# host.io, $99 monthly: Backlink API

> Domains that include a link to the domain on their homepage

host.io's Basic plan for the backlink API costs $0.198 per 1,000 backlinks. We check each provider's docs for 5 fields. host.io's docs list 1: Source URL.
In [our backlink API benchmark](https://datacircle.dev/best-backlink-api.txt), this plan scores 0.0 out of 100. host.io ranks 7th of 7 providers.
We rank 123 plans for backlink APIs by price. Half the plans cost $0.242 or less per 1,000 backlinks. This plan costs less per 1,000 backlinks than 56% of the 123 plans.
[Keys.so's ₽34,900 (about $417) monthly plan](https://datacircle.dev/backlink-apis/keys-so/34900-monthly/llms.txt) is the cheapest paid plan per 1,000 backlinks. Keys.so's ₽34,900 (about $417) monthly plan charges nothing per call. You get as many backlinks as Keys.so's rate limit allows. [AnyAPI's pay-as-you-go plan](https://datacircle.dev/backlink-apis/anyapi/pay-as-you-go-pay-per-call-with-x402-and-mpp-post-v1-run-seo-backlinks/llms.txt) costs the least for 10,000 backlinks a month: $0.50.
[BacklinkMCP's $19 monthly plan](https://datacircle.dev/backlink-apis/backlinkmcp/19-monthly/llms.txt) covers any number of backlinks. BacklinkMCP's $19 monthly plan costs less up front than Keys.so's ₽34,900 (about $417) monthly plan.
[DataForSEO](https://datacircle.dev/backlink-apis/dataforseo/top-up-from-50/llms.txt), [BacklinkMCP](https://datacircle.dev/backlink-apis/backlinkmcp/19-monthly/llms.txt) and [SE Ranking](https://datacircle.dev/backlink-apis/se-ranking/29-monthly-add-on-monthly-billing-get-v1-backlinks-raw/llms.txt) are the best backlink API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/backlink-apis/host-io/99-monthly
- [Backlinks API: the 6 best of 50+ SEO data providers compared](https://datacircle.dev/best-backlink-api.txt)
- Get it: https://host.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing
- Request: `GET https://host.io/api/domains/backlinks/{value}`
- API key: with the plan, on https://host.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing
- Its API docs: https://host.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing
- Sold by: host.io (https://host.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 20%
- Source URL: ✓

## Score

- Overall score: 0.0. We give it 0 overall because its Accuracy score is 0.
- Price score: 29
- Accuracy score: 0
- Cost to get started score: 73
- Bundle score: 83
- Performance score: 100

## Price

- $ per 1,000 backlinks: $0.198
- Per: page of 50
- Billing: monthly
- $ a month: $99

## Charges

- Also pays for: from the same budget: /api/web/:domain · /api/dns/:domain · /api/related/:domain · /api/full/:domain · /api/domains/:field/:value

## Overage

- $ per 1,000 backlinks: $0.20
- Units cap: soft

## In their words

- Their pitch: Domains that include a link to the domain on their homepage

## Data

- Freshness: 1 month
- Keep data: no limit
- Use data: "When using a paid version for the Services, this license is extended to include your commercial use, subject to these Terms." "You may not (and you may not permit anyone else to): (i) copy, modify, create a derivative work of, reverse engineer, decompile or otherwise attempt to extract the source code of the Services or any part thereof, unless this is expressly permitted or required by law, or unless you have been specifically told that you may do so by Host.io, in writing (e.g., through an open source software license), or (ii) attempt to disable or circumvent any security mechanisms used by the Services or any applications running on the Services." "You may not engage in any activity that interferes with or disrupts the Services (or the servers and networks which are connected to the Services)." "You may not access the Services in a manner intended to avoid incurring fees or exceeding usage limits or quotas." "You may not access the Services for the purpose of bringing an intellectual property infringement claim against Host.io or for the purpose of creating a product or service competitive with the Services. You may not use any robot, spider, site search/retrieval application or other manual or automatic program or device to retrieve, index, “scrape,” “data mine” or in any way gather Content from the Services. You may not use the Services to assemble email lists for the purposes of sending out mass emails or “spam.” You may not access the Services for the purpose of collecting Content for sale or resale without the express written consent of Host.io." (Terms of Service, host.io/terms)

## Plan

- Pay: $99
- You get: 10,000 requests a month
- Enough for: 10,000 pages a month

## Rate limit

- Batch: 1

## Speed

- Answer: in the call
- Median: 0.01 s

## The call

- You send: value. Optional: limit, page
- Method: GET
- Path: /api/domains/backlinks/{value}

## About the plan

- Plan: Basic
- Who can get it: anyone over 13 years of age

## The 4 fields the plan's answer can hold

target, total results, page, source domain

## host.io's plans (4)

- [host.io, free](https://datacircle.dev/backlink-apis/host-io/free/llms.txt): $0.00 per 1,000, 20% complete, 1 month
- [host.io, $99 monthly](https://datacircle.dev/backlink-apis/host-io/99-monthly/llms.txt): $0.198 per 1,000, 20% complete, 1 month
- [host.io, $499 monthly](https://datacircle.dev/backlink-apis/host-io/499-monthly/llms.txt): $0.02 per 1,000, 20% complete, 1 month
- [host.io, contact us](https://datacircle.dev/backlink-apis/host-io/contact-us/llms.txt): $0.002 per 1,000, 20% complete, 1 month

## host.io's calls for this API (1)

- `GET /api/domains/backlinks/{value}`: [host.io, $99 monthly](https://datacircle.dev/backlink-apis/host-io/99-monthly/llms.txt)

## host.io's APIs (2)

- [host.io: backlink API pricing, 4 plans](https://datacircle.dev/backlink-apis/host-io/free/llms.txt)
- [host.io: domain authority API pricing, 4 plans](https://datacircle.dev/domain-authority-apis/host-io/free/llms.txt)

## host.io: backlink API alternatives

- [BacklinkMCP, free](https://datacircle.dev/backlink-apis/backlinkmcp/free/llms.txt): $0.00 per 1,000, 40% complete, 7 days
- [Omkar Cloud, free](https://datacircle.dev/backlink-apis/omkar-cloud/free/llms.txt): $0.00 per 1,000, 80% complete, live
- [VebAPI, free trial, GET /api/backlinks/new](https://datacircle.dev/backlink-apis/vebapi/free-trial-get-api-backlinks-new/llms.txt): $0.00 per 1,000, 80% complete, 24 hours
- [SE Ranking, top-up from $50, Wallet, GET /v1/backlinks/raw](https://datacircle.dev/backlink-apis/se-ranking/top-up-from-50-wallet-get-v1-backlinks-raw/llms.txt): $0.20 per 1,000, 100% 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 2026-11-04.

- https://host.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing
- https://host.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing
- https://host.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing
- https://host.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing
- https://support.host.io/hc/en-us/articles/33021412411922-What-is-the-usage-limit-for-users-on-the-free-plan?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing
- https://support.host.io/hc/en-us/articles/33021424371474-What-happens-if-I-exceed-my-rate-limit?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing
- https://support.host.io/hc/en-us/articles/33021428241810-How-often-do-you-update-your-data?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=backlink-api-pricing