Kadec0 pricing: related keywords API

Kadec0's site This page as plain text Related keywords API: the best SEO keyword data providers Kadec0: related keywords API alternatives

Is Kadec0 yours? Write to us about this page. We invite selected tool providers to our WhatsApp group.

0% complete: none of the 6 fields on our checklistSee the 6 fields

Pay as you goWe haven't run Kadec0 through our related keywords API benchmark yet.We rank 227 plans for related keywords APIs by price. Half the plans cost $0.594 or less per 1,000 keywords.Keys.so's ₽34,900 (about $417) monthly plan is the cheapest paid plan per 1,000 keywords. Keys.so's ₽34,900 (about $417) monthly plan charges nothing per call. You get as many keywords as Keys.so's rate limit allows. AnyAPI's pay-as-you-go plan costs the least for 10,000 keywords a month: $1.60.seodata.dev's $4.99 monthly plan covers any number of keywords. seodata.dev's $4.99 monthly plan costs less up front than Keys.so's ₽34,900 (about $417) monthly plan.DataForSEO, Bing Webmaster Tools and Bukvarix are the best related keywords API providers in the Datacircle benchmark.

Plan: x402 pay per call Kadec0's only plan

Pay as you gox402 pay per call

Call: GET /v1/related-queries Kadec0's only call for this API

GET /v1/related-queriesPay as you go

API: Related keywords API one of Kadec0's 9 APIs

About this item

Freshness. We don't know how fresh this plan's data is.
Returns none of the 6 fields on our checklist: Search volume, Monthly trend, Cost per click, Competition and 2 more.
Nothing to buy first. You pay per call.
One call. You send keyword to GET /v1/related-queries. You can also send geo. The call returns keywords like the one you send.
Who can get it: with conditions. Keep data: no API terms. Use data: no API terms.

Kadec0: related keywords API alternatives

Kadec0 alternatives: other related keywords API providers by price

We list other providers' plans that you pay for as you go. These plans come closest to this plan in number of key fields.

	This planKadec0, pay as you go	AnyAPI, pay as you go, Pay per call with x402 and MPP, POST /v1/run/ahrefs.keyword_ideas	ForgeMesh, pay as you go, x402, GET /v1/query-expand
Completeness	0%	33%	0%
Billing	pay as you go	pay as you go	pay as you go
Pay	per call	per call	per call
Freshness	unknown	stored	unknown
Who can get it	anyone with a wallet paying each call in USDC on Base (x402), with no account or API key	anyone 18 or over, for business or professional use, not in an embargoed jurisdiction or on a restricted-party list, paying from a USDC wallet on Base (x402) or a Tempo wallet (MPP)	anyone with USDC on Base (no account or API key)

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

Product details

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

Search volume, not in the answer
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	page, size not stated
Billing	pay as you go

Charges
Also pays for	nothing else

In their words
Their pitch	Google Trends related queries for a keyword. Returns the searches people run alongside a keyword in a given country: top queries scored 0-100 relative to each other, and rising queries with their percentage growth. Google Trends keyword expansion for SEO keyword research, content planning, and spotting breakout search demand early.

Data
Keep data	no API terms
Use data	no API terms

Plan
Pay	per call

Rate limit
Batch	1

Speed
Answer	in the call

The call
You send	keyword. Optional: geo
Method	GET
Path	/v1/related-queries

About the plan
Plan	x402 pay per call
Who can get it	anyone with a wallet paying each call in USDC on Base (x402), with no account or API key

The 8 fields the plan's answer can hold

keyword, country code, timeframe, top related query, top query score, rising related query, rising query growth, queried at