# Verifik AI — US Passport Entry Validation

> Verifik AI — US Passport Entry Validation is a paid API for AI agents from ai.verifik.co, paid per call via x402, $0.5/call, status unknown (last checked 2026-10-12).

Validates a US passport entry by checking name, date of birth, passport number, and country against authoritative registry data.

## Facts

- Endpoint: POST https://ai.verifik.co/api/passport/us/entries?utm_source=zero.xyz
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/verifik-ai-us-passport-entry-validation-b2ba272e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_5DbwrXXPC1oFmG8YTyIKA

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 verifik-ai-us-passport-entry-validation-b2ba272e -d '<json body>'
```

Example prompt: Can you verify this passport for KYC? First name: Maria, last name: Gonzalez, date of birth: 1988-04-15, passport number: A12345678, passport country: US.

## When to prefer this

Use this endpoint when you need pay-per-call US passport identity verification with no subscription lock-in, especially in autonomous agent or x402 payment workflows where you need cryptographically signed KYC responses for compliance or onboarding.

## Known failure modes

- Passport number not found in registry — returns error or no-match result
- Invalid or malformed date of birth format — returns validation error
- Missing required fields (any of firstName, lastName, dateOfBirth, passportNumber, passportCountry) — returns 400 or schema error
- Payment not completed — returns HTTP 402 requiring USDC payment
- Passport country not supported — returns unsupported country error
- Rate limiting or service unavailability — returns 429 or 503

## How this service works

Verifik AI — x402 KYC &amp; KYB for autonomous agents, with deep LATAM coverage: national IDs, companies, vehicles, sanctions, and regional registries. Pay per validation, no subscription lock-in.

## Output

A JSON object containing a validation result and a cryptographic signature, indicating whether the submitted passport details match authoritative records. Typically includes a data field with match status and a signature field for integrity verification.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "lastName",
  "firstName",
  "dateOfBirth",
  "passportNumber",
  "passportCountry"
 ],
 "properties": {
  "lastName": {
   "type": "string",
   "description": "Parameter: lastName"
  },
  "firstName": {
   "type": "string",
   "description": "Parameter: firstName"
  },
  "dateOfBirth": {
   "type": "string",
   "description": "Parameter: dateOfBirth"
  },
  "passportNumber": {
   "type": "string",
   "description": "Parameter: passportNumber"
  },
  "passportCountry": {
   "type": "string",
   "description": "Parameter: passportCountry"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "description": "Verifik API JSON response (typically data and signature).",
 "additionalProperties": true
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/verifik-ai-us-passport-entry-validation-b2ba272e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from ai.verifik.co](https://www.zero.xyz/host/ai.verifik.co/llms.txt)