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Api Endpoint

CortexCloud

Batch NFT ownership across addresses (Alchemy). x402-paid, USDC on Base.

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Offering

Provider
api.cortexcloud.org
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Other
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.cortexcloud.org/v1/aggregate/nfts
MIME type
Not provided
First seen
2026-10-23T22:13:16.843Z
Last seen
Tags
Onchain, Crypto, blockchain, Data, X402

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.004 USDC
Atomic price: 4000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "4000",
    "payTo": "0x5a0353bc9c75b893a9b5735d3e79f1bd988ea143"
  }
]

Observed health

Status
Healthy
Latest latency
1364 ms
Average latency
2070 ms
HTTP status
402
Last checked
Reachability
85.7% over 7 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "properties": {
    "body": {
      "properties": {
        "addresses": {
          "items": {
            "pattern": "^0x[0-9a-fA-F]{40}$",
            "type": "string"
          },
          "maxItems": 20,
          "minItems": 1,
          "type": "array"
        },
        "chain": {
          "default": "ethereum",
          "type": "string"
        },
        "page_size": {
          "default": 100,
          "maximum": 100,
          "minimum": 1,
          "type": "integer"
        }
      },
      "required": [
        "addresses"
      ],
      "type": "object"
    },
    "bodyType": {
      "const": "json",
      "type": "string"
    },
    "method": {
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "type": "object"
}

Output schema

{
  "properties": {
    "example": {},
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}