Related Queries

{
  "country": "US",
  "dataAsOf": "2022-04-21T18:40:17Z",
  "keyword": "seo api",
  "market": {
    "country": "US",
    "locationCode": 2840,
    "locationName": "United States"
  },
  "queried_at": "2022-04-21T18:40:17Z",
  "request_id": "01KEXAMPLE0000000000000000",
  "rising": [],
  "see_also": {
    "endpoint": "https://keywords.duoleads.com/v1/trend",
    "params": [
      "keyword",
      "country",
      "timeframe"
    ],
    "reason": "Need the interest-over-time series for this keyword? Call trend with the same parameters."
  },
  "source": "Google Trends (via DataForSEO)",
  "timeframe": "past_12_months",
  "top": [
    {
      "term": "analytics seo api",
      "value": 100
    },
    {
      "term": "moz api",
      "value": 64
    }
  ],
  "units": "top value: 0-100 relative popularity among related queries (100 = most searched); rising value: % increase in searches vs the preceding period"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://keywords.duoleads.com/v1/related-queries?country=us&keyword=seo+api&timeframe=past_12_months'

# 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://keywords.duoleads.com/v1/related-queries?country=us&keyword=seo+api&timeframe=past_12_months' \
  | 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 $0.03 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.03" });
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 $0.03 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fkeywords.duoleads.com%2Fv1%2Frelated-queries
const res = await pay("https://keywords.duoleads.com/v1/related-queries?country=us&keyword=seo+api&timeframe=past_12_months");
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 $0.03 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.03"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://keywords.duoleads.com/v1/related-queries?country=us&keyword=seo+api&timeframe=past_12_months")
    print(res.status_code, res.text)