Datacircle

MerchantWords pricing: keyword research API

MerchantWords's siteThis page as plain textKeyword research API: the best SEO keyword data providersMerchantWords: keyword research API alternatives

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17% complete: 1 of the 6 fields on our checklistSee the 6 fields
$0.366per 1,000 keywordsWe haven't run MerchantWords through our keyword research API benchmark yet.We rank 331 plans for keyword research APIs by price. Half the plans cost $2.388 or less per 1,000 keywords. This plan costs less per 1,000 keywords than 72% of the 331 plans.AppDrift's $14.99 monthly plan costs the least per 1,000 keywords. AppDrift's keyword research API costs nothing beyond the plan price. Pixel Tools's ₽99 pack costs the least for 10,000 keywords a month: about $1.18.seodata.dev's $4.99 monthly plan covers any number of keywords. seodata.dev's $4.99 monthly plan costs less up front than AppDrift's $14.99 monthly plan.DataForSEO, AppDrift and Bing Webmaster Tools are the best keyword research API providers in the Datacircle benchmark.
Type a number to see the cheapest MerchantWords plan for that many keywords. The table below then sorts the other plans by what each costs.
Plan: Starter one of MerchantWords's 6 plans
Call: POST /keyword one of MerchantWords's 2 calls for this API
API: Keyword research API one of MerchantWords's 4 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 1 of the 6 fields on our checklist. Search volume.
  • A monthly subscription. You pay $79 a month for up to 216,000 calls.
  • One call. You send keyword to POST /keyword. You can also send country. The call returns the keyword's search data.
  • Who can get it: anyone who subscribes and accepts the API Terms. Keep data: while your subscription is active. Use data: with conditions.

MerchantWords: keyword research API alternatives

MerchantWords alternatives: other keyword research API providers by price

We list other providers' plans closest to this plan in price per 1,000 keywords. We also show the Arsenkin Tools plan. Its price is farther from this plan's price.

This planMerchantWords, $79 monthlyArsenkin Tools, ₽2,490 monthlyWord-Keeper, ₽749 monthlyOmkar Cloud, $148 monthly, Scale Plan, GET /keywords/overviewSpyFu, $2,244 yearly, Team / Agency, GET /apis/keyword_api/v2/related/getKeywordInformationWordRadar, $49 pack
$ per 1,000 keywords$0.366$0.346$0.358$0.37$0.374$0.377
Completeness17%17%17%67%67%0%
Billingmonthlymonthlymonthlymonthlyyearlypay first
Pay$79₽2,490₽749$148$2,244$49
Enough for216,000 calls a month85,000 results a month25,000 results a month400,000 calls a month500,000 results a month130,000 results
Freshnessunknownunknownunknownlive1 month24 hours
Who can get itanyone who subscribes and accepts the API Termsanyoneanyone who registers and verifies their email addressanyone aged 18 or over who is not in a country under a United States embargo or on a United States list of prohibited or restricted partiesanyoneanyone with an account, which takes an invite code during the private beta

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

  1. merchantwords.com/api
  2. merchantwords.com/api/docs
  3. merchantwords.com/api/faq
  4. merchantwords.com/openapi.yaml
  5. merchantwords.com/terms-conditions-api

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Search volume
  • Monthly trend, not in the answer
  • Cost per click, not in the answer
  • Competition, not in the answer
  • Keyword difficulty, not in the answer
  • Search intent, not in the answer
Price
$ per 1,000 keywords$0.366
Percall
Billingmonthly
$ a month$79
Charges
Also pays forfrom the same budget: ASIN product lookup · Reverse ASIN search · SERP products · Keyword search · Related keywords (SERP overlap)
Not found
$ per 1,000$0.00
In their words
Their pitchGet detailed data for a single keyword — volume, depth, trend, strength, prominence, appearance, and SERP statistics when available.
Data
Keep datawhile your subscription is active
Use dataWhile you are an active subscriber, you may: Use the data for any internal purpose within your business. Build and sell derivative works -- products, tools, reports, and insights that incorporate MerchantWords data -- to your own customers. Cache and store API responses for reasonable operational use while your subscription is active. If your subscription ends, you agree to delete any cached or stored MerchantWords data. The one hard line: you may NOT redistribute, resell, sublicense, expose, or otherwise hand over the raw MerchantWords data itself (in whole or in substantial part) to any third party. [...] You also agree not to: misrepresent the source of the data, use the API in a way that could impair or harm MerchantWords or anyone's use of its services, attempt to gain unauthorized access to its systems, or reverse engineer the API except where applicable law expressly permits. [...] You agree to: Respect all rate limits and usage quotas applicable to your plan, Request from the API only the minimum data that your Application needs to offer its intended functionality, Not use the API in any manner that threatens the integrity, performance, or reliability of the API or any MerchantWords service, Not work around any technical limitations in the API, Not use the API for performance or stress testing
Plan
Pay$79
Enough for216,000 calls a month
Rate limit
Per second0.083
Batch1
Speed
Answerin the call
The call
You sendkeyword. Optional: country
MethodPOST
Path/keyword
About the plan
PlanStarter
Who can get itanyone who subscribes and accepts the API Terms
The 17 fields the plan's answer can hold

keyword, country, found, search volume, depth, trend, 3-month average volume, 12-month average volume, strength, prominence, appearance, in latest batch, monthly volumes, SERP results count, SERP organic count, SERP sponsored count, SERP total reviews

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