Pulse

{
  "categories": [
    {
      "category": "onchain-read",
      "listings": 3904,
      "max_price_usd": 1000,
      "median_price_usd": 0.005,
      "min_price_usd": 0.00001,
      "payers_30d": 22933,
      "sellers": 745,
      "title": "Onchain reads (wallets, tokens, NFTs, gas)",
      "top_endpoints": []
    },
    {
      "category": "crypto-market-data",
      "listings": 2990,
      "max_price_usd": 99,
      "median_price_usd": 0.008,
      "min_price_usd": 0.00001,
      "payers_30d": 10181,
      "sellers": 573,
      "title": "Crypto prices and market data",
      "top_endpoints": []
    }
  ],
  "first_snapshot_date": "2026-10-07",
  "gap_rule": "Categories with at least 100 unique payers in total, ranked by payers per seller (the most demand for the fewest sellers first); 5 shown.",
  "gaps": [
    {
      "category": "onchain-read",
      "listings": 3904,
      "median_price_usd": 0.005,
      "payers_30d": 22933,
      "payers_per_seller": 30.8,
      "sellers": 745,
      "title": "Onchain reads (wallets, tokens, NFTs, gas)"
    },
    {
      "category": "trading-signals",
      "listings": 1762,
      "median_price_usd": 0.01,
      "payers_30d": 9362,
      "payers_per_seller": 21.7,
      "sellers": 432,
      "title": "Trading signals and alpha"
    }
  ],
  "generated_from": "precomputed once per snapshot",
  "not_included": {
    "facilitators": "Not included: the Bazaar snapshots carry no facilitator field, and no facilitator health log is kept, so which facilitators settle the most and whether they answered a health check cannot be stated."
  },
  "note": "Built from Tanod's daily snapshots of the CDP x402 Bazaar. Payers are the Bazaar's 30-day unique payers and include self-purchases and test wallets, so small counts can be noise. Categories are keyword matches over listing name, URL and description, not hand-checked. A seller is a host. Listing-farm hosts and Tanod's own listings count in the totals but not in category statistics or rankings. Gaps are categories with paying demand and few sellers: a lead, not proof of unmet demand.",
  "payer_gains": {
    "note": "Payer counts are kept by the pulse from its first built snapshot; 1 payer snapshot(s) exist, and gains need two.",
    "since_previous_snapshot": null,
    "since_week_ago": null
  },
  "payer_snapshots": 1,
  "ranking_filter": "top_endpoints_by_payers and each category's top_endpoints leave out sweep traffic: routes with at most 1.5 calls per payer and (hosts with 3+ routes) routes under 3x the median 30-day calls of their host. Payer totals are unfiltered; counts excluded are in ranking_excluded.",
  "since_previous_snapshot": {
    "baseline_date": "2026-10-09",
    "churn_pct": 11.4,
    "gone_listings": 2112,
    "gone_sellers": 20,
    "new_listings": 1767,
    "new_sellers": 46,
    "price_changes": 48
  },
  "since_week_ago": null,
  "snapshot_age_hours": 23.1,
  "snapshot_date": "2026-10-10",
  "snapshot_taken_at": "2026-10-10T04:35:14Z",
  "snapshots_available": 4,
  "source": "CDP x402 Bazaar",
  "top_endpoints_by_payers": [
    {
      "category": "trading-signals",
      "name": "Send a Base token contract address, get ",
      "payers_30d": 4692,
      "price_usd": 0.02,
      "url": "https://www.ax1.vc/api/dashboard/q-verdict/resource"
    }
  ],
  "totals": {
    "listing_farm_hosts": 19,
    "listing_farm_listings": 14197,
    "listings": 33717,
    "listings_with_payers": 33557,
    "priced_listings": 33544,
    "sellers": 2184,
    "unique_payers_30d_sum": 89133
  },
  "week_figures": "7-day figures start once 7 snapshots exist in the last 8 days; 4 do."
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://tanod.dev/v1/x402/pulse' \
  -H 'content-type: application/json' \
  --data-raw '{}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://tanod.dev/v1/x402/pulse' \
  -H 'content-type: application/json' \
  --data-raw '{}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftanod.dev%2Fv1%2Fx402%2Fpulse&method=POST
const res = await pay("https://tanod.dev/v1/x402/pulse", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({}),
});
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://tanod.dev/v1/x402/pulse",
        json={},
    )
    print(res.status_code, res.text)