From ddf1db09f90b45c363fcd875fc7363a245aca969 Mon Sep 17 00:00:00 2001
From: Brandon Morelli <brandon.morelli@elastic.co>
Date: Tue, 12 Sep 2023 08:22:08 -0700
Subject: [PATCH] [docs] Explain max payload size in RUM source map docs
 (#165732)

## Summary

Closes https://github.com/elastic/observability-docs/issues/3021.
---
 docs/apm/api.asciidoc | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/docs/apm/api.asciidoc b/docs/apm/api.asciidoc
index fb672b2884af..341e75bbb835 100644
--- a/docs/apm/api.asciidoc
+++ b/docs/apm/api.asciidoc
@@ -503,6 +503,16 @@ The following APIs are available:
 * <<rum-sourcemap-get>>
 * <<rum-sourcemap-delete>>
 
+[float]
+[[limit-sourcemap-api]]
+==== Max payload size
+
+{kib}'s maximum payload size is 1mb.
+If you attempt to upload a source map that exceeds the max payload size, you will get a `413` error.
+
+Before uploading source maps that exceed this default, change the maximum payload size allowed by {kib}
+with the <<server-maxPayload,`server.maxPayload`>> variable.
+
 [float]
 [[use-sourcemap-api]]
 ==== How to use APM APIs