Tool detail

Sindri

Validates whether a string is a syntactically well-formed email address using a standard Node.js validation library.

Categories: Utilities, Contact enrichment

Use when

validate an email address's syntax before using it
catch malformed emails that a simple regex would miss

Not for

not a deliverability or mailbox-existence check -- syntax only

Inputs

POST JSON body: { value: string } (required) -- the string to validate as an email address, up to 4096 chars

Admitted input schema

{
  "type": "object",
  "properties": {
    "value": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "The string to validate as an email address."
    }
  },
  "required": [
    "value"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/isEmail

Payment

Protocol: x402
Listed price: 0.01 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://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/isEmail
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z