diff --git a/_data/credentials.yml b/_data/credentials.yml
new file mode 100644
index 0000000..5f6cd03
--- /dev/null
+++ b/_data/credentials.yml
@@ -0,0 +1,15 @@
+extra_small:
+  client_id: "3841c594-a8c0-41e5-98cc-38bb45360d3c"
+  client_secret: "efef20edc106b7b355ff09754d5b19014f42820996629a469aa3d4ce1063cbd098b08ccba3bbdcbf"
+small:
+  client_id: "d5f83f74-6c55-4f1e-9d16-0022688171ba"
+  client_secret: "e7a56d9e54dadaae1c0effde59ae1c804088cb4287f7f9fd5de6de0e3399923a59b5ad37a38dab7a"
+medium:
+  client_id: "8c75a6f6-02b9-4a47-96c1-0bd6efd4b5e3"
+  client_secret: "283e10b42cfb7de88bdf7ebd5d4f178ba6af19b6eadfbc36675754a1576c899435bb098dd97aa8b0"
+large:
+  client_id: "f268a8c6-8a29-4d2b-8b92-263dc775750d"
+  client_secret: "1087acf26be69e26d4ab5f8078d63cb737f3dd9aeedb928c463dd72d7b111191de16b484428d8d8f"
+extra_large:
+  client_id: "6152afb4-c555-46e4-93de-fa16a441d643"
+  client_secret: "7c312fbe1fafaf4fab3e4a71c20bb79106a083a24784ef83dc56a2b1f891a9f52b181a20eec698a0"
\ No newline at end of file
diff --git a/_includes/guide/credentials.html b/_includes/guide/credentials.html
index 033d9c7..949bda2 100644
--- a/_includes/guide/credentials.html
+++ b/_includes/guide/credentials.html
@@ -2,14 +2,14 @@
 <div class="acc_content">
     Client ID:
     {%- capture client_id -%}
-    3841c594-a8c0-41e5-98cc-38bb45360d3c
+    {{site.data.credentials.extra_small.client_id}}
     {%- endcapture -%}
 
     {% include copy_snippet.md code=client_id aco='Extra-Small ACO (50 synthetic beneficiaries)' type='Client ID' %}
 
     Client Secret:
     {%- capture client_secret -%}
-    efef20edc106b7b355ff09754d5b19014f42820996629a469aa3d4ce1063cbd098b08ccba3bbdcbf
+    {{site.data.credentials.extra_small.client_secret}}
     {%- endcapture -%}
 
     {% include copy_snippet.md code=client_secret aco='Extra-Small ACO (50 synthetic beneficiaries)' type='Client Secret' %}
@@ -19,14 +19,14 @@
 <div class="acc_content">
     Client ID:
     {%- capture client_id -%}
-    d5f83f74-6c55-4f1e-9d16-0022688171ba
+    {{site.data.credentials.small.client_id}}
     {%- endcapture -%}
 
     {% include copy_snippet.md code=client_id aco='Small ACO (2,500 synthetic beneficiaries)' type='Client ID' %}
 
     Client Secret:
     {%- capture client_secret -%}
-    e7a56d9e54dadaae1c0effde59ae1c804088cb4287f7f9fd5de6de0e3399923a59b5ad37a38dab7a
+    {{site.data.credentials.small.client_id}}
     {%- endcapture -%}
 
     {% include copy_snippet.md code=client_secret aco='Small ACO (2,500 synthetic beneficiaries)' type='Client Secret' %}
@@ -36,14 +36,14 @@
 <div class="acc_content">
     Client ID:
     {%- capture client_id -%}
-    8c75a6f6-02b9-4a47-96c1-0bd6efd4b5e3
+    {{site.data.credentials.medium.client_id}}
     {%- endcapture -%}
 
     {% include copy_snippet.md code=client_id aco='Medium ACO (7,500 synthetic beneficiaries)' type='Client ID' %}
 
     Client Secret:
     {%- capture client_secret -%}
-    283e10b42cfb7de88bdf7ebd5d4f178ba6af19b6eadfbc36675754a1576c899435bb098dd97aa8b0
+    {{site.data.credentials.medium.client_id}}
     {%- endcapture -%}
 
     {% include copy_snippet.md code=client_secret aco='Medium ACO (7,500 synthetic beneficiaries)' type='Client Secret' %}
@@ -53,14 +53,14 @@
 <div class="acc_content">
     Client ID:
     {%- capture client_id -%}
-    f268a8c6-8a29-4d2b-8b92-263dc775750d
+    {{site.data.credentials.large.client_id}}
     {%- endcapture -%}
 
     {% include copy_snippet.md code=client_id aco='Large ACO (20,000 synthetic beneficiaries)' type='Client ID' %}
 
     Client Secret:
     {%- capture client_secret -%}
-    1087acf26be69e26d4ab5f8078d63cb737f3dd9aeedb928c463dd72d7b111191de16b484428d8d8f
+    {{site.data.credentials.large.client_id}}
     {%- endcapture -%}
 
     {% include copy_snippet.md code=client_secret aco='Large ACO (20,000 synthetic beneficiaries)' type='Client Secret' %}
@@ -70,14 +70,14 @@
 <div class="acc_content">
     Client ID:
     {%- capture client_id -%}
-    6152afb4-c555-46e4-93de-fa16a441d643
+    {{site.data.credentials.extra_large.client_id}}
     {%- endcapture -%}
 
     {% include copy_snippet.md code=client_id aco='Extra-Large ACO (30,000 synthetic beneficiaries)' type='Client ID' %}
 
     Client Secret:
     {%- capture client_secret -%}
-    7c312fbe1fafaf4fab3e4a71c20bb79106a083a24784ef83dc56a2b1f891a9f52b181a20eec698a0
+    {{site.data.credentials.extra_large.client_id}}
     {%- endcapture -%}
 
     {% include copy_snippet.md code=client_secret aco='Extra-Large ACO (30,000 synthetic beneficiaries)' type='Client Secret' %}
diff --git a/_includes/guide/try_the_api.html b/_includes/guide/try_the_api.html
index 226d78b..dd1dab6 100644
--- a/_includes/guide/try_the_api.html
+++ b/_includes/guide/try_the_api.html
@@ -65,7 +65,7 @@ <h2>
 </h2>
 <p>
 	For this demonstration, we will provide sample API credentials to the sandbox environment. We will be using the sample
-	credentials for an Extra-Small Model Entity (25 beneficiaries). Feel free to follow along with any of the sample credentials.
+	credentials for an Extra-Small Model Entity (50 beneficiaries). Feel free to follow along with any of the sample credentials.
 </p>
 <p>
 	Our credentials come in two pieces: a Client ID and a Client Secret. We will submit these two pieces to the API. Notice that the credentials are included in one of the headers (--user). You must use this format: --user {insert client id}{insert colon}{insert client secret}.
@@ -74,7 +74,7 @@ <h3>
 	Sample cURL Command to Submit Credentials for an Access Token
 </h3>
 <pre><code>curl -d '' -X POST 'https://sandbox.bcda.cms.gov/auth/token' \
-	--user 2462c96b-6427-4efb-aed7-118e20c2e997:8e87f0ebc50d10f1bc9734329a9900179b84ccd39e4d0920b905cc359cf6e94a6e760bbe3a0890c7 \
+	--user {{site.data.credentials.extra_small.client_id}}:{{site.data.credentials.extra_small.client_secret}} \
 	-H "accept: application/json"</code></pre>
 
 <h3>