nanoid entropy analysis API

Analyzes a nanoid string: length, distinct characters, URL-safety, and the entropy implied by the default 64-symbol alphabet (bits per char and total). Answers 'How much entropy does this nanoid carry?', 'Is this nanoid URL-safe?'

Price$0.01per request

MethodPOST

Route/v1/encoding/nanoid-info

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

nanoidentropyidanalyzeurl-safebitscollisionencoding

API URLhttps://x402.hexl.dev/v1/encoding/nanoid-info

Integration docs

Example request

{
  "value": "V1StGXR8_Z5jdHi6B-myT"
}

Example response

{
  "length": 21,
  "alphabetSize": 64,
  "distinctChars": 21,
  "bitsPerChar": 6,
  "totalEntropyBits": 126,
  "uniqueChars": "-1568BGHRSTVXZ_dijmty",
  "looksUrlSafe": true,
  "interpretation": "21-char nanoid carries ~126.0 bits of entropy (default 64-symbol alphabet); URL-safe=true."
}

Input schema

{
  "type": "object",
  "required": [
    "value"
  ],
  "properties": {
    "value": {
      "type": "string",
      "examples": [
        "V1StGXR8_Z5jdHi6B-myT"
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}