Canonical JSON digest API

Canonicalize JSON with stable key ordering and return deterministic SHA digests for signing or comparison.

Price$0.01per request

MethodPOST

Route/v1/trust/canonicalize/json

StatusLive

MIME typeapplication/json

Rate limit180/minute

CacheNo cache

trustjsoncanonicalizehashdigest

API URLhttps://x402.hexl.dev/v1/trust/canonicalize/json

Integration docs

Example request

{
  "value": {
    "b": 2,
    "a": 1
  }
}

Example response

{
  "canonical": "{\"a\":1,\"b\":2}",
  "hashes": {
    "sha256": "43258cff783fe7036d8a43033f830adfc60ec037382473548ac742b888292777"
  },
  "provider": "local-json-canonicalizer"
}

Input schema

{
  "type": "object",
  "required": [
    "value"
  ],
  "properties": {
    "value": {},
    "algorithms": {
      "type": "array",
      "items": {
        "type": "string",
        "enum": [
          "sha256",
          "sha512",
          "sha1"
        ]
      },
      "default": [
        "sha256"
      ]
    }
  }
}

Output schema

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