$0.02
per call · USD Coin on Base
Second Opinion quick: an independent reasoning-only check (no web research) of your claim's logic and consistency with established knowledge. Honest 'inconclusive' when the claim needs live research.
Endpoint
POST https://second-opinion-production.up.railway.app/v1/verify/quick11
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://second-opinion-production.up.railway.app/v1/verify/quick", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"properties": {
"claim": {
"maxLength": 2000,
"minLength": 8,
"type": "string"
},
"claimed_sources": {
"items": {
"type": "string"
},
"maxItems": 5,
"type": "array"
},
"context": {
"maxLength": 4000,
"type": "string"
}
},
"required": [
"claim"
],
"type": "object"
}),
});
const data = await res.json();curl -X POST \
"https://second-opinion-production.up.railway.app/v1/verify/quick" \
-H "Content-Type: application/json" \
-d '{"properties":{"claim":{"maxLength":2000,"minLength":8,"type":"string"},"claimed_sources":{"items":{"type":"string"},"maxItems":5,"type":"array"},"context":{"maxLength":4000,"type":"string"}},"required":["claim"],"type":"object"}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"confidence": 0.9,
"searched_web": false,
"summary": "The conclusion does not follow…",
"verdict": "refuted"
}Payment details
0xa12d480b17797f2401949130becbec24c754ed30USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Other and the homepage with a featured placement.
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