# Delx Commerce Email Syntax Check

> Delx Commerce Email Syntax Check is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).

Validates the syntax of an email address and parses it into local and domain parts

## Facts

- Endpoint: POST https://commerce.delx.ai/api/v1/x402/email-syntax-check?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-01
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/delx-commerce-email-syntax-check-9d498875
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ZTQkCRTi13a6icbdxzd6a

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability delx-commerce-email-syntax-check-9d498875 -d '<json body>'
```

Example prompt: Can you check whether 'john.doe@example.com' is a syntactically valid email address and tell me what the local part and domain are?

## When to prefer this

Choose this endpoint when you need a fast, pay-per-call, no-signup email syntax check that returns structured local/domain parts alongside the validity flag. Ideal for AI agents that need lightweight email format validation without managing API keys or subscriptions, and that settle payments via USDC on Base or Solana using the x402 protocol.

## Known failure modes

- Missing or empty email field returns a validation error
- Malformed JSON request body causes a 400-level error
- Payment failure via x402 protocol results in 402 Payment Required before processing
- Extremely long or pathological strings may be rejected

## How this service works

Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.

## Output

Returns a JSON object with a boolean 'ok' indicating whether the email is syntactically valid, the 'local' part (before the @), the 'domain' part (after the @), and a schema identifier string. No network lookup or mailbox verification is performed — purely structural/syntactic analysis.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "email": {
   "type": "string",
   "description": "Email address to validate"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ok": true,
  "local": "user",
  "domain": "example.com",
  "schema": "delx/util-email-syntax-check/v1"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/delx-commerce-email-syntax-check-9d498875/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from commerce.delx.ai](https://www.zero.xyz/host/commerce.delx.ai/llms.txt)