Deliver a 17-byte message (30d retention) to the wallet-addressed mailbox 0x318327234c2bED

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x5c7872C6aA7Da867F52733Cebf469f4b9A113f2B",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "body_b64": "aGVsbG8gZnV0dXJlIHNlbGY=",
          "content_type": "text/plain",
          "idempotency_key": "example-1",
          "ttl_days": 30
        },
        "bodyType": "json",
        "method": "POST",
        "pathParams": {
          "address": "0x5c7872C6aA7Da867F52733Cebf469f4b9A113f2B"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "expires_at": "2026-09-13T00:00:00.000Z",
          "message_id": "lm_mssqfu37dsc32ksm"
        },
        "type": "json"
      }
    },
    "routeTemplate": "/v1/mb/:address/messages",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "body_b64": {
                  "description": "Inline body, base64-encoded, up to 32KB. Larger: body_upload:true + size_bytes, then PUT to upload_url.",
                  "type": "string"
                },
                "body_upload": {
                  "description": "Large-body mode (up to 10MB)",
                  "type": "boolean"
                },
                "content_type": {
                  "description": "MIME type of the message body",
                  "type": "string"
                },
                "encrypted": {
                  "description": "Body is sealed-box ciphertext for the recipient directory key",
                  "type": "boolean"
                },
                "idempotency_key": {
                  "description": "Makes retries safe - strongly recommended",
                  "type": "string"
                },
                "producer": {
                  "description": "Who you are, so the recipient can filter",
                  "type": "string"
                },
                "product": {
                  "description": "message (default) or receipt_vault (flat $0.02, 365d, <=32KB)",
                  "type": "string"
                },
                "size_bytes": {
                  "description": "Declared size when body_upload is true",
                  "type": "number"
                },
                "tag": {
                  "description": "Recipient-side filter tag",
                  "type": "string"
                },
                "ttl_days": {
                  "description": "Retention, 1-365 days (default 30); priced per 90d extension",
                  "type": "number"
                }
              },
              "required": [
                "content_type"
              ]
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST",
                "PUT",
                "PATCH"
              ],
              "type": "string"
            },
            "pathParams": {
              "properties": {
                "address": {
                  "description": "Recipient EVM wallet address - the mailbox identity",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://locker.veritap.dev/v1/mb/:address/messages"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://locker.veritap.dev/v1/mb/:address/messages");
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://locker.veritap.dev/v1/mb/:address/messages")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header