Semrush API Alternatives and Semrush API Competitors Compared by Price

Semrush places its API data integration on the Advanced tier at $549 a month. In contrast, Ahrefs, SE Ranking, and Serpstat offer API access at much lower price points, starting from $100 to $129. If your goal is to automate SEO tasks beyond just data retrieval, an autonomous AI agent like Rankable offers a different approach. This comparison details what each option costs and what it provides.

Every price and API limit below was read from the vendor's own pricing page on 9 September 2026. No third-party figures and no estimates.

Run a free site audit

See the plan of changes the agent will make for your website.

See pricing starting at $99/mo

$549

Cheapest Semrush tier that includes API access

$100

Cheapest Serpstat tier with an API, 200,000 credits

$129

SE Ranking Core, which includes API on every plan

$420

Monthly gap between Semrush Advanced and Ahrefs Lite

$99

Starter plan per month

3 steps

to switch on autopilot

Weekly

work report with results

Why people go looking for a Semrush API alternative

Almost nobody shops for a Semrush API alternative because the data is bad. They shop because of where the API sits in the price list. Semrush publishes four self-serve tiers, SEO at $139, Starter at $199, Pro Plus at $299 and Advanced at $549, and API data integration appears only on Advanced. So a team that wants to pull a few thousand keyword rows a month has to buy the plan built for 40 websites and a large agency. Every other vendor in this comparison unlocks an API far lower down the ladder.

That makes the decision much simpler than the listicles suggest. If you need the same class of data, Ahrefs includes API and MCP access from Lite at $129 with 1,000 credits per user, SE Ranking includes an API with every subscription starting at $129, and Serpstat opens 200,000 monthly credits on Team at $100 billed annually. If you only need raw rows and no dashboard at all, DataForSEO has no subscription and a $50 minimum payment. We break the Semrush side down in detail on our Semrush API pricing page, and the Ahrefs side on Ahrefs API alternatives.

There is a second group of users who need the work done, not just data. They want keyword research to result in published pages, on a schedule, without manual integration or writing. This is where an autonomous AI SEO agent like Rankable provides a distinct solution. Rankable performs the entire SEO process, from audit to publishing. We are explicit below about the data we do not sell, as Rankable is not an index API.

Semrush API alternatives and the tier that unlocks the API

Read from each vendor's own pricing page on 9 September 2026. The middle column is the one that decides the purchase, because it is the cheapest way in to each API.

Swipe to see all columns →

Tool and tier	Monthly price	API included from	What the API returns
Semrush Advanced	$549	Top tier only	Keyword, backlink, SERP data
Semrush Pro Plus	$299	No API on this tier	Dashboard access only
Ahrefs Lite	$129	1,000 credits per user	Keyword, backlink, SERP data
Ahrefs Standard	$249	Unlimited credits per user	Keyword, backlink, SERP data
Ahrefs Enterprise	$1,499	Uncapped, annual only	Keyword, backlink, SERP data
SE Ranking Core	$129	Included on every plan	Keyword, backlink, rank data
SE Ranking Growth	$279	Included on every plan	Keyword, backlink, rank data
Serpstat Team	$100	200,000 credits a month	Search, backlink, rank, audit
Serpstat Agency	$410	2,000,000 credits a month	Search, backlink, rank, audit
DataForSEO	Pay as you go	No plan, $50 minimum	SERP, keyword, backlink rows
Google Search Console	Free	Free, quota limited	Your own site's search data
Rankable Agency	$599	Included on Agency plan	Your site records and the articles the agent publishes

Serpstat Individual at $50 yearly has no API, so Team at $100 billed annually ($129 monthly) is the real entry point. SE Ranking also sells a standalone API add-on priced in euros rather than dollars, so we have left those figures out of a USD table. Rankable's row is deliberately different: its API provides access to your site records and the articles the agent has published. Rankable does not operate a backlink index or a keyword database, so it is not a like for like replacement for the other data-focused APIs.

What to check before you swap an SEO API

Four things that decide whether a migration is cheap or painful.

Which tier the API is actually on

This is the whole reason most people are on this page. Semrush puts API data integration on Advanced at $549 and nowhere else, so there is no way to buy a small API. Ahrefs, SE Ranking and Serpstat all open one between $100 and $129. Price the cheapest eligible tier at each vendor rather than comparing headline entry prices, because the entry price is often for a plan with no API at all.

How the units are metered

Credits, rows and requests are not the same unit and vendors rarely publish a per-unit dollar rate. Ahrefs meters API credits per user, 1,000 on Lite and unlimited on Standard and Advanced. Serpstat publishes flat monthly credit pools, 200,000 on Team and 2,000,000 on Agency. Estimate your monthly call volume before you compare, because a cheap plan with a small pool is not cheap.

Whether you need an index at all

A large share of API projects only ever query the customer's own site: impressions, clicks, positions and pages. Google Search Console exposes all of that through a free, first party API with generous quotas. If that is your use case, no paid SEO API is the correct answer and you can stop shopping now.

Rate limits and contract shape

Serpstat publishes one request per second on Team and ten on Agency, which matters more than the credit pool for anything time sensitive. Ahrefs Enterprise is annual commitment only. DataForSEO has no subscription at all and a $50 minimum payment, which is the lowest risk way to test a data source properly.

How to replace the Semrush API without overbuying

Four steps, in the order that keeps the bill down.

Write down the endpoints you actually call

List the specific data you pull and how often: keyword volumes, backlinks, SERP positions, site audits. Most migrations turn out to need two or three endpoints rather than a whole platform, and that shrinks the eligible list immediately.

Check the free first party option first

If any part of the list is data about your own properties, pull it from the Google Search Console API instead. It is free and authoritative for your sites. Only the queries about other people's sites need a paid index behind them.

Price the cheapest eligible tier, not the entry tier

For each vendor, find the lowest plan that includes an API and enough units for your call volume, then compare those numbers. That comparison looks nothing like the pricing page headlines and it is the only one that reflects your real bill.

Run both sources in parallel for a month

Metrics differ between indexes, so volumes and difficulty scores will not match Semrush exactly. Run the new source alongside the old one for a billing cycle and check the decisions change, not just the numbers, before you cancel anything.

Which alternative fits which job

You only query your own sites

Use the Google Search Console API. It is free, first party and quota limited rather than credit limited, and it returns the clicks, impressions and positions that most internal dashboards are actually built on. Paying $549 for this is the single most common overbuy we see.

You need raw rows at volume, no dashboard

DataForSEO is built for exactly this. There is no subscription and no seat, just a $50 minimum payment and per-service consumption, which makes it the cheapest way to run a high volume pipeline. Expect to do more parsing work yourself.

You want a platform and an API in one bill

SE Ranking includes API access with every subscription from Core at $129, and Serpstat opens 200,000 credits on Team at $100 billed annually. Both give you a working dashboard for the team plus programmatic access, which is what most people assumed they were buying from Semrush in the first place.

You are deep in backlink analysis

Ahrefs is the closest substitute for the data itself and now lists API and MCP access from Lite at $129 with 1,000 credits per user, moving to unlimited credits on Standard at $249. That is a far cheaper entry point than $549 for a comparable class of index.

You wanted the pages written, not the rows

If your goal is to have keyword research directly result in published articles, an API that only provides data is a detour. An autonomous AI SEO agent like Rankable handles the entire process: it researches, writes, and publishes articles on your schedule. This approach skips the integration project of turning raw data into action. Rankable is not a data index, so it does not provide competitor data programmatically.

Where Rankable fits, and where it does not

Rankable is an autonomous AI SEO agent, not a direct replacement for a data-focused API like Semrush. This table clarifies its scope, including where Rankable excels and where a traditional data API might be a better fit.

Swipe to see all columns →

	Rankable Agency, $599	Semrush Advanced, $549
Cheapest tier with API access	$599, the Agency plan	$549, their top self-serve tier
Per-call metering	None. Included flat on the plan.	API data integration, units not published
Keyword database	No. We do not operate one.	Yes, and it is the main thing you pay for
Backlink index	No. We do not operate one.	Yes, a core part of the platform
Rank tracking	No. We do not ship a rank tracker.	Yes, 500 to 5,000 keywords by tier
What the API returns	Your site records and the articles the agent publishes	Rows from their index
Writes and publishes the pages	Yes, the agent researches, writes, and publishes articles on your schedule	No, it returns data for you to act on
Best for	Businesses and agencies that need the entire SEO process automated	Teams that need index data programmatically

Questions buyers ask about replacing the Semrush API

What is the best Semrush API competitor?

The best Semrush API competitor for most teams is Ahrefs, which includes API and MCP access on its $129 Lite plan (1,000 credits per user) instead of reserving it for a $549 tier. If you want the API included on every plan, SE Ranking bundles 25,000 credits a month with its $129 Core plan and sells a standalone data API from $179 a month on annual billing (read from its US pricing page on 16 September 2026). DataForSEO is pay as you go from a $50 minimum with no subscription, and Serpstat's Team plan ($100 billed annually) carries 200,000 credits. For data about your own site, the free Google Search Console API beats all of them. Rankable's API is different in kind: it is included flat on the $599 Agency plan and returns our content and site records only, because we do not operate a backlink index or keyword database. Full price ladders are on SEO API pricing.

What is the best Semrush API alternative?

It depends on which of three jobs you have. For your own site's data, the Google Search Console API is free and correct. For raw rows at volume with no dashboard, DataForSEO has no subscription and a $50 minimum payment. For a platform plus an API in one bill, SE Ranking includes API access on every plan from $129 and Serpstat opens 200,000 credits on Team at $100 billed annually, both far below the $549 Semrush charges for Advanced. If your goal is automated SEO execution, including content creation and publishing, Rankable is an autonomous AI SEO agent that handles the full process.

Which Semrush plan has API access?

Only Advanced, at $549 a month. Semrush lists API data integration as an Advanced feature, and the SEO tier at $139, Starter at $199 and Pro Plus at $299 do not include it. There is no smaller API plan and no per-call top-up on the lower tiers, which is why the API is such a common reason to switch vendors.

Is there a cheaper Semrush API competitor?

Yes, several, and the gap is large. Serpstat Team includes an API at $100 billed annually, Ahrefs Lite and SE Ranking Core both at $129, against $549 for Semrush Advanced. That is $420 a month, or $5,040 a year, for access to a comparable class of data. Check units and rate limits before switching, since the credit pools differ a lot between them.

Is there a free Semrush API alternative?

For your own sites, yes. The Google Search Console API is free, first party and quota limited rather than credit limited, and it returns clicks, impressions, positions and pages. For competitor data there is no free equivalent, because running a web-scale crawl and index is the expensive part of what you are buying.

How much does the Semrush API cost per request?

Semrush does not publish a per-request dollar rate. It publishes a tier, Advanced at $549 a month, which lists API data integration as an included feature. Any per-unit figure you find on a third-party blog is an estimate. We keep the measured detail current on our Semrush API pricing page.

Does Rankable have an SEO API?

Yes, Rankable includes a read-only API on its Agency plan at $599 a month. This API provides access to your site records and the articles the agent has published for you. It is not an index API. Rankable does not operate a backlink index or a keyword database. If you require programmatic access to competitor data, consider the vendors listed in the comparison table above.

Can I switch from the Semrush API without breaking my reports?

Plan for the numbers to move. Keyword volumes, difficulty scores and backlink counts are index-specific, so a switch changes the values even when the underlying reality has not. Run the new source alongside the old one for a billing cycle and check the decisions rather than the raw figures, and only then retire the old integration.

Should I buy an SEO API or a content tool?

Consider your ultimate goal. If you need raw data for your own systems to process, an SEO API is appropriate. However, if the aim is to have the entire SEO process executed, including content creation and publishing, an autonomous AI SEO agent like Rankable provides a direct solution. Rankable handles the full workflow, from audit to article publication, without requiring manual intervention.

Automate SEO, do not just get data

Rankable is an autonomous AI SEO agent that runs the whole SEO of a website on autopilot. It researches, writes, and publishes articles, fixes technical issues, and monitors performance. The Growth plan covers 3 websites and up to 12 articles a month for $249. The Agency plan covers 15 websites and up to 40 articles a month, including API access, for $599. Run a free site audit to see its plan for your website.