Why can't I call my AWS API Gateway REST API using a GET request with an application/json HTTP body? CloudFront returns an error:
"Bad request".
The GET method is configured with proxy integration for the Lambda backend, so should just proxy the request through.
However, calling the POST method, with the same headers and HTTP body, yields a result.
$ curl -XGET --json '{"n": 5}' -H 'Authorization: Bearer foo' -H 'x-gateway-authorization: Bearer bar' 'https://a5t0qb2tfg.execute-api.eu-west-1.amazonaws.com/prod/fib' git:(main|✚18…7
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<TITLE>ERROR: The request could not be satisfied</TITLE>
</HEAD><BODY>
<H1>403 ERROR</H1>
<H2>The request could not be satisfied.</H2>
<HR noshade size="1px">
Bad request.
We can't connect to the server for this app or website at this time. There might be too much traffic or a configuration error. Try again later, or contact the app or website owner.
<BR clear="all">
If you provide content to customers through CloudFront, you can find steps to troubleshoot and help prevent this error by reviewing the CloudFront documentation.
<BR clear="all">
<HR noshade size="1px">
<PRE>
Generated by cloudfront (CloudFront)
Request ID: I4wmI1bt3ddj5uScRwkIU-ONFAiyQCZoYm3BIYMH6LR5QHpK1cM2aw==
</PRE>
<ADDRESS>
</ADDRESS>
</BODY></HTML>%
$ curl -XPOST --json '{"n": 5}' -H 'Authorization: Bearer foo' -H 'x-gateway-authorization: Bearer bar' 'https://a5t0qb2tfg.execute-api.eu-west-1.amazonaws.com/prod/fib' git:(main|✚18…7
{"result": 5, "job_id": "55dc052c-2b08-486e-87b6-462abcf24e96"}%
