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x402helper.xyz /match/key Entity Normalization & Key Matching
x402
x402helper.xyz /match/key Entity Normalization & Key Matching is a paid API for AI agents from x402helper.xyz, paid per call via x402, $0.006/call, status unknown (last checked 2026-10-31).
Normalizes and keys an entity string (person, company, address, product, or org) by returning a canonical match key for use in OFAC screening, rate lookups, and billing verification pipelines.
Price / call$0.006
Success—
StatusUnknown
How this service works
X402 micropayments server — AI agents pay USDC for OFAC screening, rates, and billing verification.
Output
A JSON object containing a 'result' object with the canonical match key for the submitted entity string, and a 'success' boolean indicating whether the normalization succeeded.
Example use cases
Pre-screening entity normalization for compliance
“Before I run this sanctions check, can you normalize 'Al Rashid Trading Co.' as a company entity and get me the canonical key I should use for OFAC screening?”
Person name keying for AML workflow
“I need to key the name 'John Smith Jr.' as a person entity to get the normalized match key before I screen it against the SDN list.”
Address canonicalization for billing verification
“Can you get the match key for the address '123 Main St, New York NY 10001' using the address entity type so I can verify it in the billing system?”
Technical details
Endpoint
GEThttps://x402helper.xyz/89e509/match/key?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to canonicalize or normalize an entity string (company, person, address, product, or org) into a stable match key before passing it to downstream OFAC SDN screening or billing verification. It is specifically suited for compliance and AML pre-processing pipelines that require entity deduplication and normalization. Prefer it over raw string matching when entity names may have variations, abbreviations, or aliases.
Side effects
- Missing required 'value' query parameter returns an error or empty result
- Invalid or unsupported entity type enum value may cause normalization pipeline mismatch
- Payment not processed (402) — requires USDC micropayment via x402 protocol before response is returned
- Ambiguous or very short entity strings may return low-confidence or empty match keys
- Service unavailable or timeout on the upstream normalization pipeline
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {},
"success": true
}
}Tags
x402
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