# COMEX Warehouse Inventory API

> COMEX Warehouse Inventory API is a paid API for AI agents from thevaultreport.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Returns daily COMEX warehouse inventory data (registered, eligible, total ounces) with per-depository breakdown, filterable by metal and date range.

## Facts

- Endpoint: GET https://thevaultreport.com/api/x402/comex/warehouse
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/comex-warehouse-inventory-api-9763aed0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_53w3OQAqp8k-0AzcwZuc_

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability comex-warehouse-inventory-api-9763aed0
```

Example prompt: Pull me the COMEX gold warehouse inventory data from January 1 2026 to April 30 2026, including the per-depository breakdown, so I can see how registered and eligible ounces have been trending.

## When to prefer this

Use this endpoint when you need structured, machine-readable COMEX warehouse inventory data — registered, eligible, and total ounces with depository-level detail — extracted from CME's official daily PDFs. Prefer this over scraping CME directly or using generic commodity data providers when you need historical date-range queries, per-warehouse breakdowns, or programmatic access to multiple metals in one interface.

## Known failure modes

- Invalid date format returns validation error
- Unsupported metal enum value returns 400
- Date range with no data returns empty rows array
- Pagination beyond last page returns null next_page
- Payment not received (x402) blocks access
- CME source PDF not yet processed for today's date may return stale or missing rows

## How this service works

COMEX warehouse inventory: registered, eligible and total levels plus the per-depository breakdown, by metal and date. Quantities are in CME's reporting unit per metal: troy ounces for gold/silver/platinum/palladium, SHORT TONS for copper, metric tonnes for aluminum/zinc/lead. Extracted from CME's daily warehouse PDFs.

## Output

A paginated list of rows each containing the activity date, metal, registered/eligible/total/pledged/received/withdrawn/adjustment quantities in ounces, and a warehouse_breakdown object keyed by depository name. Also returns pagination metadata (page, page_size, returned, next_page, total_matches), applied filters, source attribution, generated_at timestamp, and links to sibling endpoints.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "to": {
       "type": "string",
       "format": "date",
       "example": "2026-04-30"
      },
      "from": {
       "type": "string",
       "format": "date",
       "example": "2026-01-01"
      },
      "page": {
       "type": "integer",
       "default": 1,
       "example": 1,
       "minimum": 1
      },
      "metal": {
       "enum": [
        "gold",
        "silver",
        "copper",
        "platinum"
       ],
       "type": "string",
       "example": "gold"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "required": [
      "endpoint",
      "rows",
      "total_matches"
     ],
     "properties": {
      "page": {
       "type": "integer"
      },
      "rows": {
       "type": "array",
       "items": {
        "type": "object",
        "properties": {
         "metal": {
          "type": "string"
         },
         "total_qty": {
          "type": "number"
         },
         "pledged_qty": {
          "type": "number"
         },
         "eligible_qty": {
          "type": "number"
         },
         "received_qty": {
          "type": "number"
         },
         "activity_date": {
          "type": "string",
          "format": "date"
         },
         "withdrawn_qty": {
          "type": "number"
         },
         "registered_qty": {
          "type": "number"
         },
         "warehouse_breakdown": {
          "type": "object",
          "properties": {
           "warehouses": {
            "type": "array",
            "items": {
             "type": "object",
             "properties": {
              "name": {
               "type": "string"
              },
              "eligible": {
               "type": "number"
              },
              "registered": {
               "type": "number"
              }
             }
            }
           }
          },
          "descript
… (truncated)
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "page": 1,
  "rows": [
   {
    "metal": "GOLD",
    "total_qty": 11200000,
    "pledged_qty": 11200000,
    "eligible_qty": 11200000,
    "received_qty": 11200000,
    "activity_date": "2026-04-17",
    "withdrawn_qty": 11200000,
    "adjustment_qty": 11200000,
    "registered_qty": 11200000,
    "warehouse_breakdown": {
     "Brink's": 4210000,
     "JPMorgan": 6990000
    }
   }
  ],
  "source": "The Vault Report",
  "filters": {
   "metal": "gold"
  },
  "license": "CC BY 4.0",
  "related": [],
  "endpoint": "comex/warehouse",
  "returned": 1,
  "next_page": 2,
  "page_size": 25,
  "source_url": "https://thevaultreport.com",
  "attribution": "Attribute to The Vault Report with a link to https://thevaultreport.com",
  "generated_at": "2026-04-18T14:00:00Z",
  "total_matches": 1482,
  "schema_version": 1
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/comex-warehouse-inventory-api-9763aed0/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from thevaultreport.com](https://www.zero.xyz/host/thevaultreport.com/llms.txt)