Index onlineMerchant portal
Api Endpoint

Oblique Markets

Use when an agent needs base usdc transfer check. Returns Verify a Base mainnet transaction moved USDC: decodes all USDC Transfer logs from the receipt and reports settled=true only for a mined, successful tx with at least one transfer. $0.004.

Open interactive test console

Offering

Provider
api.oblique.markets
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Api
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.oblique.markets/api/v1/paid/base-usdc-transfer-check
MIME type
application/json
First seen
2026-10-16T02:59:31.787Z
Last seen
Tags
Base, USDC, transfer, check, Verification, MCP, 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
Payment option 2
0.004 USDC
Atomic price: 4000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "4000",
    "payTo": "0x970007590aCC5C938cd51345B17AF51B1B40D3Ab"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "4000",
    "payTo": "GYyTRmt317JafPHXPnM54Fsvsma5GnS9wm6qGMqaykdS"
  }
]

Observed health

Status
Healthy
Latest latency
50 ms
Average latency
354 ms
HTTP status
402
Last checked
Reachability
100% over 15 checks

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

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "required": [
        "tx"
      ],
      "properties": {
        "tx": {
          "type": "string",
          "description": "Transaction hash to verify, 0x-prefixed 64 hex chars"
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "found": {
      "type": "boolean"
    },
    "settled": {
      "type": "boolean"
    },
    "status": {
      "type": "string"
    },
    "block_number": {
      "type": "integer"
    },
    "transfers": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "from": {
            "type": "string"
          },
          "to": {
            "type": "string"
          },
          "amount_atomic": {
            "type": "string"
          },
          "amount_usdc": {
            "type": "string"
          }
        }
      }
    },
    "as_of": {
      "type": "string"
    }
  }
}