Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "The answer in one plain sentence, computed from the fields below. Open the reply with this, then let the numbers back it up. Null only when there was nothing to summarise."
+}

Added value: +"Coin symbol, for example BTC, or a comma-separated list of up to 15 for a portfolio in one call. A single coin returns a flat object, a list returns {coins:[...]} with an available:false entry for any member with no logged history. Omit for the 15 coins sitting at the highest multiple right now."

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": {},
+  "properties": {
+    "available": {
+      "anyOf": [
+        {
+          "type": "boolean"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "False when this lane could not answer: a producer is dark, the pair sits outside this plan, or the argument named something we do not carry. Absent or true means the numbers are a real reading, not a guess."
+    },
+    "breadth": {
+      "description": "How wide the buying or selling is across the coins with logged history."
+    },
+    "buy_share_24h": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Share of the last 24h dollars that were buys, 0 to 1."
+    },
+    "buy_share_7d": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Share of the last 7 days dollars that were buys, 0 to 1."
+    },
+    "coin": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "The coin this row describes, when one coin was asked for."
+    },
+    "coins": {
+      "anyOf": [
+        {
+          "items": {},
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "One row per coin when a comma-separated list was asked for. A member with no logged history comes back as available:false."
+    },
+    "days_logged": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "How many days wide the baseline window is."
+    },
+    "highest_in_days": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Highest flow in this many days, or null."
+    },
+    "mult_vs_avg_24h": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "How many times its own logged daily average the last 24h of flow is."
+    },
+    "net_usd_24h": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Buys minus sells in the last 24h."
+    },
+    "note": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "One line saying what the numbers cover, or why there are none. Read it before reporting any zero as a market reading."
+    },
+    "ranking_note": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "How the list is sorted, and why a thin_baseline row can sit near the top without meaning anything."
+    },
+    "record_high_day": {
+      "anyOf": [
+        {
+          "type": "boolean"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "True when this is the highest recorded day for the coin."
+    },
+    "since_day": {
+      "anyOf": [
+        {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "number"
+            }
+          ]
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "The first day this baseline covers."
+    },
+    "thin_baseline": {
+      "anyOf": [
+        {
+          "type": "boolean"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "True when about one day of flow sits in the whole window, so the multiple is close to the day count by construction and is not evidence of unusual activity."
+    },
+    "top_by_multiple": {
+      "anyOf": [
+        {
+          "items": {},
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "The coins sitting at the highest multiple right now, when no coin was asked for."
+    },
+    "usd_24h": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Total whale dollars in the last 24h."
+    },
+    "valid_days": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "How many days of the baseline hold usable readings."
+    }
+  },
+  "type": "object"
+}