diff --git a/RFCs/2021-04-16-77-module-reflection.md b/RFCs/2021-04-16-77-module-reflection.md
index 7468ba901..9bde8fc68 100644
--- a/RFCs/2021-04-16-77-module-reflection.md
+++ b/RFCs/2021-04-16-77-module-reflection.md
@@ -7,104 +7,216 @@ metrics schema.
 
 All interfaces and schemas are versioned.
 
-```
-/api/v1/inputs
+`GET /api/v1/inputs`
+
+```json
  {
-  pcap: "1.0",
-  "dnstap": "1.0"
- }
-/api/v1/inputs/pcap/interface
+  "pcap": {
+    "version": "1.0"
+  },
+  "dnstap": {
+    "version": "1.0"
+  }
+}
+```
+
+`GET /api/v1/inputs/pcap/features`
+
+```json
  {
-  version: "1.0",
+  "version": "1.0",
   "info": {
-    "interfaces": {
-      "eth0": {}
+    "available_iface": {
+      "eth0": {},
+      "eth1": {}
     }
   },
-  "defaults": {
-    "interface": eth0
-  },
-  config: {
-   iface: {
-     type: "string",
-     description: "the ethernet interface to capture on"
-   }
-  }
-  filters: {
-    bpf: {
-     type: "string",
-     description: "tcpdump compatible bpf filter expression"
+  "config": {
+    "iface": {
+      "required": true,
+      "type": "string",
+      "name": "Interface",
+      "description": "The ethernet interface to capture on"
+    },
+    "bpf": {
+      "required": false,
+      "type": "string",
+      "name": "Filter Expression",
+      "description": "tcpdump compatible filter expression for limiting the traffic examined (with BPF). Example: \"port 53\""
+    },
+    "host_spec": {
+      "required": false,
+      "type": "string",
+      "name": "Host Specification",
+      "description": "Subnets (comma separated) to consider this HOST, in CIDR form. Example: \"10.0.1.0/24,10.0.2.1/32,2001:db8::/64\""
+    },
+    "pcap_source": {
+      "required": false,
+      "type": "string",
+      "name": "pcap Engine",
+      "description": "pcap backend engine to use. Defaults to best for platform."
     }
-  },
-  metric_groups: {
   }
- }
-/api/v1/inputs/dnstap/interface
+}
+```
+
+`GET /api/v1/handlers`
+
+```json
  {
-  version: "1.0",
-  config: {
-   socket: {
-     type: "string",
-     description: "the dnstap socket to listen to"
-   }
+  "dns": {
+    "version": "1.0"
+  },
+  "net": {
+    "version": "1.0"
+  },
+  "pcap": {
+    "version": "1.0"
   }
-  filters: {
-    qname_suffix: {
-     type: "string",
-     description: "match the DNS qname sufix given", 
-     regex: "..."
+}
+```
+
+`GET /api/v1/handlers/dns/features`
+
+```json
+{
+  "version": "1.0",
+  "config": {
+    "filter_exclude_noerror": {
+      "name": "Filter: Exclude NOERROR",
+      "type": "bool",
+      "description": "Filter out all NOERROR responses"
+    },
+    "filter_only_rcode": {
+      "name": "Filter: Include Only RCode",
+      "type": "integer",
+      "description": "Filter out any queries which are not the given RCODE"
+    },
+    "filter_only_qname_suffix": {
+      "name": "Filter: Include Only QName With Suffix",
+      "type": "array[string]",
+      "description": "Filter out any queries whose QName does not end in a suffix on the list"
     }
   },
-  metric_groups: {
-  }
- } 
-/api/v1/handlers
- { dns: { version: "1.0" }, 
-   net: { version: "1.0" } }
-/api/v1/handlers/dns/interface
- {
-  version: "1.0",
-  config: {
-    periods: {
-     type: "int",
-     description: "number of metric periods to keep"
+  "metrics": {
+    "cardinality.qname": {
+      "type": "cardinality",
+      "description": "..."
+    },
+    "in": {
+      "type": "counter",
+      "description": "..."
+    },
+    "xact.counts.timed_out": {
+      "type": "integer",
+      "description": "..."
+    },
+    "xact.counts.total": {
+      "type": "integer",
+      "description": "..."
+    },
+    "xact.in.top_slow": {
+      "type": "top_n",
+      "description": "..."
+    }
+  },
+  "metric_groups": {
+    "cardinality": {
+      "name": "Cardinality",
+      "description": "Metrics counting the unique number of items in the stream",
+      "metrics": [
+        "cardinality.qname"
+      ]
+    },
+    "dns_transactions": {
+      "name": "DNS Transactions (Query/Reply pairs)",
+      "description": "Metrics based on tracking queries and their associated replies",
+      "metrics": [
+        "xact.counts.timed_out",
+        "xact.counts.total",
+        "xact.in.top_slow"
+      ]
+    },
+    "top_dns_wire": {
+      "name": "Top N Metrics (Various)",
+      "description": "Top N metrics across various details from the DNS wire packets",
+      "metrics": [
+        "..."
+      ]
+    },
+    "top_qnames": {
+      "name": "Top N QNames (All)",
+      "description": "Top QNames across all DNS queries in stream",
+      "metrics": [
+        "..."
+      ]
+    },
+    "top_qnames_by_rcode": {
+      "name": "Top N QNames (Failing RCodes) ",
+      "description": "Top QNames across failing result codes",
+      "metrics": [
+        "..."
+      ]
     }
   }
-  filters: {
-    qname_suffix: {
-     type: "string",
-     description: "match the DNS qname sufix given", 
-     regex: "..."
+}
+```
+
+`GET /api/v1/handlers/net/features`
+
+```json
+{
+  "version": "1.0",
+  "config": {
+  },
+  "metrics": {
+    "cardinality.dst_ips_out": {
+      "type": "cardinality",
+      "description": "..."
+    },
+    "cardinality.src_ips_in": {
+      "type": "cardinality",
+      "description": "..."
+    },
+    "in": {
+      "type": "counter",
+      "description": "..."
+    },
+    "rates.pps_in": {
+      "type": "rate",
+      "description": "..."
+    },
+    "top_ASN": {
+      "type": "top_k",
+      "description": "..."
     }
   },
-  metric_groups: {
-    top_error_qnames: {
-      description: "top N qnames with error result codes", 
-      metrics: {,
-       top_refused: {
-        "type": "top_n",
-         "description": "..."
-       },
-       top_srvfail: {
-        "type": "top_n",
-         "description": "..."
-       }, 
-       top_nxdomain: {
-        "type": "top_n",
-         "description": "..."
-       },
-      }
-    }, 
-    transactions: {
-      description: "information on query/reply pairs", 
-      metrics: {
-      ...
-      }
+  "metric_groups": {
+    "ip_cardinality": {
+      "name": "IP Address Cardinality",
+      "description": "Unique IP addresses seen in the stream",
+      "metrics": [
+        "cardinality.dst_ips_out",
+        "cardinality.src_ips_in"
+      ]
+    },
+    "top_geo": {
+      "name": "Top Geo",
+      "description": "Top Geo IP and ASN in the stream",
+      "metrics": [
+        "top_ASN",
+        "top_geoLoc"
+      ]
+    },
+    "top_ips": {
+      "name": "Top IPs",
+      "description": "Top IP addresses in the stream",
+      "metrics": [
+        "top_ipv4",
+        "top_ipv6"
+      ]
     }
   }
- }
-/api/v1/handlers/net/interface
- {
- }
+}
 ```