USDC→GBLIN treasury-accumulation calldata: two sequential steps (approve USDC, then buyGBL

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x0ebA5d314F4f5Dcb7A094953Fa9311a45172dd1B",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "usdc": "10",
          "wallet": "0x0000000000000000000000000000000000000001"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "action": "sequential_txs",
          "expected": {
            "gblin_expected": "8.121345",
            "gblin_min": "7.918310",
            "slippage_buffer_pct": 2.5,
            "slippage_reason": "normal",
            "usdc_in": "10",
            "weth_min": "0.002824"
          },
          "security": {
            "mev_protected": true,
            "min_outs_set": true
          },
          "steps": [
            {
              "calldata": "0x095ea7b3…",
              "description": "Approve GBLIN contract to spend USDC",
              "step": 1,
              "target": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "value": "0"
            },
            {
              "calldata": "0x4f5d3a7b…",
              "description": "Buy GBLIN with USDC via native contract function",
              "step": 2,
              "target": "0x36C81d7E1966310F305eA637e761Cf77F90852f0",
              "value": "0"
            }
          ]
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "usdc": {
                  "description": "USDC amount to invest into GBLIN (decimal string)",
                  "type": "string"
                },
                "wallet": {
                  "description": "Agent EOA / smart-account 0x address that will execute the returned calldata",
                  "type": "string"
                }
              },
              "required": [
                "usdc",
                "wallet"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

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

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

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