Async music/audio-track generation on Venice (Stable Audio, ElevenLabs Music, MiniMax, Lyr

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xA7f3Ad0E69F61864092FAbBa6Cee00AF6e584689",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "95000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "5hqrYCkTNe5z9Uc8o29KDNd2Gn9YreE6ZthZ7QY5hrKY",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "95000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "duration_seconds": 5,
          "lyrics_prompt": "Optional lyrics for vocal tracks.",
          "model": "stable-audio-25",
          "prompt": "Upbeat lo-fi hip hop with a warm vinyl texture, 90 BPM"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "model": "ace-step-15",
          "queue_id": "01a057b2-d111-7262-961e-71337197093b",
          "status": "QUEUED"
        },
        "type": "json"
      }
    },
    "related": [
      "/audio/quote",
      "/audio/retrieve",
      "/audio/complete",
      "/models"
    ],
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "duration_seconds": {
                  "description": "Clip length in seconds. Must sit between this model's min_duration and max_duration. Copy duration from the catalog row — a 60s-floor id cannot make a 5–10s clip.",
                  "type": "integer"
                },
                "lyrics": {
                  "description": "Alias for lyrics_prompt. Accepted and remapped before the Venice proxy; prefer lyrics_prompt.",
                  "type": "string"
                },
                "lyrics_prompt": {
                  "description": "Optional lyrics for vocal tracks. Venice field name is lyrics_prompt. Required when the model has lyrics_required=true.",
                  "type": "string"
                },
                "model": {
                  "description": "Venice music model id. See GET /api/v1/models?type=music (short-clip songs first; 60s-floor ids like ACE-Step only with ?floor=all).",
                  "type": "string"
                },
                "prompt": {
                  "description": "Music description / style prompt. Required on queue (not on quote).",
                  "type": "string"
                }
              },
              "required": [
                "model",
                "prompt"
              ],
              "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"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "model": {
                  "type": "string"
                },
                "queue_id": {
                  "type": "string"
                },
                "status": {
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  },
  "chainId": 8453,
  "estimateBasis": "audio_venice_quote",
  "priceMult": 0.5,
  "tokenDecimals": 6,
  "upstreamUsd": 0.19
}

curl "https://x402.aispace.bot/api/v1/audio/queue"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://x402.aispace.bot/api/v1/audio/queue");
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://x402.aispace.bot/api/v1/audio/queue")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header