Api Endpoint

MioDio Meridian Tx Drift

MioDio Meridian parameter-drift check: diffs a declared intent against the exact unsigned tx or EIP-712 payload before you sign (~$0.005 USDC Exact on Base). Verdict match, drift or cannot_verify with a per-field diff and keccak of the bytes checked. Unknown calldata is cannot_verify, never match. A match is not a guarantee the intent was safe. Errors: 400 invalid_body or unsupported_chain, 402 payment required. MioDio x402 DeFi. Terms: https://workers.miodiollc.com/terms

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Offering

Provider
workers.miodiollc.com
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://workers.miodiollc.com/v1/drift
MIME type
Not provided
First seen
2026-10-19T02:33:22.426Z
Last seen
Tags
DeFi, tx, drift, Agent

Payment pricing

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

Payment option 1
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0x4DA1ED782BD61BaE9AdD5a5CaBbCf32f767f8d7F"
  }
]

Observed health

Status
Healthy
Latest latency
288 ms
Average latency
698 ms
HTTP status
204
Last checked
Reachability
100% over 12 checks

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

Input schema

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "properties": {
        "chain": {
          "description": "Target chain of the unsigned tx (default base). Independent of the USDC payment network.",
          "enum": [
            "base",
            "ethereum"
          ],
          "type": "string"
        },
        "intent": {
          "description": "Declared intent: action, recipient/spender, token, amount, max slippage, expected contract.",
          "type": "object"
        },
        "tx": {
          "description": "Exact unsigned transaction about to be signed: to, value, data, optional chainId/from.",
          "type": "object"
        },
        "typed_data": {
          "description": "Optional EIP-712 payload (Permit, Permit2) when that is what will be signed.",
          "type": "object"
        }
      },
      "required": [
        "intent"
      ]
    },
    "bodyType": {
      "enum": [
        "json",
        "form-data",
        "text"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "type": "object"
}

Output schema

{
  "properties": {
    "example": {
      "properties": {
        "as_of": {
          "type": "string"
        },
        "bindings": {
          "type": "object"
        },
        "card": {
          "const": "parameter_drift",
          "type": "string"
        },
        "chain": {
          "enum": [
            "base",
            "ethereum"
          ],
          "type": "string"
        },
        "decoded": {
          "type": "object"
        },
        "diffs": {
          "type": "array"
        },
        "disclaimer": {
          "type": "string"
        },
        "flags": {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        "limits": {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        "product": {
          "const": "mio_dio_defi_risk_passport",
          "type": "string"
        },
        "status": {
          "const": "ok",
          "type": "string"
        },
        "verdict": {
          "enum": [
            "match",
            "drift",
            "cannot_verify"
          ],
          "type": "string"
        },
        "version": {
          "type": "string"
        }
      },
      "required": [
        "product",
        "card",
        "verdict",
        "diffs",
        "decoded",
        "flags",
        "bindings",
        "disclaimer"
      ],
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}