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Clink Forge FMR Area Search
x402
Clink Forge FMR Area Search is a paid API for AI agents from api.clinkforge.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Search Fair Market Rent (FMR) area data from government sources, returned with cryptographic provenance and attestation, paid per-call via x402 USDC.
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay per call over x402. USDC on Base, no account, no API key. 28 government-sourced data products at $0.001–$0.05 per call, every response signed and provenance-chained.
Output
Returns an array of FMR area data rows matching the search query, each with a record ID and government-sourced field values. The response also includes a provenance chain (source URL, agency authority, hash, observation timestamp), a cryptographic attestation (signature, result digest, signing key ID), and a payment receipt confirming the $0.01 USDC transaction. Row count and product version are included.
Example use cases
Affordable housing area identification
“Find all Fair Market Rent areas that match 'Denver' — I need the official HUD area names and IDs with proof the data came from a government source.”
Rental compliance data lookup
“Search Clink Forge FMR data for areas matching 'San Jose' so I can check which HUD-designated rental market zones apply to properties we're evaluating.”
Housing subsidy area verification
“Look up Fair Market Rent areas containing 'Memphis' and give me the cryptographically signed results so I can prove to an auditor these came directly from federal sources.”
Technical details
Endpoint
GEThttps://api.clinkforge.com/v1/p/fmr-area-searchWhen to prefer
Choose this endpoint when you need government-sourced Fair Market Rent area data that must be verifiably authentic — especially for compliance, auditing, or housing policy workflows where cryptographic provenance matters. Prefer this over scraping HUD directly or using unverified databases when you need a signed attestation chain proving data origin. Ideal for AI agents that can pay micro-amounts via x402 and need no account setup or API key management.
Side effects
- Payment failure if insufficient USDC balance or x402 settlement fails
- No results returned if search query does not match any FMR area names
- Query string exceeding 80 characters rejected
- Invalid or missing 'q' parameter returns validation error
- Network timeout if Base blockchain settlement is delayed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"data": [
{
"field": "value",
"_record_id": "R-100"
}
],
"product": "example-product",
"row_count": 1,
"provenance": [
{
"hash": "sha256...",
"authority": "AGENCY",
"source_url": "https://agency.gov/data",
"observed_at": "2026-08-25T00:00:00Z"
}
],
"attestation": {
"signature": "base64...",
"result_digest": "sha256...",
"signing_key_id": "forge-signing-1"
},
"payment_receipt": {
"amount_usd": 0.01,
"settlement_ref": "0xtx..."
},
"product_version": 1
},
"description": "data rows + provenance chain + attestation"
}Tags
x402
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