docs: sync Polymarket docs - 2026-04-14

docs/api-reference/relayer/submit-a-transaction.md

@@ -1,3 +1,7 @@
+> ## Documentation Index
+> Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt
+> Use this file to discover all available pages before exploring further.
+
 # Submit a transaction
 
 > Submit a transaction request to the Relayer. Authenticated using Builder API Keys or Relayer API Keys.
@@ -12,6 +16,9 @@
 - `RELAYER_API_KEY`
 - `RELAYER_API_KEY_ADDRESS`
 
+
+
+
 ## OpenAPI
 
 ````yaml /api-spec/relayer-openapi.yaml post /submit
@@ -35,12 +42,14 @@ tags:
       However, Relayer API keys can only be created using Gamma auth. Every
       address can create a maximum of 100 keys.
 
+
       The API key auth headers are:
 
       - `RELAYER_API_KEY`
 
       - `RELAYER_API_KEY_ADDRESS`
 
+
       `RELAYER_API_KEY_ADDRESS` must match the address that owns the key.
 paths:
   /submit:
@@ -52,6 +61,7 @@ paths:
         Submit a transaction request to the Relayer. Authenticated using Builder
         API Keys or Relayer API Keys.
 
+
         **Builder API Key auth headers:**
 
         - `POLY_BUILDER_API_KEY`
@@ -62,6 +72,7 @@ paths:
 
         - `POLY_BUILDER_SIGNATURE`
 
+
         **Relayer API Key auth headers:**
 
         - `RELAYER_API_KEY`
@@ -279,6 +290,4 @@ components:
           description: Refund receiver address
           example: '0x0000000000000000000000000000000000000000'
 
-````
-
-Built with [Mintlify](https://mintlify.com).
+````