Tool detail

Generate a ULID

Generates one or more lexicographically sortable ULIDs, monotonic within a single call.

Categories: Utilities

Use when

generate a unique sortable identifier
batch-generate multiple ULIDs at once

Not for

not a UUID generator — output format is ULID only

Inputs

POST JSON body, both optional: count (integer 1-1000, default 1); time (Unix ms timestamp seed, default now)

Admitted input schema

{
  "type": "object",
  "properties": {
    "count": {
      "type": "integer",
      "minimum": 1,
      "maximum": 1000,
      "description": "How many ULIDs to generate. Defaults to 1."
    },
    "time": {
      "type": "integer",
      "minimum": 0,
      "maximum": 281474976710655,
      "description": "Optional Unix ms timestamp to seed the time component. Defaults to now."
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://id.openverbs.com/v1/ulid

Payment

Protocol: x402
Listed price: 0.002 USDC per call on Base
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://id.openverbs.com/v1/ulid
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z