Narratives Trend

{
  "baselines": {
    "btc": {
      "baseline_id": "btc",
      "change_pct_by_window": {
        "15": -6.9,
        "30": -4.4
      }
    }
  },
  "narratives": [
    {
      "change_pct_by_window": {
        "15": 16.4,
        "30": 23.8
      },
      "narrative_id": "ai-agents",
      "narrative_label": "AI Agents",
      "relative_pp_by_baseline": {
        "btc": {
          "0": 28,
          "15": 3.2,
          "30": -0.5,
          "60": 0
        }
      }
    }
  ],
  "snapshot_date": "2026-09-11",
  "windows_days": [
    15,
    30
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.messyvirgo.com/api/v1/paid/context/narratives/trend?as_of=2026-09-11&baselines=btc&windows=15%2C30'

# 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 - 'https://api.messyvirgo.com/api/v1/paid/context/narratives/trend?as_of=2026-09-11&baselines=btc&windows=15%2C30' \
  | 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.messyvirgo.com%2Fapi%2Fv1%2Fpaid%2Fcontext%2Fnarratives%2Ftrend
const res = await pay("https://api.messyvirgo.com/api/v1/paid/context/narratives/trend?as_of=2026-09-11&baselines=btc&windows=15%2C30");
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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.messyvirgo.com/api/v1/paid/context/narratives/trend?as_of=2026-09-11&baselines=btc&windows=15%2C30")
    print(res.status_code, res.text)