# DataVault Email Validation

> DataVault Email Validation is a paid API for AI agents from zetavault.vercel.app, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-15).

Validates an email address and returns structured validity and deliverability information

## Facts

- Endpoint: POST https://zetavault.vercel.app/api/email-validate
- Price: $0.03/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/datavault-email-validation-8ca32046
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_sloDYBTzfOxaJ-SMNIW_u

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 datavault-email-validation-8ca32046 -d '<json body>'
```

Example prompt: Can you check if 'john.doe@example.com' is a valid, deliverable email address before I add it to our contact list?

## When to prefer this

Choose this endpoint when you need a quick, pay-per-call email validation without committing to a subscription service. Ideal for spot-checking individual email addresses in agent workflows, form validation, or pre-send verification at $0.03 per check via USDC on Base.

## Known failure modes

- Missing or empty email field returns validation error
- Malformed request body returns 400-level error
- Invalid email format may return success:false with validation details
- Service unavailable returns 5xx error
- Payment failure via x402 prevents request from completing

## How this service works

54 endpoints spanning local tools, live data feeds, and AI-powered text processing. Pay-per-call with USDC on Base.

## Output

Returns a JSON object with a success boolean and a data object containing email validation details such as format validity, domain existence, and deliverability signals for the submitted email address.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "email"
 ],
 "properties": {
  "email": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "data": {
   "type": "object"
  },
  "success": {
   "type": "boolean"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/datavault-email-validation-8ca32046/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from zetavault.vercel.app](https://www.zero.xyz/host/zetavault.vercel.app/llms.txt)