Keyword Ideas

{
  "available": 425645,
  "dataAsOf": "2026-09-13T09:55:39Z",
  "market": {
    "country": "US",
    "fallback": false,
    "languageCode": "en",
    "locationCode": 2840,
    "locationName": "United States"
  },
  "request_id": "01KEXAMPLE0000000000000000",
  "results": [
    {
      "competition": 0.92,
      "competitionLevel": "HIGH",
      "cpc": 0.31,
      "difficulty": 31,
      "intent": "informational",
      "keyword": "nothing phone",
      "trendYoyPct": 174,
      "volume": 165000
    },
    {
      "competition": 0.1,
      "competitionLevel": "LOW",
      "cpc": 2.14,
      "difficulty": 57,
      "intent": "informational",
      "keyword": "find phone",
      "trendYoyPct": 22,
      "volume": 14800
    }
  ],
  "see_also": {
    "endpoint": "https://keywords.duoleads.com/v1/trend",
    "params": [
      "keyword",
      "country",
      "timeframe"
    ],
    "reason": "Want the seasonality of an idea? Call trend for its Google Trends interest over time."
  },
  "seed": "phone",
  "source": "DataForSEO Labs (Google Ads data)",
  "total": 2,
  "units": "volume: average monthly Google searches; cpc: US dollars; competition: 0-1 (Google Ads); competitionLevel: LOW|MEDIUM|HIGH; difficulty: 0-100; intent: informational|navigational|commercial|transactional; trendYoyPct: % change vs a year ago"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://keywords.duoleads.com/v1/keyword-ideas' \
  -H 'content-type: application/json' \
  --data-raw '{"keyword":"phone","languageCode":"en","limit":2,"locationCode":2840}'

# 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://keywords.duoleads.com/v1/keyword-ideas' \
  -H 'content-type: application/json' \
  --data-raw '{"keyword":"phone","languageCode":"en","limit":2,"locationCode":2840}' \
  | 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 $0.04 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.04" });
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 $0.04 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fkeywords.duoleads.com%2Fv1%2Fkeyword-ideas&method=POST
const res = await pay("https://keywords.duoleads.com/v1/keyword-ideas", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "keyword": "phone",
    "languageCode": "en",
    "limit": 2,
    "locationCode": 2840
  }),
});
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 $0.04 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.04"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://keywords.duoleads.com/v1/keyword-ideas",
        json={
            "keyword": "phone",
            "languageCode": "en",
            "limit": 2,
            "locationCode": 2840,
        },
    )
    print(res.status_code, res.text)