trends

Google Trends API

Interest-over-time, regional interest, and related queries from Google Trends.

GET/api/public/v1/google-trends

price: $0.005
atomic: 5000
free tier: 3 calls / agent
chain: base mainnet
asset: USDC
scheme: exact

agent brief

Give one or more keywords, get a time series of relative interest plus related rising queries.

engine: google_trends · results key: interest_over_time · settlement: USDC / base / exact

use this when you need to

-Detect emerging topics
-Compare keyword momentum before a campaign

query parameters

name	type	required	description
network	base \| base-sepolia	no · default "base"	Payment network. base-sepolia returns mock data for testing.
q	string	yes	Trend query (comma-separated to compare up to 5 terms)
geo	string	no	Country code, e.g. US
date	string	no	Time range, e.g. today 12-m
data_type	string	no · default "TIMESERIES"	TIMESERIES \| GEO_MAP \| RELATED_QUERIES \| RELATED_TOPICS

call it — curl

bash

# Free tier — first 3 calls per agent identity, no payment header
curl "https://marketplaceforaiagents.com/api/public/v1/google-trends?q=AI+agents"

# Sandbox — signed testnet USDC, mock response, no real spend
curl "https://marketplaceforaiagents.com/api/public/v1/google-trends?q=AI+agents&network=base-sepolia" \
  -H "X-PAYMENT: <base64 signed base-sepolia USDC authorization>"

# Production — signed x402 payment header, real data
curl "https://marketplaceforaiagents.com/api/public/v1/google-trends?q=AI+agents" \
  -H "X-PAYMENT: <base64 signed USDC authorization>"

call it — typescript + x402-fetch

typescript

import { wrapFetchWithPayment } from "x402-fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.AGENT_PRIVATE_KEY as `0x${string}`);
const fetchWithPayment = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPayment(
  "https://marketplaceforaiagents.com/api/public/v1/google-trends?q=AI+agents"
);
const data = await res.json();
console.log(data.interest_over_time);

response — 200 ok

application/json

{
  "search_metadata": {
    "id": "search_...",
    "status": "Success"
  },
  "search_parameters": {
    "engine": "google_trends",
    "q": "AI agents"
  },
  "interest_over_time": [
    {
      "timestamp": "2026-01-01",
      "value": 42
    }
  ],
  "related_queries": [
    {
      "query": "autonomous agents",
      "value": 100
    }
  ]
}

status codes

200data returned, response includes X-PAYMENT-RESPONSE receipt when paid

400missing or invalid required parameters

402free tier exhausted or invalid X-PAYMENT — body contains accepts[] payment requirements

404unknown endpoint slug

429upstream rate limit — retry with backoff

500upstream or settlement error