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1Lookup pricing and alternatives: keyword research API, POST /keyword-metrics

1Lookup's sitellms.txtBest keyword research API in 2026: pricing compared1Lookup: keyword research API alternatives

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33% complete: 2 of the 6 key fields we checkSee the 6 fields
$29.70per 1,000 keywordsHalf of the 55 plans we rank by price cost $0.37 per 1,000 keywords or less. This plan is cheaper than 16% of the 55 plans.Mangools's $15 monthly plan is the cheapest paid plan per 1,000 keywords: as little as $0.0001. Mangools's $15 monthly plan covers up to 5,000,000 keywords a day.DataForSEO, Bing Webmaster Tools and Mangools are the best keyword research API providers in our benchmark.
Plan: Starter one of 1Lookup's 9 plans
Call: POST /keyword-metrics one of 1Lookup's 2 calls for this API
API: Keyword research API one of 1Lookup's 34 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 2 of the 6 key fields we check. Search volume, Keyword difficulty.
  • A monthly subscription. You pay $99 a month for 20,000 credits, enough for about 3,333 calls. Unused credits roll over for up to 3 months.
  • One call. You send keyword to POST /keyword-metrics. You can also send country. The call returns the keyword's search data.
  • Who can get it: anyone with a business name and a working business email address. Keep data: with conditions. Use data: with conditions.

1Lookup: keyword research API alternatives

We list other providers' plans closest to this plan in price per 1,000 keywords.

This plan1Lookup, $99 monthly, Starter, POST /keyword-metricsKeywords Everywhere, $84 yearlyAnyAPI, top-up from $10, Manual top-up, POST /v1/run/ahrefs.keywordsRankParse, $59 monthlyAhrefs, $249 monthly, Standard, GET /v3/keywords-explorer/overview, Overview, full
$ per 1,000 keywords$29.70$0.84$5.01$19.667$25.834
Completeness33%67%50%50%50%
Billingmonthlyyearlypay firstmonthlymonthly
Pay$99$84$10$59$249
Enough forabout 3,333 calls a month100,000 results a yearabout 1,996 calls3,000 calls a monthabout 9,638 results a month
Who can get itanyone with a business name and a working business email addressanyone 13 or over with a Keywords Everywhere accountanyone 18 or over, for business or professional use, not in an embargoed jurisdiction or on a restricted-party listanyone with a valid email address and a Google Ads account connected to RankParseanyone with an Ahrefs account, only workspace owners and admins create API keys

Every keyword research API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-31.

  1. 1lookup.io/docs
  2. 1lookup.io/llms.txt
  3. 1lookup.io/openapi.json
  4. 1lookup.io/pricing
  5. 1lookup.io/products/email-enrichment
  6. 1lookup.io/products/hlr-lookup
  7. 1lookup.io/terms

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
  • Search intent, not in the answer
Price
$ per 1,000 keywords$29.70
Percall
Billingmonthly
$ a month$99
Charges
Repeat free7 days
Also pays forfrom the same budget: 73 other calls
In their words
Their pitchSearch volume, CPC, difficulty, intent, trend and SERP features for any keyword.
Data
Keep datayour subscription term: Output Data may not be retained after the subscription terminates, except as required by law
Use datawe grant you a limited, non-exclusive, non-transferable, non-sublicensable, revocable license to access and use the Service, and to use Output Data, for your internal business purposes during your subscription term, You must not, and must not permit any third party to: Resell, sublicense, rent, lease, distribute, or otherwise make the Service or Output Data available to any third party, except as expressly permitted in writing by us, Build, populate, enrich, or maintain a competing or substitute database, list, or product from Output Data, or use Output Data to train any machine learning or artificial intelligence model, Copy, scrape, cache, or store Output Data beyond what is reasonably necessary for your internal business use, or retain Output Data after your subscription terminates except as required by law, Reverse engineer, decompile, or disassemble any part of the Service, or attempt to discover its source code, underlying data sources, algorithms, or scoring logic, Circumvent or attempt to circumvent any rate limit, quota, usage limit, authentication, or access control, Remove, obscure, or alter any proprietary notice, or misrepresent the source of Output Data, Use the Service to benchmark against a competing product, or publish performance or accuracy comparisons, without our prior written consent, Access the Service by any automated means other than our documented APIs, or use the Service in a manner that interferes with its integrity, security, or performance [...] You must not use the Service, or Output Data, to: Violate any applicable law, regulation, or third-party right, Send, or enable others to send, unlawful telemarketing, robocalls, spam, or unsolicited or non-consented calls, texts, faxes, or emails, Harass, stalk, threaten, defraud, extort, dox, discriminate against, or harm any person, or facilitate any of the foregoing, Determine any person's eligibility for credit, insurance, employment, housing, government benefits, or any other purpose governed by the Fair Credit Reporting Act, as further described in Section 9, Identify, locate, surveil, or track any individual without a lawful basis, or to skip-trace or investigate any individual in violation of law, Collect, compile, enrich, sell, or license personal data without a lawful basis and required consents, Build, train, or improve a competing product, dataset, list, or machine learning or artificial intelligence model, Resell, redistribute, or provide the Service or Output Data to third parties [...]
Plan
Pay$99
You get20,000 credits a month
Enough forabout 3,333 calls a month
Expiresunused credits roll over for up to 3 months
Rate limit
Batch1
Speed
Answerin the call
The call
You sendkeyword. Optional: country
MethodPOST
Path/keyword-metrics
About the plan
PlanStarter
Who can get itanyone with a business name and a working business email address
The 19 fields the plan's answer can hold

success, request ID, request type, input, timestamp, processing time, found, keyword, search volume, CPC in USD, keyword difficulty, difficulty band, primary intent, trend direction, has AI overview, SERP features, estimated monthly traffic value in USD, credits used, cache hit

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