Tool detail

DiffiCat

Captures a full-page screenshot of one public web page in Chromium and returns a link to the PNG image.

Categories: Browser automation

Use when

capture a full-page screenshot of a public URL
save a reference screenshot of a page before making changes

Not for

not for comparing two pages — DiffiCat's main product is a two-URL visual diff tool

Inputs

POST JSON body: { url: string(uri, required), viewportWidth?: int 320-2560, auth?: {username,password} }

Admitted input schema

{
  "type": "object",
  "properties": {
    "auth": {
      "type": "object",
      "properties": {
        "password": {
          "type": "string",
          "minLength": 0,
          "maxLength": 4096
        },
        "username": {
          "type": "string",
          "minLength": 0,
          "maxLength": 4096
        }
      },
      "required": [
        "username",
        "password"
      ],
      "additionalProperties": false
    },
    "url": {
      "type": "string",
      "minLength": 0,
      "maxLength": 2048,
      "format": "uri"
    },
    "viewportWidth": {
      "type": "integer",
      "minimum": 320,
      "maximum": 2560
    }
  },
  "required": [
    "url"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://app.difficat.com/api/v1/screenshots

Payment

Protocol: x402
Listed price: 0.02 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://app.difficat.com/api/v1/screenshots
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z