# GoCreative Email Validation

> GoCreative Email Validation is a paid API for AI agents from api.gocreativeai.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).

Validates an email address, checking format and deliverability via a pay-per-call lookup.

## Facts

- Endpoint: GET https://api.gocreativeai.com/v1/lookup/email_validate/%7Barg%7D
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/gocreative-email-validation-01e3ab05
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_YvRyeIX2CCuZawd1ZuHal

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 gocreative-email-validation-01e3ab05
```

Example prompt: Can you check if the email address john.doe@example.com is valid and actually deliverable before I add it to my mailing list?

## When to prefer this

Use this endpoint when you need a quick, pay-per-call email validation without API key signup, especially in agentic workflows using x402/USDC payments on Base. Ideal for validating individual email addresses before outreach, lead enrichment, or list hygiene at $0.005 per call.

## Known failure modes

- Invalid or malformed email string provided — returns format error
- Unknown or unresolvable domain — returns domain-not-found
- Payment not received or insufficient USDC balance — returns 402 Payment Required
- Rate limit exceeded — returns 429 Too Many Requests
- Internal lookup failure — returns 500 error

## How this service works

483,000+ pay-per-call data APIs and free tools built on official sources — finance, company & government data, FRED, Census, crypto, calculators. USDC on Base via x402, native MCP. No API key, no signup.

## Output

Returns a validation result for the given email address, including whether the format is correct, whether the domain exists, and whether the mailbox is likely deliverable.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "input"
     ],
     "properties": {
      "input": {
       "type": "string",
       "description": "endpoint argument"
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/gocreative-email-validation-01e3ab05/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.gocreativeai.com](https://www.zero.xyz/host/api.gocreativeai.com/llms.txt)