Tool detail

Hash

Computes a cryptographic hash (sha256, sha512, sha1 or md5) of a text string, returned as hex and base64.

Categories: Utilities

Use when

get a sha256 fingerprint of a text string
create a deterministic content id for a string of text
verify data integrity with a checksum

Not for

not for hashing files or binaries — text input only, max 100KB
not a general cryptography library — hashing only

Inputs

POST JSON body: { text: string (required, max 100KB), algo: sha256|sha512|sha1|md5 (optional, default sha256) }

Admitted input schema

{
  "type": "object",
  "properties": {
    "algo": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "sha256 | sha512 | sha1 | md5"
    },
    "text": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Text to hash (max 100KB)"
    }
  },
  "required": [
    "text"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://agent402.tools/api/hash

Payment

Protocol: x402
Listed price: 0.001 USDC per call on Base (also payable free via proof-of-work)
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://agent402.tools/api/hash
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z