API documentation

Get a trial API key

Opens a trial account and returns its API key, with no sign-up. The key is shown once; only its hash is kept. The trial plan includes a fixed number of paycheck computations.

REST: POST /v1/trial-keys MCP tool: account_create_trial No key needed

Refusal codes

input_invalid (400) The request does not match the action’s input schema.
rate_limited (429) Too many requests from this client; slow down.
database_unavailable (503) The ledger database cannot be reached right now.

Input (JSON Schema)

{
  "type": "object",
  "properties": {
    "label": {
      "type": "string",
      "minLength": 1,
      "maxLength": 80,
      "default": "trial"
    }
  },
  "required": [],
  "$schema": "http://json-schema.org/draft-07/schema#"
}