Base Pre-Swap Risk Feed Pro

Pilot: $19/month. Target buyer: Bankr and Base trading-bot / wallet-router operators.

Fia Signals returns a pre-swap PASS / CAUTION / BLOCK JSON decision before a route executes, with honeypot, tax, liquidity, holder concentration, owner/admin risk, size caps, slippage caps, source status, and proof fields.

PASS / CAUTION / BLOCKJSON + webhookBase tokensno executionno signer

Live Sample 200 Response

https://x402.fiasignals.com/base-preswap-risk-feed-pro/sample

Single Decision Ticket

For one-off checks, use the $5 x402 route: /agent-trade-approval-ticket.

Self-Serve Pilot Checkout

Start the $19 pilot with x402 Base USDC: https://x402.fiasignals.com/base-preswap-risk-feed-pro/checkout?buyer=bankr.

Sample JSON

{
  "product_id": "base-preswap-risk-feed-pro",
  "name": "Fia Signals Base Pre-Swap Risk Feed Pro",
  "sample": true,
  "sample_response_only": true,
  "target_buyer": "Bankr / Base trading-bot and wallet-router operators",
  "subscription": {
    "pilot_price_usd_per_month": "19",
    "target_price_range_usd_per_month": "19-29",
    "self_serve_checkout_url": "https://x402.fiasignals.com/base-preswap-risk-feed-pro/checkout",
    "checkout_amount_raw_usdc": "19000000",
    "deliverable": "JSON + webhook pre-swap risk decisions for Base token routes, with daily blocked-token summary during the pilot.",
    "included_checks_per_month": 100
  },
  "decision": "PASS",
  "decision_set": [
    "PASS",
    "CAUTION",
    "BLOCK"
  ],
  "chain": "base",
  "token": {
    "symbol": "USDC",
    "token_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "asset": "Base USDC",
    "sample_token": true
  },
  "pre_swap_decision": {
    "decision": "PASS",
    "recommended_action": "route_allowed",
    "max_notional_usd": 2500,
    "slippage_cap_bps": 50,
    "reason_codes": [
      "known_stablecoin",
      "no_honeypot_flag",
      "liquidity_ok",
      "owner_admin_risk_low"
    ],
    "buyer_runtime_hint": "Call before swap execution; block or downsize when decision is CAUTION or BLOCK."
  },
  "risk_checks": {
    "honeypot": {
      "decision": "PASS",
      "flagged": false,
      "confidence": "high"
    },
    "tax": {
      "decision": "PASS",
      "buy_tax_bps": 0,
      "sell_tax_bps": 0,
      "confidence": "high"
    },
    "liquidity": {
      "decision": "PASS",
      "status": "ok",
      "confidence": "medium"
    },
    "holder_concentration": {
      "decision": "PASS",
      "status": "low_risk",
      "confidence": "medium"
    },
    "owner_admin_risk": {
      "decision": "PASS",
      "status": "low_risk",
      "confidence": "medium"
    }
  },
  "source_status": {
    "token_safety": "sample_static_known_base_token",
    "dex_liquidity": "sample_static",
    "owner_admin_risk": "sample_static"
  },
  "links": {
    "product_url": "https://x402.fiasignals.com/base-preswap-risk-feed-pro/product",
    "sample_url": "https://x402.fiasignals.com/base-preswap-risk-feed-pro/sample",
    "self_serve_checkout_url": "https://x402.fiasignals.com/base-preswap-risk-feed-pro/checkout",
    "single_decision_ticket_url": "https://x402.fiasignals.com/agent-trade-approval-ticket",
    "x402_manifest": "https://x402.fiasignals.com/.well-known/x402.json"
  },
  "proof": {
    "no_payment_header_required_for_sample": true,
    "sample_is_not_revenue": true,
    "tx_ref_required_for_revenue_count": true,
    "no_execution": true,
    "no_signer": true,
    "no_wallet_action": true,
    "no_funds_moved_by_service": true,
    "booking_rule": "Do not count this sample as revenue. Count only after an external subscription payment, paid x402 ticket, or completed buyer job exists."
  },
  "timestamp": "2026-06-19T09:37:13.872723+00:00"
}

This page and sample are buyer-evaluation artifacts only. They are not revenue, do not require a payment header, and do not move funds.