Textus: structured content with editable baseline direction, characters and scenes for aud

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xa7dc8879743Df27c4937dF48e5281b67D279E5E6",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "490000",
    "maxTimeoutSeconds": 60
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "pathParams": {
          "id": "der-suesse-brei"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "basisDirection": {
            "interpretation": "editable_baseline",
            "scenes": [
              {
                "id": "s01",
                "title": "Zwei Strophen"
              }
            ],
            "speakers": {
              "narrator": {
                "role": "narrator"
              }
            }
          },
          "content": {
            "paragraphs": [
              "Der Abend malt das Fenster blau.\nIm Garten fällt der letzte Tau."
            ]
          },
          "id": "content-format-example",
          "kind": "textus_content_production_material",
          "metadata": {
            "estimatedReadingSeconds": 10,
            "wordCount": 25
          },
          "rights": {
            "evaluationOnly": true
          },
          "schemaVersion": "1.1"
        },
        "format": "https://api.textus.dev/schemas/content-artifact-1.schema.json",
        "type": "json"
      }
    },
    "routeTemplate": "/api/v1/resources/:id/content.json",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "description": "Partial synthetic preview; full evaluation sample: https://api.textus.dev/api/v1/samples/content-production-material.json",
      "properties": {
        "input": {
          "properties": {
            "method": {
              "const": "GET"
            },
            "pathParams": {
              "properties": {
                "id": {
                  "description": "ID from https://api.textus.dev/api/v1/resources.json; require purchaseAvailable=true.",
                  "examples": [
                    "der-suesse-brei"
                  ],
                  "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$",
                  "type": "string"
                }
              },
              "required": [
                "id"
              ],
              "type": "object"
            },
            "type": {
              "const": "http"
            }
          },
          "required": [
            "type",
            "method",
            "pathParams"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  },
  "textus": {
    "code": "payment_required",
    "message": "PAYMENT-SIGNATURE header is required.",
    "requestId": "cc50bbde45c97ef363c642fb",
    "retryable": true,
    "version": "1.0"
  },
  "textusProduct": {
    "artifactDigest": "sha256:a8f8e154b8a0fd700e8dfe07db1b4daa295fb049348f0f68e824a016f44db341",
    "artifactRevision": "content-1+sha256.a8f8e154b8a0",
    "productKind": "content_production_material",
    "sku": "content-production-material-v1",
    "termsVersion": "1.1.0"
  }
}

curl "https://api.textus.dev/api/v1/resources/:id/content.json"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

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