# SellerSprite, free: Related keywords API

> 拓展关键词的衍生词以及含有该词根的长尾关键词

SellerSprite's related keywords API on its Trial plan. It costs $0.00 per 1,000 keywords. It returns 1 of the 6 key fields we check: Search volume.
SellerSprite limits how many pages you get but gives no number.
We haven't run SellerSprite through [our related keywords API benchmark](https://datacircle.dev/best-related-keywords-api.txt) yet.
This plan is free. We rank 143 plans for related keywords APIs by price. Half the plans cost $0.486 per 1,000 keywords or less.
[XMLRiver's ₽15,000 monthly plan](https://datacircle.dev/related-keywords-apis/xmlriver/15000-monthly/llms.txt) 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.
[Mangools](https://datacircle.dev/related-keywords-apis/mangools/15-monthly/llms.txt), [DataForSEO](https://datacircle.dev/related-keywords-apis/dataforseo/top-up-from-50-pay-as-you-go-post-v3-dataforseo-labs-google-keyword-ideas-live/llms.txt) and [AnyAPI](https://datacircle.dev/related-keywords-apis/anyapi/top-up-from-10-manual-top-up-post-v1-run-seo-related-keywords/llms.txt) are the best related keywords API providers in our benchmark.

- This page: https://datacircle.dev/related-keywords-apis/sellersprite/free
- [Related keywords API: 4 providers compared on price and data](https://datacircle.dev/best-related-keywords-api.txt)
- Get it: https://open.sellersprite.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- Request: `POST https://api.sellersprite.com/v1/keyword/miner`
- API key: with the plan, on https://open.sellersprite.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- Its API docs: https://open.sellersprite.com/api/6?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- Sold by: SellerSprite (https://www.sellersprite.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 17%
- Search volume: ✓

## Price

- $ per 1,000 keywords: $0.00
- Per: page of 100
- Billing: free

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: 拓展关键词的衍生词以及含有该词根的长尾关键词

## Data

- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0

## Speed

- Answer: in the call

## The call

- You send: marketplace, keyword. Optional: historyDate, keywordList, minSearch, maxSearch, minPurchases, maxPurchases, minPurchasesRate, maxPurchasesRate, minSPR, maxSPR, minTitleDensity, maxTitleDensity, minRelevancy, maxRelevancy, minSearchRank, maxSearchRank, minProducts, maxProducts, minSupplyDemandRatio, maxSupplyDemandRatio, minAdProducts, maxAdProducts, minWordCount, maxWordCount, minMonopolyClickRate, maxMonopolyClickRate, minBid, maxBid, minPrice, maxPrice, minRatings, maxRatings, minRating, maxRating, amazonChoice, filterRootWord, matchType, includeKeywords, excludeKeywords, page, size, order.field, order.desc
- Method: POST
- Path: /v1/keyword/miner

## About the plan

- Plan: Trial
- Who can get it: anyone with an account on open.sellersprite.com, each service can be trialed once

## The 30 fields the plan's answer can hold

total results, country, keyword, keyword in Chinese, keyword in Japanese, categories, month, supplement keyword, search volume, purchases, purchase rate, click monopoly rate, product count, ad product count, supply demand ratio, average price, average rating count, average rating, minimum PPC bid, maximum PPC bid, PPC bid, conversion share rate, word count, title density, SPR, relevancy, Amazon's Choice, search rank, clicks, impressions

## SellerSprite's plans (5)

- [SellerSprite, free](https://datacircle.dev/related-keywords-apis/sellersprite/free/llms.txt): $0.00 per 1,000, 17% complete
- [SellerSprite, $899 monthly](https://datacircle.dev/related-keywords-apis/sellersprite/899-monthly/llms.txt): $0.225 per 1,000, 17% complete
- [SellerSprite, CNY 4,999 monthly](https://datacircle.dev/related-keywords-apis/sellersprite/cny-4999-monthly/llms.txt): $0.187 per 1,000, 17% complete
- [SellerSprite, CNY 29,994 half-yearly](https://datacircle.dev/related-keywords-apis/sellersprite/cny-29994-half-yearly/llms.txt): $0.187 per 1,000, 17% complete
- [SellerSprite, CNY 49,990 yearly](https://datacircle.dev/related-keywords-apis/sellersprite/cny-49990-yearly/llms.txt): $0.156 per 1,000, 17% complete

## SellerSprite's calls for this API (1)

- `POST /v1/keyword/miner`: [SellerSprite, free](https://datacircle.dev/related-keywords-apis/sellersprite/free/llms.txt)

## SellerSprite's APIs (3)

- [SellerSprite: keyword research API pricing, 4 plans](https://datacircle.dev/keyword-research-apis/sellersprite/free/llms.txt)
- [SellerSprite: related keywords API pricing, 5 plans](https://datacircle.dev/related-keywords-apis/sellersprite/free/llms.txt)
- [SellerSprite: Amazon product API pricing, 8 plans, GET /v1/asin/{marketplace}/{asin}](https://datacircle.dev/amazon-product-apis/sellersprite/free-trial-get-v1-asin-marketplace-asin/llms.txt)
- [SellerSprite: Amazon product API pricing, 8 plans, GET /v1/asin/{marketplace}/{asin}/with-coupon-trend](https://datacircle.dev/amazon-product-apis/sellersprite/free-trial-get-v1-asin-marketplace-asin-with-coupon-trend/llms.txt)

## SellerSprite: related keywords API alternatives

- [SandBase, top-up, Build, POST /v1/api/dataforseo/v3/dataforseo_labs/google/keyword_suggestions/live](https://datacircle.dev/related-keywords-apis/sandbase/top-up-build-post-v1-api-dataforseo-v3-dataforseo-labs-google-keyword-suggestions-live/llms.txt): $0.126 per 1,000, 100% complete
- [AnyAPI, pay as you go, Pay per call with x402 and MPP, POST /v1/run/seo.related_keywords](https://datacircle.dev/related-keywords-apis/anyapi/pay-as-you-go-pay-per-call-with-x402-and-mpp-post-v1-run-seo-related-keywords/llms.txt): $0.16 per 1,000, 100% complete, 1 month
- [QuanticData, $299 monthly](https://datacircle.dev/related-keywords-apis/quanticdata/299-monthly/llms.txt): $0.167 per 1,000, 0% complete, live
- [Ahrefs, $4,490 yearly, Advanced, GET /v3/keywords-explorer/matching-terms, Matching terms](https://datacircle.dev/related-keywords-apis/ahrefs/4490-yearly-advanced-get-v3-keywords-explorer-matching-terms-matching-terms/llms.txt): $0.187 per 1,000, 50% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.

- https://open.sellersprite.com/api/3?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- https://open.sellersprite.com/api/6?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- https://open.sellersprite.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing
- https://www.sellersprite.com/en/help/about-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=related-keywords-api-pricing