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Delx Commerce — Set Intersection
x402
Delx Commerce — Set Intersection is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).
Computes the intersection of two arrays, returning the common elements and their count
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.
Output
A JSON object containing the count of intersecting elements and an array of the items present in both input arrays, tagged with schema identifier 'delx/util-set-intersect/v1'.
Example use cases
Finding shared user interests
“I have two lists of user interest tags — ["music","sports","travel","cooking"] and ["travel","gaming","cooking","movies"] — what interests do both users share?”
Matching product categories
“Here are two sets of product category IDs from different catalogs: [101, 202, 303, 404] and [202, 404, 505, 606] — which category IDs appear in both?”
Comparing permission sets
“I have two permission lists — ["read","write","delete","admin"] and ["read","execute","write"] — tell me which permissions are common to both.”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/set-intersect?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, pay-per-use set intersection computation without standing up your own infrastructure, especially in agent workflows using x402 micropayments on Base or Solana. It is ideal for lightweight utility operations where no signup or API key is required.
Side effects
- Missing or non-array inputs for 'a' or 'b' fields returns an error
- Empty arrays return count 0 and empty items array
- Payment failure or insufficient USDC balance blocks request
- Malformed JSON body results in 400 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| a | array | Input field: a. |
| b | array | Input field: b. |
Output
Schema · Response
{
"type": "json",
"example": {
"count": 1,
"items": [
2
],
"schema": "delx/util-set-intersect/v1"
}
}Tags
x402
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