Previous value: -nullNew value: +{
+  "properties": {
+    "description": {
+      "description": "What it returns",
+      "type": "string"
+    },
+    "estimate": {
+      "properties": {
+        "basis": {
+          "description": "How the estimate was made",
+          "type": "string"
+        },
+        "per100Results": {
+          "description": "About what 100 results cost, in USD",
+          "type": "number"
+        },
+        "resultsPerCall": {
+          "description": "Rows per call for per-call sources",
+          "type": "integer"
+        }
+      },
+      "type": "object"
+    },
+    "exampleInput": {
+      "description": "A working example input",
+      "type": "object"
+    },
+    "inputFields": {
+      "description": "Input fields the source accepts",
+      "items": {
+        "properties": {
+          "default": {},
+          "description": {
+            "description": "What to put in it",
+            "type": "string"
+          },
+          "name": {
+            "description": "Field name",
+            "type": "string"
+          },
+          "required": {
+            "description": "Whether it is required",
+            "type": "boolean"
+          }
+        },
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "pagingNote": {
+      "description": "How to get the next page",
+      "type": "string"
+    },
+    "platform": {
+      "description": "Platform",
+      "type": "string"
+    },
+    "pricing": {
+      "description": "Price of the source",
+      "properties": {
+        "amount": {
+          "description": "Price in USD per call or per result",
+          "type": "number"
+        },
+        "currency": {
+          "description": "Always USD",
+          "type": "string"
+        },
+        "display": {
+          "description": "Price as text, e.g. \"$0.003 per call\"",
+          "type": "string"
+        },
+        "type": {
+          "description": "PER_CALL (one page per call) or PER_RESULT (charged per row returned)",
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "quote": {
+      "description": "Quote for the planned run",
+      "properties": {
+        "basis": {
+          "description": "How the quote was worked out",
+          "type": "string"
+        },
+        "currency": {
+          "description": "Always USD",
+          "type": "string"
+        },
+        "maxCharge": {
+          "description": "The most this run can cost, in USD",
+          "type": "number"
+        },
+        "maxChargeDisplay": {
+          "description": "maxCharge as text, e.g. \"$0.30\"",
+          "type": "string"
+        },
+        "needsConfirmation": {
+          "description": "true when the user should confirm before the run",
+          "type": "boolean"
+        },
+        "reducedByBalance": {
+          "description": "true when fewer results were quoted because the balance is low",
+          "type": "boolean"
+        }
+      },
+      "required": [
+        "maxCharge"
+      ],
+      "type": "object"
+    },
+    "scraper": {
+      "description": "Source id",
+      "type": "string"
+    },
+    "title": {
+      "description": "Source name",
+      "type": "string"
+    }
+  },
+  "required": [
+    "scraper",
+    "quote"
+  ],
+  "type": "object"
+}