# SEO PowerSuite, $149 monthly, 5,000,000 units, GET /backlinks/v1.0/get-summary: Domain authority API

> We use our index to calculate our proprietary metrics – InLink Rank and Domain InLink Rank – to help you assess each backlink, domain, or webpage.

SEO PowerSuite's domain authority API on its "5,000,000 units" plan. It costs $1.788 per 1,000 domains. It returns 2 of the 5 key fields we check: Backlinks, Referring domains.
We haven't run SEO PowerSuite through [our domain authority API benchmark](https://datacircle.dev/best-domain-authority-api.txt) yet.
Half of the 158 plans we rank by price cost $4.209 per 1,000 domains or less. This plan costs less per 1,000 domains than 64% of the 158 plans.
[DataForSEO's top-up from $50](https://datacircle.dev/domain-authority-apis/dataforseo/top-up-from-50-pay-as-you-go-post-v3-backlinks-bulk-ranks-live/llms.txt) is the cheapest paid plan per 1,000 domains: $0.036.
[AnyAPI](https://datacircle.dev/domain-authority-apis/anyapi/top-up-from-10-manual-top-up-post-v1-run-semrush-overview/llms.txt), [SE Ranking](https://datacircle.dev/domain-authority-apis/se-ranking/29-monthly-add-on-monthly-billing-get-v1-backlinks-authority-domain/llms.txt) and [DataForSEO](https://datacircle.dev/domain-authority-apis/dataforseo/top-up-from-50-pay-as-you-go-post-v3-backlinks-bulk-ranks-live/llms.txt) are the best domain authority API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/domain-authority-apis/seo-powersuite/149-monthly-5000000-units-get-backlinks-v1-0-get-summary
- [Domain authority API: 4 providers compared on price and data](https://datacircle.dev/best-domain-authority-api.txt)
- Get it: https://www.link-assistant.com/backlink-api.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- Request: `GET https://api.seopowersuite.com/backlinks/v1.0/get-summary`
- API key: with the plan, on https://www.link-assistant.com/backlink-api.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- Its API docs: https://www.link-assistant.com/uploads/pdf/seo-powersuite-backlink-api.pdf?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing#page=3
- Sold by: SEO PowerSuite (https://www.link-assistant.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 40%
- Backlinks: ✓
- Referring domains: ✓

## Price

- $ per 1,000 domains: $1.788
- Per: result
- Billing: monthly
- $ a month: $149

## Charges

- Also pays for: from the same budget: get-metrics · get-inlink-rank · get-backlinks · get-refdomains · get-anchors · get-pages · get-ips · download-all-backlinks · get-raw-backlinks · get-new-lost-backlinks · get-new-lost-refdomains · get-new-lost-backlinks-count · get-new-lost-refdomains-count · get-backlinks-count · get-refdomains-count · get-subnets-count · get-ips-count · get-page-inlink-rank · get-domain-inlink-rank

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: We use our index to calculate our proprietary metrics – InLink Rank and Domain InLink Rank – to help you assess each backlink, domain, or webpage.

## Data

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

## Plan

- Pay: $149
- You get: 5,000,000 credits a month
- Enough for: about 83,333 results a month

## Rate limit

- Batch: 100

## Speed

- Answer: in the call

## The call

- You send: target. Optional: mode
- Method: GET
- Path: /backlinks/v1.0/get-summary

## About the plan

- Plan: 5,000,000 units
- Who can get it: anyone

## The 27 fields the plan's answer can hold

target, backlinks, referring domains, referring subnets, referring IPs, nofollow backlinks, dofollow backlinks, edu backlinks, gov backlinks, InLink Rank, domain InLink Rank, backlinks from home pages, dofollow backlinks from home pages, text backlinks, dofollow referring domains, referring domains from home pages, edu referring domains, gov referring domains, unique anchor texts, dofollow unique anchor texts, pages with backlinks, top anchors by backlinks, top anchors by referring domains, top pages by backlinks, top pages by referring domains, top TLDs, top countries

## SEO PowerSuite's plans (4)

- [SEO PowerSuite, $149 monthly, 5,000,000 units, GET /backlinks/v1.0/get-summary](https://datacircle.dev/domain-authority-apis/seo-powersuite/149-monthly-5000000-units-get-backlinks-v1-0-get-summary/llms.txt): $1.788 per 1,000, 40% complete
- [SEO PowerSuite, $349 monthly, 20,000,000 units, GET /backlinks/v1.0/get-summary](https://datacircle.dev/domain-authority-apis/seo-powersuite/349-monthly-20000000-units-get-backlinks-v1-0-get-summary/llms.txt): $1.047 per 1,000, 40% complete
- [SEO PowerSuite, $899 monthly, 100,000,000 units, GET /backlinks/v1.0/get-summary](https://datacircle.dev/domain-authority-apis/seo-powersuite/899-monthly-100000000-units-get-backlinks-v1-0-get-summary/llms.txt): $0.539 per 1,000, 40% complete
- [SEO PowerSuite, contact us, Custom plan, GET /backlinks/v1.0/get-summary](https://datacircle.dev/domain-authority-apis/seo-powersuite/contact-us-custom-plan-get-backlinks-v1-0-get-summary/llms.txt): 40% complete

## SEO PowerSuite's calls for this API (3)

- `GET /backlinks/v1.0/get-domain-inlink-rank`: [SEO PowerSuite, $149 monthly, 5,000,000 units, GET /backlinks/v1.0/get-domain-inlink-rank](https://datacircle.dev/domain-authority-apis/seo-powersuite/149-monthly-5000000-units-get-backlinks-v1-0-get-domain-inlink-rank/llms.txt)
- `GET /backlinks/v1.0/get-inlink-rank`: [SEO PowerSuite, $149 monthly, 5,000,000 units, GET /backlinks/v1.0/get-inlink-rank](https://datacircle.dev/domain-authority-apis/seo-powersuite/149-monthly-5000000-units-get-backlinks-v1-0-get-inlink-rank/llms.txt)
- `GET /backlinks/v1.0/get-summary`: [SEO PowerSuite, $149 monthly, 5,000,000 units, GET /backlinks/v1.0/get-summary](https://datacircle.dev/domain-authority-apis/seo-powersuite/149-monthly-5000000-units-get-backlinks-v1-0-get-summary/llms.txt)

## SEO PowerSuite's APIs (2)

- [SEO PowerSuite: backlink API pricing, 4 plans](https://datacircle.dev/backlink-apis/seo-powersuite/149-monthly/llms.txt)
- [SEO PowerSuite: domain authority API pricing, 4 plans, GET /backlinks/v1.0/get-summary](https://datacircle.dev/domain-authority-apis/seo-powersuite/149-monthly-5000000-units-get-backlinks-v1-0-get-summary/llms.txt)

## SEO PowerSuite: domain authority API alternatives

- [Chinaz, CNY 1,800 pack, 180000次, POST /batch/weight/baidupc](https://datacircle.dev/domain-authority-apis/chinaz/cny-1800-pack-180000-post-batch-weight-baidupc/llms.txt): $1.496 per 1,000, 0% complete
- [CheckTrust, ₽3,990 monthly](https://datacircle.dev/domain-authority-apis/checktrust/3990-monthly/llms.txt): $1.671 per 1,000, 0% complete
- [RankParse, $199 pack, Lifetime deal, GET /v1/domain-authority](https://datacircle.dev/domain-authority-apis/rankparse/199-pack/llms.txt): $1.99 per 1,000, 40% complete, 3 months
- [host.io, contact us](https://datacircle.dev/domain-authority-apis/host-io/contact-us/llms.txt): $1.998 per 1,000, 0% complete, 1 month

## 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.

- https://www.link-assistant.com/backlink-api.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://www.link-assistant.com/terms-of-services.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://www.link-assistant.com/uploads/pdf/seo-powersuite-backlink-api.pdf?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing