Quick ZK Auth · Prove

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://zk.quickai.build/prove", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "min_balance_usdc": 1000,
    "tier": "basic",
    "wallet": "0x0000000000000000000000000000000000000001"
  }),
});
const data = await res.json();

curl -X POST \
  "https://zk.quickai.build/prove" \
  -H "Content-Type: application/json" \
  -d '{"min_balance_usdc":1000,"tier":"basic","wallet":"0x0000000000000000000000000000000000000001"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "block_number": 25000000,
  "calldata": "0x",
  "claims": {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "balance_proof_type": "rpc_attestation",
    "balance_qualifier_met": true,
    "min_balance_tier": "1000 USDC",
    "nullifier_scope": "quickzkauth-v1",
    "observed_balance_usdc": 2500.5,
    "ownership_proof_type": "semaphore_zk",
    "ownership_proven": true,
    "snapshot_block": 25000000
  },
  "erc8004_compatible": true,
  "expiry": "2026-06-03T01:30:00.000Z",
  "job_id": "550e8400-e29b-41d4-a716-446655440000",
  "on_chain_verifiable": false,
  "privacy_score": "maximal",
  "proof_hash": "0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef",
  "service_version": "1.0.1",
  "timestamp": "2026-06-03T01:00:00.000Z",
  "valid": true,
  "validation_registry_hint": {
    "reference_uri": "https://zk.quickai.build/proof/550e8400-e29b-41d4-a716-446655440000",
    "suggested_evidence_type": "zk_proof",
    "suggested_tag": "base_wallet_qualification"
  },
  "verified_by": "Quick AI — Coeur d'Alene, Idaho, US",
  "verifier_contract": "0x0000000000000000000000000000000000000000",
  "x402_payment_ref": {
    "amount_usdc": "0.05",
    "network": "eip155:8453",
    "payer": "0x0000000000000000000000000000000000000002",
    "poll_uri": "https://zk.quickai.build/proof/550e8400-e29b-41d4-a716-446655440000",
    "resource": "POST /prove",
    "status": "settled",
    "tx_hash": "0xabc1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcd"
  }
}