Tool detail

defi-ops-402

Returns the best Arbitrum USDC yield venue (money-market, or Pendle fixed-maturity at medium risk) for a given deposit amount, with optional approve+deposit calldata.

Categories: Defi, Market prices

Use when

find the best place to deposit USDC for yield on Arbitrum
compare low-risk vs medium-risk stablecoin yield venues on Arbitrum
get deposit calldata for an Arbitrum USDC yield position

Not for

not for yields on chains other than Arbitrum
not for executing the deposit transaction, only building calldata

Inputs

GET query params, all optional: amount (number, default 100), risk (low|medium, default low), owner (EVM address, for txPlan)

Admitted input schema

{
  "type": "object",
  "properties": {
    "amount": {
      "type": "number",
      "minimum": -9007199254740991,
      "maximum": 9007199254740991,
      "description": "USD amount to deploy, default 100"
    },
    "owner": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "optional EVM address to receive a txPlan (approve + deposit calldata)"
    },
    "risk": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "enum": [
        "low",
        "medium"
      ],
      "description": "\"low\" (money-markets only) or \"medium\" (includes Pendle fixed-maturity), default \"low\""
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://defi-ops-402.vercel.app/api/best

Payment

Protocol: x402
Listed price: 0.02 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://defi-ops-402.vercel.app/api/best
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z