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mirrored listing x402 eip155:8453

x402 market intelligence with current catalog-attributed USDC flow, address-level demand s

x402 market intelligence with current catalog-attributed USDC flow, address-level demand signals and separately labeled value-matched history. The headline covers Base only (market.universeChains); the multi-chain picture ships alongside it as ecosystem, split into an RPC-proven floor and an indexed upper bound that are not additive (notASum). Attribution is not exclusive protocol-intent proof.

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Claim this listing
50000 (raw units)
price
6
calls / 30d
5
unique payers
2026-09-08
updated

Provider

api.x402intel.uk · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x7b13107779CfDA1bEba3289d0Fbe27310436f3E3",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {},
        "type": "http"
      },
      "output": {
        "example": {
          "demand": {
            "totalBuyers": 0
          },
          "ecosystem": {
            "composition": [
              {
                "chain": "base",
                "grade": "rpc_proven",
                "measurementContract": "x402.attributed_volume_usd.catalog_auth_join.v1",
                "provenFloorUsd": 0,
                "volumeUsd": {
                  "movedTo": "provenFloorUsd",
                  "why": "no field spans two measurement contracts"
                },
                "withheldReason": null
              }
            ],
            "floor": {
              "byContract": [
                {
                  "chains": [
                    "base"
                  ],
                  "contract": "x402.attributed_volume_usd.catalog_auth_join.v1",
                  "usd": 0
                }
              ],
              "chains": [
                "base"
              ],
              "grades": [
                "rpc_proven"
              ],
              "total": {
                "status": "published",
                "value": 0
              }
            },
            "notASum": true,
            "upperBound": {
              "byContract": [
                {
                  "chains": [
                    "base"
                  ],
                  "contract": "x402.attributed_volume_usd.catalog_auth_join.v1",
                  "usd": 0
                },
                {
                  "chains": [
                    "solana"
                  ],
                  "contract": "x402.facilitator_gasless_volume_usd.indexed_fee_payer_join.v1",
                  "usd": 0
                }
              ],
              "chains": [
                "base",
                "solana"
              ],
              "total": {
                "reason": {
                  "code": "incomparable_mix",
                  "contracts": [
                    "…",
                    "…"
                  ]
                },
                "status": "withheld",
                "value": null
              }
            },
            "withheldChains": []
          },
          "generatedAt": "2026-07-19T00:00:00.000Z",
          "market": {
            "sellersOnBase": 0,
            "sellersWithAttributedActivity": 0,
            "sellersWithRealActivity": 0,
            "universeChains": [
              "base"
            ]
          }
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "additionalProperties": false,
              "properties": {},
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "additionalProperties": true,
              "properties": {},
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://api.x402intel.uk/x402-market"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://api.x402intel.uk/x402-market");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://api.x402intel.uk/x402-market")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/2987.json, and this resource appears in /discovery/resources and /discovery/search.