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Age Verification by Date of Birth
x402
Age Verification by Date of Birth is a paid API for AI agents from api.strale.io, paid per call via x402, $0.0216/call, status unknown (last checked 2026-09-13).
Verifies whether a person meets a minimum age requirement based on their date of birth, with optional custom age threshold and reference date.
Price / call$0.0216
Success—
StatusUnknown
How this service works
Verify if a person meets a minimum age requirement based on their date of birth. Returns exact age, whether the threshold is met, and days until the threshold (if not met). Accounts for leap years.
Output
Returns a boolean or structured result indicating whether the person meets the specified minimum age requirement, given their date of birth and an optional reference date.
Example use cases
Verify customer eligibility for financial product
“I need to check if our new customer who was born on 1985-07-22 qualifies for our investment account, which requires being at least 18 years old.”
Age gate users during account creation
“When someone signs up and enters their birthdate as 2008-11-30, can you quickly tell me if they're old enough to use our platform that requires users to be 13 or older?”
Compliance check for age-restricted purchase
“A customer wants to buy alcohol and their ID shows they were born on 2006-09-14—can you verify they meet the 21-year minimum age requirement as of today?”
Technical details
Endpoint
GEThttps://api.strale.io/x402/age-verifyWhen to prefer
Use this endpoint when you need a lightweight, purely algorithmic age check against a date of birth without requiring document upload or identity verification. Ideal for onboarding flows, age-gating, or compliance checks where you already have the user's date of birth and need a fast, cheap, deterministic pass/fail result.
Side effects
- Missing or malformed date_of_birth (not in YYYY-MM-DD format) — returns 400 or validation error
- Invalid minimum_age value (e.g. non-integer or negative) — returns error
- reference_date provided in wrong format — parsing error
- Payment not provided or insufficient — 402 Payment Required
- Future date of birth (impossible age) — may return false or error
Input
{
"minimum_age": 18,
"date_of_birth": "2000-06-15"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
{
"_meta": {
"payment": {
"method": "x402",
"price_usd": 0.0216,
"settlement_id": "0x0dc2ba6eb8f53e6d93e8949a6d83997f913438aa42d249165bd99f74504ae4ca"
},
"capability": "age-verify",
"latency_ms": 0,
"provenance": {
"source": "strale-age-calculator",
"fetched_at": "2026-06-13T04:24:56.995Z"
}
},
"age_days": 29,
"age_years": 25,
"age_months": 11,
"date_of_birth": "2000-06-15",
"meets_minimum": true,
"reference_date": "2026-06-13",
"days_until_minimum": null,
"date_of_birth_valid": true,
"minimum_age_checked": 18
}Tags
x402
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