$0.02
per call · USD Coin on Base
Semantic similarity ranking — send a query plus up to 100 candidate texts, get the candidates back ranked by semantic similarity with scores. No vectors, no cosine math, no embedding model to manage: one call, one price, ranked results. Flat $0.02 per call in USDC via x402, no API key. For RAG retrieval, FAQ matching, and search result ordering.
Endpoint
POST https://netintel.dev/semantic/rank1
Calls / 30d
1
Unique payers / 30d
Aug 20
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://netintel.dev/semantic/rank", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"candidates": [
"Use the Forgot Password link to recover your account.",
"Refunds are accepted within 30 days.",
"Our offices open at 9:00 AM."
],
"query": "How do I reset my password?",
"top_k": 2
}),
});
const data = await res.json();curl -X POST \
"https://netintel.dev/semantic/rank" \
-H "Content-Type: application/json" \
-d '{"candidates":["Use the Forgot Password link to recover your account.","Refunds are accepted within 30 days.","Our offices open at 9:00 AM."],"query":"How do I reset my password?","top_k":2}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"dimensions": 1536,
"method": "embedding_similarity",
"model": "text-embedding-3-small",
"normalized": true,
"provider": "openai",
"results": [
{
"index": 0,
"score": 0.5361,
"text": "Use the Forgot Password link to recover your account."
},
{
"index": 1,
"score": 0.1399,
"text": "Refunds are accepted within 30 days."
}
],
"usage": {
"prompt_tokens": 36
}
}Payment details
0xdadc335482ad545296fd7b28518a251ffcbeb9dfUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Search & Web and the homepage with a featured placement.
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