the headers that will be added to the request headers = [{ "clientrequestid": "P123456789" }, { "content-type": "application/json" }, { "deviceid": "5555555" }, { "Host": host }, { "X-Amz-Date": amzDate }, { "X-Amz-Security-Token": SessionToken }, { "x-api-key": "abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd123" }, { "x-clientapp-version": "1.2" }, { "x-device-id": "89406" }, { "x-originator-type": "app" } ]; /* Building the canonical request and adding the headers to the HTTP request https://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html */ // HTTP Request parameters method = "GET"; path = '/v1/accounts/vehicles'; queryStr = ''; payload = ''; payloadHash = CryptoJS.SHA256(payload).toString(); signedHeads = ""; canonReq = method + "\ " + path + "\ " + queryStr + "\ "; for (i = 0; i &lt; headers.length; i++) { name = Object.keys(headers[i])[0]; value = headers[i][name]; signedHeads += name.toLowerCase() + ";"; canonReq += name.toLowerCase() + ':' + value + '\ '; request.addHeader(name, value); } signedHeads = signedHeads.substr(0, signedHeads.length - 1); // remove last semi-colon canonReq += "\ " + signedHeads + "\ " + payloadHash; // Hash of the canonical request canonHash = CryptoJS.SHA256(canonReq).toString(); api.info('Hash of Canonical request: ' + canonHash); /* Building the string to sign https://docs.aws.amazon.com/general/latest/gr/sigv4-create-string-to-sign.html */ signStr = "AWS4-HMAC-SHA256\ " + amzDate + "\ " + dateStamp + "/"; signStr += awsRegion + "/" + awsService + "/aws4_request\ " + canonHash; api.info('String to sign: ' + signStr); /* Signing the string https://docs.aws.amazon.com/general/latest/gr/sigv4-calculate-signature.html */ sig = CryptoJS.HmacSHA256(signStr, signKey).toString(); authString = 'AWS4-HMAC-SHA256 Credential=' + AccessKey + '/' + dateStamp + '/' + awsRegion + '/' + awsService + '/aws4_request, SignedHeaders=' + signedHeads + ', Signature=' + sig; api.info('authString: ' + authString); request.addHeader("Authorization", authString); </LI-CODE> <DIV><span class="lia-unicode-emoji" title=":warning:">⚠️</span> Make sure all required request headers are present and correctly configured before saving the monitor.</DIV> <DIV>&nbsp;</DIV> <DIV> <DIV> <H2>Validation and Testing</H2> <DIV class="paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol">After configuring the pre‑execution script:</DIV> <OL> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Save the HTTP Monitor.</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Execute a test run.</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Verify that the request completes successfully and returns the expected response.</LI> </OL> <DIV class="paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol">If the request fails, double‑check:</DIV> <UL> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Header values</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Credential configuration</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Hostname and endpoint details</LI> </UL> <P>&nbsp;</P> <DIV> <H2>Important Notes</H2> <UL> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">AWS Signature Version 4 signing is <STRONG>not available out of the box</STRONG> for HTTP Monitors.</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">The signing logic must be maintained in the pre‑execution script.</LI> <LI class="___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf">Any changes to the request (headers, method, endpoint) may require updating the script.</LI> </UL> <P>&nbsp;</P> </DIV> </DIV> </DIV> <H2>What's Next</H2> <P><SPAN>If none of the previous steps resolved the issue, you can </SPAN></P> <UL> <LI><SPAN>open a chat, or support ticket, and provide a link to the affected monitor and the troubleshooting steps you have already completed. Support can help spot errors in applying this snippet or give you pointers. <BR />or</SPAN></LI> <LI>talk to your Customer Success Manager, or account team, and discuss getting some scripting assistance.&nbsp;</LI> </UL> <P>&nbsp;</P> <H3><SPAN>Related reading</SPAN></H3> <P><SPAN><span class="lia-unicode-emoji" title=":open_book:">📖</span>&nbsp;&nbsp;</SPAN><A class="" href="https://community.dynatrace.com/t5/Troubleshooting/Synthetic-Troubleshooting-Map/ta-p/250426" target="_blank" rel="noopener">Synthetic Troubleshooting Map</A></P> <P><span class="lia-unicode-emoji" title=":open_book:">📖</span>&nbsp;&nbsp;<A href="https://docs.dynatrace.com/docs/observe/digital-experience/synthetic-monitoring/http-monitors-classic/pre-and-post-scripting-for-http-monitors-classic#define-pre-and-post-execution-scripts" target="_self">pre‑ and post‑execution scripts for HTTP Monitors</A>&nbsp;</P> <P><span class="lia-unicode-emoji" title=":open_book:">📖</span>&nbsp;&nbsp;<A href="https://docs.dynatrace.com/docs/observe/digital-experience/synthetic-monitoring/general-information/synthetic-authentication" target="_self">Supported authentication methods in Synthetic Monitoring</A>&nbsp;</P> <P><span class="lia-unicode-emoji" title=":open_book:">📖</span>&nbsp;&nbsp;<A href="https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_sigv-create-signed-request.html" target="_self">Create a signed AWS API request</A>&nbsp;</P> Wed, 29 Apr 2026 12:43:23 GMT HannahM 2026-04-29T12:43:23Z https://community.dynatrace.com/t5/Troubleshooting/HTTP-Monitors-How-to-sign-a-request-for-AWS-Signature-Version-4/ta-p/219868 <P><LI-TOC indent="15" liststyle="disc" maxheadinglevel="2"></LI-TOC></P> <DIV class="lia-message-template-content-zone"> <P>*<EM>Use a table of contents for longer articles.&nbsp;</EM></P> <H1>Summary</H1> <P><EM>*This is a mandatory section.</EM></P> <P><EM>Short description of which part of the Dynatrace platform the article refers to and what kind of problem it will help resolve / task it will describe.</EM></P> <P>&nbsp;</P> <H1>Problem</H1> <P><EM>*This is a mandatory section.</EM></P> <P><EM>Provide a precise description of the problem / task to be described.</EM></P> <P>&nbsp;</P> <H1>Troubleshooting steps</H1> <P><EM>*This section can be omitted.</EM></P> <P>&nbsp;</P> <H1>Resolution</H1> <P><EM>*This section can be omitted for ticket‑creation articles.</EM></P> <H1>What's next</H1> <P><EM>*This is a mandatory section.</EM></P> </DIV> Wed, 29 Apr 2026 12:43:23 GMT https://community.dynatrace.com/t5/Troubleshooting/HTTP-Monitors-How-to-sign-a-request-for-AWS-Signature-Version-4/ta-p/219868 HannahM 2026-04-29T12:43:23Z https://community.dynatrace.com/t5/Troubleshooting/HTTP-Monitors-How-to-sign-a-request-for-AWS-Signature-Version-4/tac-p/220774#M284 <P>Hi,</P><P>I have just tried ant returns a 403:</P><LI-CODE lang="markup">"healthStatusCode": 6, "healthStatus": "INVALID_CODE", "responseBody": "The request signature we calculated does not match the signature you provided. Check your AWS Secret Access Key and signing method. Consult the service documentation for details"</LI-CODE><P>I have just tried it using Postman and no problem. AWS keys are correct.</P><P><SPAN>Best regards</SPAN></P> Wed, 16 Aug 2023 12:30:41 GMT https://community.dynatrace.com/t5/Troubleshooting/HTTP-Monitors-How-to-sign-a-request-for-AWS-Signature-Version-4/tac-p/220774#M284 AntonPineiro 2023-08-16T12:30:41Z https://community.dynatrace.com/t5/Troubleshooting/HTTP-Monitors-How-to-sign-a-request-for-AWS-Signature-Version-4/tac-p/220776#M285 <P>Thanks Anton. Can you create a ticket? I think we would need to check the exact code being used in each case.&nbsp;</P> Wed, 16 Aug 2023 12:33:21 GMT https://community.dynatrace.com/t5/Troubleshooting/HTTP-Monitors-How-to-sign-a-request-for-AWS-Signature-Version-4/tac-p/220776#M285 HannahM 2023-08-16T12:33:21Z