# x402.orthogonal.com Email Verification

> x402.orthogonal.com Email Verification is a paid API for AI agents from x402.orthogonal.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).

Verifies a single email address for deliverability and returns a search ID to poll for results

## Facts

- Endpoint: POST https://x402.orthogonal.com/icypeas/api/email-verification
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-orthogonal-com-email-verification-16ca81be
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_5P3SK1kz4dGKVZN3aT-_2

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 x402-orthogonal-com-email-verification-16ca81be -d '<json body>'
```

Example prompt: Can you verify whether john.smith@acme.com is a real, deliverable email address before I add it to my outreach list?

## When to prefer this

Use this endpoint when you need to verify a single email address for deliverability before sending outreach, adding to a CRM, or enriching a contact record. Prefer this over bulk solutions when validating individual contacts in real time. Pair with the Fetch Search Result endpoint to retrieve the final verdict after submitting.

## Known failure modes

- Invalid email format — malformed address rejected before lookup
- Non-existent domain — domain cannot be resolved
- Search ID returned but polling yields no result if verification times out
- Payment failure — 402 if USDC payment not provided
- Rate limiting or quota exceeded

## How this service works

Verify a single email address for deliverability. Returns a search ID to poll for results via the Fetch Search Result endpoint.

## Output

Returns a search ID that can be used to poll the Fetch Search Result endpoint for the email verification result, indicating whether the address is deliverable or not.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "email": {
   "type": "string",
   "description": "The email address to verify"
  },
  "custom": {
   "type": "object",
   "description": "Optional object with webhookUrl and/or externalId for tracking"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-orthogonal-com-email-verification-16ca81be/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.orthogonal.com](https://www.zero.xyz/host/x402.orthogonal.com/llms.txt)