# SiteData, $99 yearly: Domain authority API

> Domain Lookup & DR

SiteData's domain authority API on its Starter plan. It returns 1 of the 5 key fields we check: Authority score.
You pay $99 a year for 200 credits a month. You spend the credits on SiteData's other calls. This call is free. SiteData limits how many calls you get but gives no number.
We haven't run SiteData through [our domain authority API benchmark](https://datacircle.dev/best-domain-authority-api.txt) yet.
This plan costs $99 a year. We rank 158 plans for domain authority APIs by price. Half the plans cost $4.209 per 1,000 domains or less.
[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/sitedata/99-yearly
- [Domain authority API: 4 providers compared on price and data](https://datacircle.dev/best-domain-authority-api.txt)
- Get it: https://sitedata.dev/payment?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- Request: Docs behind sign-up
- API key: with the plan, on https://sitedata.dev/payment?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- Its API docs: https://sitedata.dev/payment?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- Sold by: SiteData (https://sitedata.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 20%
- Authority score: ✓

## Price

- Per: call
- Billing: yearly
- $ a month: $8.25

## Charges

- Also pays for: Google Ads Analysis · Reverse AdSense · Traffic Analysis

## In their words

- Their pitch: Domain Lookup & DR

## Data

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

## Plan

- Pay: $99
- You get: 200 credits a month

## The call

- You send: Docs behind sign-up

## About the plan

- Plan: Starter
- Who can get it: anyone

## The 2 fields the plan's answer can hold

domain, domain rating

## SiteData's plans (3)

- [SiteData, $99 yearly](https://datacircle.dev/domain-authority-apis/sitedata/99-yearly/llms.txt): 20% complete
- [SiteData, $399 yearly](https://datacircle.dev/domain-authority-apis/sitedata/399-yearly/llms.txt): 20% complete
- [SiteData, $799 yearly](https://datacircle.dev/domain-authority-apis/sitedata/799-yearly/llms.txt): 20% complete

## SiteData's calls (1)

- Docs behind sign-up: [SiteData, $99 yearly](https://datacircle.dev/domain-authority-apis/sitedata/99-yearly/llms.txt)

## SiteData's APIs (2)

- [SiteData: Google Ads Transparency API pricing, 3 plans](https://datacircle.dev/google-ad-apis/sitedata/99-yearly/llms.txt)
- [SiteData: domain authority API pricing, 3 plans](https://datacircle.dev/domain-authority-apis/sitedata/99-yearly/llms.txt)

## SiteData: domain authority API alternatives

- [SE Ranking, $540 yearly, Add-on, annual billing, GET /v1/backlinks/authority/domain](https://datacircle.dev/domain-authority-apis/se-ranking/540-yearly-add-on-annual-billing-get-v1-backlinks-authority-domain/llms.txt): 20% complete, 1 month
- [LinkResearchTools, $5,799 yearly](https://datacircle.dev/domain-authority-apis/linkresearchtools/5799-yearly/llms.txt): 40% complete
- [SEO Review Tools, $720 yearly](https://datacircle.dev/domain-authority-apis/seo-review-tools/720-yearly/llms.txt): 20% complete
- [PR-CY, ₽24,990 yearly, Профи, POST /api/v2.1.0/tool-tasks/](https://datacircle.dev/domain-authority-apis/pr-cy/24990-yearly-post-api-v2-1-0-tool-tasks/llms.txt): 0% complete, stored

## 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://registry.npmjs.org/@sitedata-dev/cli?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://sitedata.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://sitedata.dev/google-ads-analysis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://sitedata.dev/mcp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://sitedata.dev/payment?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://sitedata.dev/sitedata-cli?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://sitedata.dev/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing