# Cloudflare, free: Domain authority API

> Retrieves domain rank details. Cloudflare provides an ordered rank for the top 100 domains, but for the remainder it only provides ranking buckets like top 200 thousand, top one million, etc..

Cloudflare's Radar API plan for the domain authority API costs $0.00 per 1,000 domains. We check each provider's docs for 5 fields. Cloudflare's docs list 1: Authority score.
Cloudflare limits how many calls you get but gives no number.
We haven't run Cloudflare through [our domain authority API benchmark](https://datacircle.dev/best-domain-authority-api.txt) yet.
We rank 235 plans for domain authority APIs by price. Half the plans cost $3.98 or less per 1,000 domains. This plan and 8 others tie for the lowest price per 1,000 domains of the 235 plans. [See the best free domain authority API plan.](https://datacircle.dev/best-domain-authority-api.txt)
[BacklinkMCP's $19 monthly plan](https://datacircle.dev/domain-authority-apis/backlinkmcp/19-monthly/llms.txt) covers any number of domains. BacklinkMCP's $19 monthly plan costs less up front than Morningscore's $69 monthly plan.
[BacklinkMCP](https://datacircle.dev/domain-authority-apis/backlinkmcp/19-monthly/llms.txt), [Tranco](https://datacircle.dev/domain-authority-apis/tranco/free/llms.txt) and [SE Ranking](https://datacircle.dev/domain-authority-apis/se-ranking/29-monthly-add-on-monthly-billing-get-v1-backlinks-authority-domain/llms.txt) are the best domain authority API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/domain-authority-apis/cloudflare/free
- [Domain authority API: domain rank providers compared](https://datacircle.dev/best-domain-authority-api.txt)
- Get it: https://developers.cloudflare.com/radar/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- Request: `GET https://api.cloudflare.com/client/v4/radar/ranking/domain/{domain}`
- API key: with the plan, on https://developers.cloudflare.com/radar/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- Its API docs: https://developers.cloudflare.com/api/resources/radar/subresources/ranking/subresources/domain/methods/get/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- Sold by: Cloudflare (https://www.cloudflare.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 20%
- Authority score: ✓ 1 day

## Price

- $ per 1,000 domains: $0.00
- Per: call
- Billing: free

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Retrieves domain rank details. Cloudflare provides an ordered rank for the top 100 domains, but for the remainder it only provides ranking buckets like top 200 thousand, top one million, etc..

## Data

- Freshness: 7 days (global rank: 1 day)
- Keep data: Cloudflare sets no time limit: "images, text, and other types of data that you provide as inputs to the Service (“Inputs”) and outputs received from the Services based on your Input (“Outputs”) constitute Customer Content and you retain all applicable intellectual property or other proprietary rights in Inputs and Outputs to or from the Services", the standard terms of the search service provider bind you too where you have agreed none with it
- Use data: Data available via Radar API endpoints is made available under the CC BY-NC 4.0 license. Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. [...] NonCommercial — You may not use the material for commercial purposes.

## Plan

- Pay: $0

## Rate limit

- Per second: 4
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain. Optional: date, includeTopLocations, limit, name, rankingType
- Method: GET
- Path: /radar/ranking/domain/{domain}

## About the plan

- Plan: Radar API
- Who can get it: anyone with a Cloudflare account and an API token, not anyone subject to sanctions or on a list of prohibited or restricted parties

## The 11 fields the plan's answer can hold

global rank, ranking bucket, category ID, category name, super category ID, top location code, top location name, top location rank, date range start, date range end, success

## Cloudflare's plans (1)

- [Cloudflare, free](https://datacircle.dev/domain-authority-apis/cloudflare/free/llms.txt): $0.00 per 1,000, 20% complete, 7 days (global rank: 1 day)

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

- `GET /radar/ranking/domain/{domain}`: [Cloudflare, free](https://datacircle.dev/domain-authority-apis/cloudflare/free/llms.txt)

## Cloudflare's APIs (3)

- [Cloudflare: domain authority API pricing, 1 plan](https://datacircle.dev/domain-authority-apis/cloudflare/free/llms.txt)
- [Cloudflare: web scraping API pricing, 2 plans, POST /accounts/{account_id}/browser-run/content](https://datacircle.dev/web-scraping-apis/cloudflare/free-workers-free-post-accounts-account-id-browser-run-content/llms.txt)
- [Cloudflare: web scraping API pricing, 2 plans, POST /accounts/{account_id}/browser-run/markdown](https://datacircle.dev/web-scraping-apis/cloudflare/free-workers-free-post-accounts-account-id-browser-run-markdown/llms.txt)
- [Cloudflare: web search API pricing, 1 plan, Web search, ceramic](https://datacircle.dev/web-search-apis/cloudflare/top-up-ai-gateway-credits-post-accounts-account-id-ai-websearch-web-search-ceramic/llms.txt)
- [Cloudflare: web search API pricing, 1 plan, Web search, exa](https://datacircle.dev/web-search-apis/cloudflare/top-up-ai-gateway-credits-post-accounts-account-id-ai-websearch-web-search-exa/llms.txt)
- [Cloudflare: web search API pricing, 1 plan, Web search, linkup](https://datacircle.dev/web-search-apis/cloudflare/top-up-ai-gateway-credits-post-accounts-account-id-ai-websearch-web-search-linkup/llms.txt)

## Cloudflare: domain authority API alternatives

- [BacklinkMCP, free](https://datacircle.dev/domain-authority-apis/backlinkmcp/free/llms.txt): $0.00 per 1,000, 40% complete, 7 days
- [Tranco, free](https://datacircle.dev/domain-authority-apis/tranco/free/llms.txt): $0.00 per 1,000, 20% complete, 1 day
- [Omkar Cloud, free plan, GET /domains/authority, Authority Score](https://datacircle.dev/domain-authority-apis/omkar-cloud/free-plan-get-domains-authority-1000-requests-a-month/llms.txt): $0.00 per 1,000, 60% complete, live
- [ScrapeWhale, free](https://datacircle.dev/domain-authority-apis/scrapewhale/free/llms.txt): $0.00 per 1,000, 20% complete, 24 hours

## 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.

- https://creativecommons.org/licenses/by-nc/4.0/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://developers.cloudflare.com/ai-gateway/features/unified-billing/index.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://developers.cloudflare.com/api/resources/radar/subresources/ranking/subresources/domain/methods/get/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://developers.cloudflare.com/fundamentals/api/reference/limits/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://developers.cloudflare.com/radar/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://developers.cloudflare.com/radar/get-started/first-request/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://developers.cloudflare.com/radar/investigate/domain-ranking-datasets/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://developers.cloudflare.com/web-search/index.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://developers.cloudflare.com/web-search/providers/index.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://www.cloudflare.com/service-specific-terms-developer-platform/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing
- https://www.cloudflare.com/terms/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-authority-api-pricing