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Moz pricing and alternatives: keyword research API

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33% complete: 2 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 keywordsWe rank 33 plans by price. Mangools's $15 monthly plan costs the least per 1,000 keywords: as little as $0.0001. Mangools's $15 monthly plan covers up to 5,000,000 keywords a day.
Plan: Free one of Moz's 7 plans
Call: POST /jsonrpc Moz's only call for this API
API: Keyword research API one of Moz's 5 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.
  • Nothing to pay. You get 50 credits a month. Calls stop once your credits run out.
  • One call. You call POST /jsonrpc with the inputs in Product details. The call returns the keyword's search data.
  • Who can get it: anyone with a valid, non-expired credit card. Keep data: no limit. Use data: with conditions.

Moz: keyword research API alternatives

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

This planMoz, freeDataForSEO, free, $1 trial credit, POST /v3/dataforseo_labs/google/keyword_overview/liveSE Ranking, freeAnyAPI, free trial key, POST /v1/run/seo.keyword_overviewRankParse, free
$ per 1,000 keywords$0.00$0.00$0.00$0.00$0.00
Completeness33%100%83%83%50%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough fornot publishedabout 8,333 results, once5,000,000 results, onceabout 312 results, once3,000 calls a month
Freshnessunknown1 month1 monthunknownunknown
Who can get itanyone with a valid, non-expired credit cardnew accounts, one each, not in Russia, Belarus, Cuba, Iran, Syria, Myanmar, North Korea or Russian-occupied Ukraineanyone who confirms an email address, a direct competitor of SE Ranking exceptedanyone 18 or over, with no account, 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 RankParse

Keyword research API pricing: plans compared

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-29.

  1. moz.com/api
  2. moz.com/api-general-conditions
  3. moz.com/api/docs
  4. moz.com/api/docs/guides/error-handling
  5. moz.com/api/docs/guides/getting-started
  6. moz.com/api/docs/guides/rate-limiting
  7. moz.com/help/links-api/getting-started/legal
  8. moz.com/products/api/pricing

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$0.00
Billingfree
Charges
Also pays forfrom the same budget: URL Metrics · Links · Brand Authority · Link Intersect · Linking Root Domains · Link Status · Anchor Text · Final Redirect · Top Pages · Global Top Pages · Global Top Root Domains · Index Metadata · Usage Data · Keyword Suggestions · Search Intent · Ranking Keywords
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchYou can use the API to retrieve keyword metrics such as monthly search volume, research ranking opportunities or strengthen content briefs by generating related keywords [...]
Data
Keep datano limit
Use datause the Service to access the Data for Subscriber’s internal business purpose requiring analyzing URLs, (ii) display Data internally within its business, and (iii) display Data externally provided such display is done in accordance with Our attribution policy [...] Subscriber will not (nor will permit anyone else to) : (a) sell or otherwise charge anyone specifically or solely for the access or use of the Service except as permitted under the Agreement, (b) create any derivative works of the Service, (c) combine Data with constant factors [...], (d) copy, store, archive or extract Data in a manner not explicitly permitted herein, [...] (f) permit third parties to use the API key, [...] When displaying Moz API data (links, metrics, and anchor text), use our approved logo and link it to https://moz.com/. [...] You may not white-label our metrics. When you display data from Moz API, you must label it as originating from the Moz API.
Plan
Pay$0
You get50 credits a month
Rate limit
Per second0.1
Batch1
The call
You sendContent-Type header "application/json", jsonrpc "2.0", id, method "data.keyword.metrics.fetch", params.data.serp_query.keyword
MethodPOST
Path/jsonrpc
About the plan
PlanFree
Who can get itanyone with a valid, non-expired credit card
The 9 fields the plan's answer can hold

keyword, locale, device, search engine, vicinity, search volume, keyword difficulty, organic CTR, priority

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