Index onlineMerchant portal
Api Endpoint

api.x402node.dev

readability score, text readability, Flesch reading ease, reading grade level, reading level, text difficulty, reading age, readability index, text complexity, readability analysis, reading grade, reading ease, text level. Analyze text readability with multiple metrics including reading ease, grade level, syllable and sentence counts. For AI agents content optimization, education tools, writing assistants, accessibility checks. Accepts payment on Base or Solana — either network works.

Open interactive test console

Offering

Provider
api.x402node.dev
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
General Utilities
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.x402node.dev/text/readability
MIME type
application/json
First seen
2026-10-16T01:58:48.885Z
Last seen
Tags
None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.0022 USDC
Atomic price: 2200 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.0022 USDC
Atomic price: 2200 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2200",
    "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "2200",
    "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up"
  }
]

Observed health

Status
Healthy
Latest latency
180 ms
Average latency
553 ms
HTTP status
402
Last checked
Reachability
100% over 9 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "text": {
          "type": "string",
          "description": "Input text (required)"
        }
      },
      "required": [
        "text"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "input": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string",
          "const": "http"
        },
        "method": {
          "type": "string",
          "enum": [
            "GET"
          ]
        },
        "queryParams": {
          "type": "object",
          "properties": {
            "text": {
              "type": "string",
              "description": "Input text (required)"
            }
          },
          "required": [
            "text"
          ]
        }
      },
      "required": [
        "type",
        "method"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "input"
  ]
}