Generate 1-4 AI images from a text prompt using flux-schnell

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x309Fd902B4b29905c8493c94a569673e1D6DC0D3",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "POST",
        "queryParams": {
          "prompt": "a cat wearing a top hat in a field of sunflowers"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "image_url": "https://pixel402.dylan-caponi.workers.dev/result/6f1c9e2a-4b7d-4c1e-9a2f-3d5e8b7a0c1d",
          "job_id": "6f1c9e2a-4b7d-4c1e-9a2f-3d5e8b7a0c1d",
          "model": "black-forest-labs/flux-schnell",
          "note": "Image stored durably. GET image_url anytime (free). If status is 'processing' (HTTP 202), poll result_url every ~10s.",
          "parameters": {
            "aspect_ratio": "1:1",
            "output_format": "webp",
            "output_quality": 80
          },
          "prediction_id": "abc123xyz",
          "price_paid": "$0.01",
          "prompt": "a cat wearing a top hat in a field of sunflowers",
          "status": "succeeded"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "aspect_ratio": {
                  "description": "Aspect ratio: 1:1, 16:9, 9:16, 4:3, 3:4, etc. Default: 1:1",
                  "type": "string"
                },
                "go_fast": {
                  "description": "Use the speed-optimized fp8 model. Default: true",
                  "type": "boolean"
                },
                "megapixels": {
                  "description": "Approximate resolution: '1' or '0.25'. Default: '1'",
                  "type": "string"
                },
                "num_inference_steps": {
                  "description": "Denoising steps 1-4; fewer is faster, lower quality. Default: 4",
                  "type": "number"
                },
                "num_outputs": {
                  "description": "Number of images, 1-4. Price scales: $0.01 per image. Default: 1",
                  "type": "number"
                },
                "output_format": {
                  "description": "Image format: webp, jpg, png. Default: webp",
                  "type": "string"
                },
                "output_quality": {
                  "description": "Quality 1-100. Default: 80",
                  "type": "number"
                },
                "prompt": {
                  "description": "Text description of the image to generate",
                  "type": "string"
                },
                "seed": {
                  "description": "Random seed for reproducibility",
                  "type": "number"
                }
              },
              "required": [
                "prompt"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "check_after_seconds": {
                  "type": "number"
                },
                "image_url": {
                  "type": "string"
                },
                "job_id": {
                  "type": "string"
                },
                "model": {
                  "type": "string"
                },
                "note": {
                  "type": "string"
                },
                "parameters": {
                  "type": "object"
                },
                "prediction_id": {
                  "type": "string"
                },
                "price_paid": {
                  "type": "string"
                },
                "prompt": {
                  "type": "string"
                },
                "result_url": {
                  "type": "string"
                },
                "status": {
                  "type": "string"
                },
                "timestamp": {
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://pixel402.dylan-caponi.workers.dev/generate"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://pixel402.dylan-caponi.workers.dev/generate");
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://pixel402.dylan-caponi.workers.dev/generate")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header