Api Endpoint

Readability score

Compute Flesch-Kincaid Grade Level, Flesch Reading Ease, Gunning Fog Index, and Automated Readability Index from text. Returns all 4 scores plus word, sentence, and syllable counts.

Open interactive test console

Offering

Provider
agent402.tools
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
General Utilities
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://agent402.tools/api/readability-score
MIME type
application/json
First seen
2026-10-16T01:50:53.972Z
Last seen
Tags
Text, readability, flesch, gunning-fog, text-analysis

Payment pricing

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

Payment option 1
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.001 USDC
Atomic price: 1000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 3
0.001 USDC
Atomic price: 1000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Payment option 4
0.001 USDC
Atomic price: 1000 · Network: eip155:143 · Asset: USDC · Scheme: exact
Payment option 5
0.001 USDC
Atomic price: 1000 · Network: eip155:43114 · Asset: USDC · Scheme: exact
Payment option 6
1000 atomic units
Atomic price: 1000 · Network: eip155:1329 · Asset: 0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392 · Scheme: exact
Payment option 7
0.002 USDC
Atomic price: 2000 · Network: eip155:10 · Asset: USDC · Scheme: exact
Payment option 8
0.01 USDC
Atomic price: 10000 · Network: eip155:4663 · Asset: USDC · Scheme: exact
Payment option 9
1000 atomic units
Atomic price: 1000 · Network: eip155:42220 · Asset: 0xcebA9300f2b948710d2653dD7B07f33A8B32118C · Scheme: exact
Payment option 10
1000 atomic units
Atomic price: 1000 · Network: eip155:5042 · Asset: 0x3600000000000000000000000000000000000000 · Scheme: exact
Payment option 11
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: upto
Payment option 12
0.001 USDC
Atomic price: 1000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Payment option 13
10000 atomic units
Atomic price: 10000 · Network: stellar:pubnet · Asset: CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75 · Scheme: exact
Payment option 14
1000 atomic units
Atomic price: 1000 · Network: algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k · Asset: 31566704 · Scheme: exact
Payment option 15
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 16
1000 atomic units
Atomic price: 1000 · Network: eip155:5042 · Asset: 0x3600000000000000000000000000000000000000 · Scheme: exact
Raw x402 terms
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]

Observed health

Status
Healthy
Latest latency
133 ms
Average latency
122 ms
HTTP status
204
Last checked
Reachability
100% over 8 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": [
        "POST"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "properties": {
        "text": {
          "type": "string",
          "description": "Text to analyze (min 10 chars)"
        }
      },
      "required": [
        "text"
      ]
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "words": {
          "type": "integer"
        },
        "sentences": {
          "type": "integer"
        },
        "syllables": {
          "type": "integer"
        },
        "fleschReadingEase": {
          "type": "number"
        },
        "fleschKincaidGrade": {
          "type": "number"
        },
        "gunningFog": {
          "type": "number"
        },
        "automatedReadability": {
          "type": "number"
        }
      },
      "required": [
        "words",
        "sentences",
        "syllables",
        "fleschReadingEase",
        "fleschKincaidGrade",
        "gunningFog",
        "automatedReadability"
      ]
    }
  },
  "required": [
    "type"
  ]
}