Registry expiry date for a domain read live from the authoritative registry RDAP server, w

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x9d6b6fdB04040a55d58B24ff4C90C08cf6083C8f",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "maxTimeoutSeconds": 60
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "pathParams": {
          "domain": "eckari.com"
        },
        "queryParams": {},
        "type": "http"
      },
      "output": {
        "example": {
          "data": {
            "days_until_expiry": 363,
            "domain": "eckari.com",
            "expires_at": "2027-08-17T08:03:38.000Z",
            "is_registered": true,
            "rdap_last_update": "2026-08-18T13:20:44.000Z",
            "registrar_name": "NameCheap, Inc.",
            "status": [
              "client transfer prohibited"
            ],
            "terms_url": "https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml"
          },
          "meta": {
            "capability": "domain.expiry",
            "freshness": "near_live",
            "source": "rdap",
            "version": "2.1.0"
          }
        },
        "type": "json"
      }
    },
    "routeTemplate": "/v1/domains/:domain/expiry",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "pathParams": {
              "additionalProperties": false,
              "properties": {
                "domain": {
                  "description": "Bare domain name such as example.com or bbc.co.uk. Internationalised names are converted to punycode (IDNA). URLs, paths, ports and single-label names are rejected.",
                  "maxLength": 253,
                  "minLength": 3,
                  "pattern": "^[^ /:?#@]{3,253}$",
                  "type": "string"
                }
              },
              "required": [
                "domain"
              ],
              "type": "object"
            },
            "queryParams": {
              "properties": {},
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  },
  "payment-identifier": {
    "info": {
      "required": false
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "id": {
          "maxLength": 128,
          "minLength": 16,
          "pattern": "^[a-zA-Z0-9_-]+$",
          "type": "string"
        },
        "required": {
          "type": "boolean"
        }
      },
      "required": [
        "required"
      ],
      "type": "object"
    }
  }
}

curl "https://api.eckari.com/v1/domains/:domain/expiry"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

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