Tool detail

email

Verifies the deliverability of a single email address and returns a pass/fail verdict.

Categories: Contact enrichment

Use when

check whether one email address is deliverable before sending
validate a signup form's email address

Not for

not batch validation — one address per call, see kadec0's email-validate for up to 25
not a full mailing-list cleaner

Inputs

POST JSON body: { email: string (required, email format) }

Admitted input schema

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

Endpoint

Method: POST
URL: https://win.oneshotagent.com/v1/tools/verify/email

Payment

Protocol: x402
Listed price: 0.001 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://win.oneshotagent.com/v1/tools/verify/email
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z