Auto-rig a humanoid 3D character

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xfBcA05073748AB9605370732dd70D7A14A0b7146",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "200000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {},
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "$schema": "https://json-schema.org/draft/2020-12/schema",
              "additionalProperties": false,
              "properties": {
                "height_meters": {
                  "default": 1.7,
                  "description": "Character height in meters",
                  "type": "number"
                },
                "input_task_id": {
                  "description": "ID of a completed Meshy task to rig. Rigging only accepts models under 300,000 faces; if the source model may exceed that limit, run /api/remesh first and pass the completed remesh task ID here.",
                  "type": "string"
                },
                "model_url": {
                  "description": "Public URL or data URI to a GLB file under 300,000 faces. If the model may exceed 300,000 faces, reduce it with /api/remesh before rigging.",
                  "type": "string"
                },
                "texture_image_url": {
                  "description": "UV-unwrapped base color texture (PNG)",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST",
                "PUT",
                "PATCH"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

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

const res = await fetch("https://stablemesh.dev/api/rigging");
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://stablemesh.dev/api/rigging")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header