Rerank (Cohere-compatible) · Rerank
$0.002
per call · USD Coin on Base
Rerank documents against a query over x402 - the Cohere /rerank wire ({query, documents[], top_n} -> results with relevance_score), served by cohere/rerank-v3.5, $0.002 per call in USDC, no API key, no signup. Up to 50 documents (1,600 chars each, 40k total) and a 500-char query per call. Deterministic, so a byte-identical repeat within 10 minutes is served FREE from cache (X-Cache: hit; opt out with cache:false).
Endpoint
POST https://agent402.tools/v1/rerank50
Calls / 30d
1
Unique payers / 30d
Sep 10
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://agent402.tools/v1/rerank", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"documents": [
"Paris is the capital of France.",
"Berlin is the capital of Germany.",
"Madrid is in Spain."
],
"query": "What is the capital of France?",
"top_n": 2
}),
});
const data = await res.json();curl -X POST \
"https://agent402.tools/v1/rerank" \
-H "Content-Type: application/json" \
-d '{"documents":["Paris is the capital of France.","Berlin is the capital of Germany.","Madrid is in Spain."],"query":"What is the capital of France?","top_n":2}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"id": "gen-rerank-…",
"model": "rerank-v3.5",
"results": [
{
"document": {
"text": "Paris is the capital of France."
},
"index": 0,
"relevance_score": 0.89
},
{
"document": {
"text": "Berlin is the capital of Germany."
},
"index": 1,
"relevance_score": 0.15
}
],
"usage": {
"search_units": 1
}
}Payment details
0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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