Note query time limit

docs/rest_api.md

@@ -1,6 +1,8 @@
 # GMN REST API
 
-The GMN REST API provides an interface to query and retrieve meteor trajectory data by constructing read-only SQL queries on the GMN Data Store database.
+The GMN REST API provides an interface to query and retrieve meteor trajectory data by constructing read-only SQL queries on the [GMN Data Store](https://explore.globalmeteornetwork.org/gmn_data_store) database.
+
+We use [Datasette](https://docs.datasette.io/en/0.64.6/json_api.html) to provide the REST API.
 
 ## HTTP GET Requests
 
@@ -27,6 +29,8 @@ You can use this when making subsequent requests to the endpoint to ensure you a
 
 Queries are cached for 1 hour with a maximum size of 1GB on the server. The cache is invalidated if the GMN Data Store database has been modified by our data ingestion processes which usually run twice a day.
 
+Queries are blocked if they take longer than 3 seconds to execute. I recommend using [EXPLAIN QUERY PLAN](https://www.sqlite.org/eqp.html) to check the query execution plan before running a query. If you need to run a long-running query, please contact us.
+
 ### The Meteor Summary REST API Endpoint
 
 The Meteor Summary REST API Endpoint allows you to retrieve meteor properties from the GMN Data Store in a combined format. The properties available are described here:
@@ -59,6 +63,8 @@ The final page of results will include no data.
 
 Queries are cached for 1 hour with a maximum size of 1GB on the server. The cache is invalidated if the GMN Data Store database has been modified by our data ingestion processes.
 
+Queries are blocked if they take longer than 3 seconds to execute. I recommend using [EXPLAIN QUERY PLAN](https://www.sqlite.org/eqp.html) to check the query execution plan before running a query. If you need to run a long-running query, please contact us.
+
 ### Examples
 
 #### Get the number of stations in the network

src/gmn_python_api/gmn_rest_api.py

@@ -1,7 +1,7 @@
 """
 This module contains functions to read data from the GMN REST API.
 The REST API uses the Datasette API endpoint. More info:
-https://gmn-python-api.readthedocs.io/en/0.64.6/rest_api.html
+https://gmn-python-api.readthedocs.io/en/latest/rest_api.html
 """
 
 import json