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farsi-tools Iranian Postal Code Validator
x402
farsi-tools Iranian Postal Code Validator is a paid API for AI agents from farsi-tools.johnaio281.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-31).
Validates a 10-digit Iranian postal code and returns whether it is valid along with its associated region/province
Price / call$0.005
Success—
StatusUnknown
How this service works
Persian (Farsi) and Iranian utility API for AI agents. Text normalization, transliteration, Jalali (Solar Hijri) calendar conversion, Persian digits and number-to-words, Iranian national ID / Sheba (IBAN) / mobile / landline / postal code / bank card (Luhn PAN) / company ID / economic code validators, Iranian provinces and cities, official Jalali holidays, Rial-Toman conversion. Also a FIXED-PRICE deliverable SKU: Persian/Arabic data cleanup at $0.90, $9 or $25 flat per file (not per call) - upload a CSV, TSV or text file and get it back normalized, with an optional Latin transliteration column. Pay per request in USDC on Base via x402 - no signup, no API key, no KYC.
Output
A JSON object with a boolean 'valid' field indicating whether the postal code is a legitimate 10-digit Iranian postal code, and a 'region' field containing the associated Iranian province or region name in Persian (e.g. تهران) if valid.
Example use cases
E-commerce address form validation
“A customer entered 1456395859 as their postal code on our Iranian checkout form — can you verify if it's a valid Iranian postal code and what region it's in?”
CRM data quality check
“I have a contact record with Iranian postal code 9876543210 — can you validate it and tell me which province it's associated with?”
Onboarding KYC address verification
“During user registration, someone provided 3715136544 as their Iranian postal code — please confirm if it's valid and what region it maps to.”
Technical details
Endpoint
GEThttps://farsi-tools.johnaio281.workers.dev/api/fa/validate-postal-code?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to validate Iranian (Persian) postal codes specifically, including resolving the associated geographic region. It is purpose-built for Iranian address data workflows, supports pay-per-call with no API key or signup required, and returns results in Persian script alongside a boolean validity flag — making it ideal for agent pipelines handling Iranian user data.
Side effects
- Missing or malformed 'value' query parameter returns an error
- Postal code that is not exactly 10 digits is flagged as invalid
- Non-numeric characters in postal code cause validation failure
- Valid-format but non-existent postal code area returns valid: false
- Payment failure (402) if USDC balance is insufficient on Base network
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"valid": true,
"region": "تهران"
}
}Tags
x402
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