OutlierKit pricing: related keywords API
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33% complete: 2 of the 6 key fields we checkSee the 6 fields
$1.90per 1,000 keywordsWe haven't run OutlierKit through our related keywords API benchmark yet.Half of the 169 plans we rank by price cost $0.45 per 1,000 keywords or less. This plan costs less per 1,000 keywords than 11% of the 169 plans.XMLRiver's ₽15,000 monthly plan is the cheapest paid plan per 1,000 keywords: $0.00009. XMLRiver charges for each page of results. We count 2,000 keywords on each page to get the $0.00009 price.seodata.dev's $4.99 monthly plan covers any number of keywords. seodata.dev's $4.99 monthly plan costs less up front than XMLRiver's ₽15,000 monthly plan.Bing Webmaster Tools, DataForSEO and Mangools are the best related keywords API providers in the Datacircle benchmark.
Plan: Credit top-up one of OutlierKit's 7 plans
- $19 packCredit top-up$1.90 per 1,000
- $99 monthlyPro$1.98 per 1,000
- $399 monthlyMax$1.995 per 1,000
- $199 quarterlyPro$1.327 per 1,000
- $799 quarterlyMax$1.332 per 1,000
- $599 yearlyPro$0.998 per 1,000
- $1,999 yearlyMax$0.833 per 1,000
Call:
POST / OutlierKit's only call for this APIAPI: Related keywords API one of OutlierKit's 4 APIs
- Related keywords API
- YouTube channel API
- YouTube channel video API
- Video search API
POST /outliers/ refresh - Video search API
POST /outliers/ search
About this item
- Live. OutlierKit finds keywords like the keyword you send when you call the API.
- 2 of the 6 key fields we check. Search volume, Competition.
- A pack you buy once. You pay $19 for 100 credits, enough for 50 pages. Calls stop once your credits run out.
- One call. You send
keywordstoPOST /. You set thekeywords/ research Content-Typeheader to "application/json". You can also sendminVolumeandlimit. The call returns keywords like each one you send. - Who can get it: a subscriber of any plan. Keep data: no API terms. Use data: with conditions.
OutlierKit: related keywords API alternatives
OutlierKit alternatives: every related keywords API provider ranked
We list other providers' plans closest to this plan in price per 1,000 keywords. Each plan in the table gives live data.
| This planOutlierKit, $19 pack | Omkar Cloud, free | Answer Socrates, free, GET /api/v1/youtube-keywords | DataForSEO, top-up from $50, Pay as you go, POST /v3/keywords_data/bing/keywords_for_keywords/live | QuanticData, $79 monthly | |
|---|---|---|---|---|---|
| $ per 1,000 keywords | $1.90 | $0.00 | $0.00 | $0.03 | $0.253 |
| Completeness | 33% | 67% | 0% | 67% | 0% |
| Billing | pay first | free | free | pay first | monthly |
| Pay | $19 | $0 | $0 | $50 | $79 |
| Enough for | 50 pages | 1,000 pages a month | 3 pages a month | about 555 pages | 312,500 results a month |
| Freshness | live | live | live | live | live |
| Who can get it | a subscriber of any plan | anyone 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 parties | anyone | anyone not in Russia, Belarus, Cuba, Iran, Syria, Myanmar, North Korea or Russian-occupied Ukraine | anyone |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.
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
- Keyword difficulty, not in the answer
- Search intent, not in the answer
| $ per 1,000 keywords | $1.90 |
|---|---|
| Per | page of 200 |
| Billing | pay first |
| Also pays for | from the same budget: Outlier video search · Deep Outlier Search · Outlier channel search · Channel similarity · Channel lookup · Video lookup · Channel videos · Video transcript · Video comments |
|---|
| Units cap | hard |
|---|
| Their pitch | Expand seed keywords into a ranked list of related YouTube search keywords with monthly search volumes. |
|---|
| Freshness | live |
|---|---|
| Keep data | no API terms |
| Use data | You agree to: [...] Use the Service in compliance with all applicable laws and regulations, Respect platform-specific usage limitations and guidelines, Not use the Service for any illegal or unauthorized purpose, Not attempt to circumvent any technical limitations or access restrictions [...] You acknowledge that the use of such data is subject to the respective terms and privacy policies of these platforms. |
| Pay | $19 |
|---|---|
| You get | 100 credits |
| Enough for | 50 pages |
| Answer | in the call |
|---|
| You send | keywords, Content-Type header "application/json". Optional: minVolume, limit |
|---|---|
| Method | POST |
| Path | /keywords/research |
| Plan | Credit top-up |
|---|---|
| Who can get it | a subscriber of any plan |
The 11 fields the plan's answer can hold
success, credits consumed, credits remaining, request ID, time taken, keyword, search volume, competition, total results, results returned, fetched at