Tool detail

realcite-url

Verifies a URL resolves, its final status and redirect chain, Wayback Machine archival, and optional expected-content match.

Categories: Web research, Website analysis

Use when

check whether a cited URL still resolves
confirm a URL is archived on the Wayback Machine
verify a page contains expected text before citing it

Not for

not a legal-case, filing, or package existence check, those are separate endpoints
not proof content is unchanged since archiving unless expected_content is set

Inputs

POST JSON body: { url: string (uri) } (required); expected_content, expected_date (optional)

Admitted input schema

{
  "type": "object",
  "properties": {
    "expected_content": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Optional text that should appear on the page."
    },
    "expected_date": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Optional ISO date (YYYY-MM-DD); checks for an archived snapshot near this date."
    },
    "url": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "format": "uri",
      "description": "The URL to verify. Must be http or https."
    }
  },
  "required": [
    "url"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://goodsong.dev/verify/url

Payment

Protocol: x402
Listed price: 0.005 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://goodsong.dev/verify/url
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z