# SEO Review Tools, free: Backlink API > Uncover all the backlinks pointing to a specific URL or a full domain. SEO Review Tools's backlink API on its Free trial plan. It costs $0.00 per 1,000 backlinks. It returns all 5 key fields we check: Source URL, Anchor text, Follow or nofollow, Authority, First and last seen. We rank 49 plans by price. [RankParse's $199 pack](https://datacircle.dev/backlink-apis/rankparse/199-pack-lifetime-deal-get-v1-backlinks/llms.txt) costs the least per 1,000 backlinks: $0.004. RankParse charges for each page of results. We count 1,000 backlinks on each page to get the $0.004 price. [DataForSEO](https://datacircle.dev/backlink-apis/dataforseo/top-up-from-50/llms.txt), [SE Ranking](https://datacircle.dev/backlink-apis/se-ranking/29-monthly-add-on-monthly-billing-get-v1-backlinks-raw/llms.txt) and [RankParse](https://datacircle.dev/backlink-apis/rankparse/15-monthly-pro-monthly-get-v1-backlinks/llms.txt) are the best backlink API providers in our benchmark. - This page: https://datacircle.dev/backlink-apis/seo-review-tools/free - [Best backlink API in 2026: providers compared](https://datacircle.dev/best-backlink-api.txt) - Get it: https://www.seoreviewtools.com/api-pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing - Request: `GET https://api.seoreviewtools.com/backlinks/` - API key: with the plan, on https://www.seoreviewtools.com/api-pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing - Its API docs: https://api.seoreviewtools.com/documentation/backlink-apis/backlink-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing - Sold by: SEO Review Tools (https://www.seoreviewtools.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing) - Checked: 2026-11-02 ## In the answer - Completeness: 100% - Source URL: ✓ - Anchor text: ✓ - Follow or nofollow: ✓ - Authority: ✓ - First and last seen: ✓ ## Price - $ per 1,000 backlinks: $0.00 - Per: page of 100 - Billing: free ## Charges - Also pays for: from the same budget: 57 other calls ## Not found - $ per 1,000: $0.00 ## In their words - Their pitch: Uncover all the backlinks pointing to a specific URL or a full domain. ## Data - Keep data: no limit - Use data: There are no restrictions on how you may use the data obtained from the API. You may modify, combine, distribute, or otherwise use the data in any way that complies with applicable laws and regulations. However, you are solely responsible for ensuring that your use of the data complies with all local, national, and international laws. [...] You agree not to misuse our Services or APIs. Misuse includes, but is not limited to, violating applicable laws, reverse engineering, circumventing technical limits, or engaging in any fraudulent activities. ## Plan - Pay: $0 - You get: 500 credits - Enough for: about 83 pages - Expires: 15 days ## Rate limit - Per second: 16.67 - Batch: 1 ## The call - You send: url. Optional: limit, offset, dofollow_only, unique_domains - Method: GET - Path: /backlinks/ ## About the plan - Plan: Free trial - Who can get it: anyone who signs up with a payment method: the trial turns into a paid subscription unless cancelled before its 15 days end ## The 23 fields the plan's answer can hold tool name, input URL, results returned, source URL, source domain, backlink spam score, source page authority, source domain authority, link type, anchor text, image alt text, dofollow, first seen, last seen, is lost, is new, is broken, source page external links, link attributes, source IP, target URL, target spam score, target status code ## SEO Review Tools's plans (7) - [SEO Review Tools, free](https://datacircle.dev/backlink-apis/seo-review-tools/free/llms.txt): $0.00 per 1,000, 100% complete - [SEO Review Tools, $75 monthly](https://datacircle.dev/backlink-apis/seo-review-tools/75-monthly/llms.txt): $0.60 per 1,000, 100% complete - [SEO Review Tools, $175 monthly](https://datacircle.dev/backlink-apis/seo-review-tools/175-monthly/llms.txt): $0.42 per 1,000, 100% complete - [SEO Review Tools, $450 monthly](https://datacircle.dev/backlink-apis/seo-review-tools/450-monthly/llms.txt): $0.36 per 1,000, 100% complete - [SEO Review Tools, $720 yearly](https://datacircle.dev/backlink-apis/seo-review-tools/720-yearly/llms.txt): $0.48 per 1,000, 100% complete - [SEO Review Tools, $1,680 yearly](https://datacircle.dev/backlink-apis/seo-review-tools/1680-yearly/llms.txt): $0.336 per 1,000, 100% complete - [SEO Review Tools, $4,320 yearly](https://datacircle.dev/backlink-apis/seo-review-tools/4320-yearly/llms.txt): $0.288 per 1,000, 100% complete ## SEO Review Tools's calls for this API (1) - `GET /backlinks/`: [SEO Review Tools, free](https://datacircle.dev/backlink-apis/seo-review-tools/free/llms.txt) ## SEO Review Tools's APIs (2) - [SEO Review Tools: backlink API pricing, 7 plans](https://datacircle.dev/backlink-apis/seo-review-tools/free/llms.txt) - [SEO Review Tools: domain authority API pricing, 7 plans](https://datacircle.dev/domain-authority-apis/seo-review-tools/free/llms.txt) ## SEO Review Tools: backlink API alternatives - [SE Ranking, top-up from $50, Wallet, GET /v1/backlinks/all](https://datacircle.dev/backlink-apis/se-ranking/top-up-from-50-wallet-get-v1-backlinks-all/llms.txt): $0.20 per 1,000, 100% complete, 1 month - [SandBase, top-up, Build, POST /v1/api/dataforseo/v3/backlinks/backlinks/live](https://datacircle.dev/backlink-apis/sandbase/top-up-build-post-v1-api-dataforseo-v3-backlinks-backlinks-live/llms.txt): $0.242 per 1,000, 40% complete - [Keywords Everywhere, $150 pack, 500,000 credits, POST /v1/get_domain_backlinks](https://datacircle.dev/backlink-apis/keywords-everywhere/150-pack-500000-credits-post-v1-get-domain-backlinks/llms.txt): $0.30 per 1,000, 40% complete - [Ahrefs, $249 monthly, Standard, GET /v3/site-explorer/all-backlinks, Backlinks](https://datacircle.dev/backlink-apis/ahrefs/249-monthly-standard-get-v3-site-explorer-all-backlinks-backlinks/llms.txt): $0.311 per 1,000, 100% 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 2026-11-02. - https://api.seoreviewtools.com/documentation/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing - https://api.seoreviewtools.com/documentation/backlink-apis/backlink-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing - https://api.seoreviewtools.com/documentation/terms-and-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing - https://www.seoreviewtools.com/api-pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing - https://www.seoreviewtools.com/backlink-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing - https://www.seoreviewtools.com/seo-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing