xxHash32 digest API

Computes the 32-bit xxHash (XXH32) of bytes with an optional seed, faithfully implementing the 16-byte block rounds, tail mix, and avalanche finalizer. Answers 'What is the xxHash32 of this data?', 'Compute a seeded xxHash32 for sharding.'

Price$0.02per request

MethodPOST

Route/v1/encoding/xxhash32

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

xxhashxxh32hashnon-cryptographicfast-hashseed32-bitencoding

API URLhttps://x402.hexl.dev/v1/encoding/xxhash32

Integration docs

Example request

{
  "value": "test"
}

Example response

{
  "hash": 1042293711,
  "hashHex": "0x3e2023cf",
  "seed": 0,
  "byteLength": 4,
  "interpretation": "xxHash32 (seed 0) of 4 bytes = 0x3e2023cf."
}

Input schema

{
  "type": "object",
  "required": [
    "value"
  ],
  "properties": {
    "value": {
      "type": "string",
      "examples": [
        "test"
      ]
    },
    "seed": {
      "type": "number",
      "examples": [
        0
      ]
    },
    "inputEncoding": {
      "type": "string",
      "examples": [
        "utf8",
        "hex",
        "base64"
      ]
    }
  }
}

Output schema

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