Tool detail

check

Checks whether a domain name is available and returns its current registration/renewal price.

Categories: Domains IP

Use when

check if a domain name is available to register
get the current price to register or renew a domain

Not for

not domain registration itself — see the register endpoint
not DNS management or domain transfer

Inputs

POST JSON body: { domain: string } (required, e.g. example.com).

Admitted input schema

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096
    }
  },
  "required": [
    "domain"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://stable-domains-git-ben-upgrade-agentcash-r-bb6a65-merit-systems.vercel.app/api/check

Payment

Protocol: x402
Listed price: 0.01 USDC per call on Base (docs: 0.01-0.05 depending on TLD)
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://stable-domains-git-ben-upgrade-agentcash-r-bb6a65-merit-systems.vercel.app/api/check
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z