diff --git a/notes.md b/notes.md
index 367d594..a3f638c 100644
--- a/notes.md
+++ b/notes.md
@@ -33,3 +33,103 @@ receiving, I can have it automatically parsed and formatted.
The goal of this checkpoint is to see what status codes you can get back from
the riddle server. Paste below several `http` requests and the status codes
they return.
+
+Using an ID number that does not exist:
+$ http -v post https://riddles.makingwithcode.org/guess id=15 answer="a short-legged cow"
+POST /guess HTTP/1.1
+Accept: application/json, */*;q=0.5
+Accept-Encoding: gzip, deflate
+Connection: keep-alive
+Content-Length: 44
+Content-Type: application/json
+Host: riddles.makingwithcode.org
+User-Agent: HTTPie/3.2.2
+
+{
+ "answer": "a short-legged cow",
+ "id": "15"
+}
+
+
+HTTP/1.1 400 Bad Request
+Connection: keep-alive
+Content-Length: 13
+Content-Type: application/json
+Cross-Origin-Opener-Policy: same-origin
+Date: Wed, 03 Apr 2024 18:32:37 GMT
+Referrer-Policy: same-origin
+Server: nginx/1.22.0 (Ubuntu)
+X-Content-Type-Options: nosniff
+X-Frame-Options: DENY
+
+{
+ "error": ""
+}
+
+Using a web address with a typo in it:
+$ http -v post https://riddles.makingwithcode.org/gues id=1 answer="a short-legged cow"
+POST /gues HTTP/1.1
+Accept: application/json, */*;q=0.5
+Accept-Encoding: gzip, deflate
+Connection: keep-alive
+Content-Length: 43
+Content-Type: application/json
+Host: riddles.makingwithcode.org
+User-Agent: HTTPie/3.2.2
+
+{
+ "answer": "a short-legged cow",
+ "id": "1"
+}
+
+
+HTTP/1.1 404 Not Found
+Connection: keep-alive
+Content-Encoding: gzip
+Content-Type: text/html; charset=utf-8
+Cross-Origin-Opener-Policy: same-origin
+Date: Wed, 03 Apr 2024 18:34:02 GMT
+Referrer-Policy: same-origin
+Server: nginx/1.22.0 (Ubuntu)
+Transfer-Encoding: chunked
+X-Content-Type-Options: nosniff
+X-Frame-Options: DENY
+
+
+
+
+ Not Found
+
+
+ Not Found
The requested resource was not found on this server.
+
+
+
+Using a method that doesn't exist:
+$ http -v past https://riddles.makingwithcode.org/guess id=1 answer="a short-legged cow"
+PAST /guess HTTP/1.1
+Accept: application/json, */*;q=0.5
+Accept-Encoding: gzip, deflate
+Connection: keep-alive
+Content-Length: 43
+Content-Type: application/json
+Host: riddles.makingwithcode.org
+User-Agent: HTTPie/3.2.2
+
+{
+ "answer": "a short-legged cow",
+ "id": "1"
+}
+
+
+HTTP/1.1 405 Method Not Allowed
+Allow: POST
+Connection: keep-alive
+Content-Length: 0
+Content-Type: text/html; charset=utf-8
+Cross-Origin-Opener-Policy: same-origin
+Date: Wed, 03 Apr 2024 18:36:06 GMT
+Referrer-Policy: same-origin
+Server: nginx/1.22.0 (Ubuntu)
+X-Content-Type-Options: nosniff
+X-Frame-Options: DENY
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