Semrush API Pricing 2026: Is It Worth the Cost?
Semrush's developer documentation tells you to buy the SEO Business plan to get API access. Open the Semrush pricing page and there is no Business plan on it.
Both pages were live on August 23, 2026. They belong to the same company and they name different products.
The plan carrying API access there is called Advanced, at $549 a month. Nothing on the developer page says so.
Business is still documented, on a knowledge base page Semrush labels legacy, at $499.95 a month. So the same buyer sees two different prices for API access depending on which page they land on.
Both numbers are the smaller half of the bill anyway. Whichever plan you buy, Semrush starts you at zero API units, and units are a second purchase whose price it does not publish anywhere public.
So the sticker price is the one number everybody quotes and the one number that decides least. Here is what sits underneath it.
One term, once, in plain English. An API is the paid pipe that lets software pull Semrush data directly, rather than a person clicking through the dashboard and exporting a file.
I do not pay for a Semrush seat and I have never bought its API, so nothing here is a firsthand report of running it. What I can do is read what Semrush publishes and check it against what its other pages publish, on the day this went up.
Two Semrush Pages, Two Different Products
Here is the developer page that starts the confusion. It is the first organic result for this search, directly under Google's AI Overview.
Step one reads: "Upgrade to the SEO Business plan to buy API units and generate an API key."
Look at the screenshot Semrush embedded underneath its own instruction. It shows a pricing page offering Pro, Guru and Business, with a red arrow pointing at Business.
Those three plans are not on the pricing page a new buyer sees. They are not quite gone either, which is where this gets genuinely messy.
Now the page a buyer actually lands on.
Four plans: SEO, Starter, Pro+ and Advanced. "API data integration" appears in exactly one column, under Advanced at $549 a month, or $455.67 a month paid annually.
Semrush still documents Pro, Guru and Business on a knowledge base page that opens by calling them "legacy plans, no longer listed on our current pricing page." It lists Business at $499.95 a month, with API Access as the feature separating it from Guru and Pro.
So the docs are followable after all, just not from the page Semrush sends you to. Step one says go to the Pricing page, and the plan named in step two is not on it.
It gets stranger, because a single page cannot keep its own story straight. The API overview page says the Standard API "is available as an add-on to a Business subscription" and, a few paragraphs above that, says "API access is available on paid Semrush plans."
One of those gates you to a single top tier. The other says any paid plan will do.
The Semrush MCP page then adds two more names again, citing "Semrush One" and "SEO Classic" plans that appear on none of the pricing pages you can buy from.
None of this reads as bad faith to me. It reads like a company running new plans and legacy plans side by side, with the documentation still pointing at the old ones. That is ordinary and very common.
The cost lands on the buyer anyway. You are told to buy a $499.95 plan, shown a $549 one, and left to work out on your own whether those are the same purchase.
Paying $549 Buys You Zero API Units
This is the part that actually decides your bill, and it is stated plainly in a place most people never reach.
Directly beneath the upgrade instruction, Semrush writes: "Note that after upgrading to the SEO Business plan the number of units will still be zero."
Read that again with the price attached. You pay $549 a month for the plan that unlocks API access, and you still cannot make a single call until you buy something else.
API units are the metering currency. Every question you ask spends some, and they are sold in separate packages on top of the subscription.
Semrush's knowledge base article on the API lists the package sizes: 2,000,000, 5,000,000, 10,000,000 or 20,000,000 units. The smallest one on the menu is two million.
The same page adds a detail worth more than it looks. "Unused units will expire instead of being added to the renewed amount."
So units do not roll over. Buy a package sized for a busy month, have a quiet one, and the remainder is gone at renewal rather than banked against the next project.
How far a package actually goes
Semrush prices units by the line of data returned, and charges more for history than for the current picture.
Its documented example: one line of the Domain Organic Search Keywords report costs 10 units live and 50 units historical.
Semrush then works the arithmetic out itself. Listing 1,000 organic keywords for 100 domains costs 1,000,000 units live, or 5,000,000 units historical.
Sit with that against the package menu. That single sweep eats half the smallest package, and asking the same question about the past consumes an entire five million unit package on its own.
Scale it down if that example feels large. A hundred keywords across ten domains is a tenth of a tenth of it, which still spends 10,000 units live before you have asked anything else.
The practical translation for a marketer is simple. Think of units as how many questions you get before you have to buy more, and remember that asking about the past costs five times what asking about today costs.
The Number Semrush Will Not Print
Here is where the research stops, and the stopping point is the finding.
Semrush publishes how many units every report consumes, in detail, for free, without a login. It does not publish what a unit costs in dollars anywhere I could find.
I checked the developer docs, the API access page, the knowledge base article, the main pricing page and the SEO and AI Search pricing page. The package menu shows sizes and a Buy button. The prices sit behind an account.
Third parties fill that vacuum with a figure of roughly $50 per million units. That number appears on thatmarketingbuddy.com, which ranks on page one for this query and is cited by Google's AI Overview.
I could not verify it against any Semrush page, so I am not going to repeat it as fact. Treat it as an estimate circulating among people who have seen the logged-in screen.
The Reddit thread ranking third for this search puts the two-million package at "$100 per month added to the business plan," back when the plan itself cost $499. Google's snippet shows that claim, and Reddit blocks automated reading, so I am reporting what the snippet says rather than what I confirmed on the page.
Both figures point the same direction and neither is a published price. If you need a real number before committing, you have to be far enough into an account or a sales conversation to see it, which is itself the answer to how Semrush prices this.
Why Every Source You Read Says Something Different
Google's AI Overview sits above all of this, and it hedges in a way that gives the whole thing away.
It writes the tier as "Advanced (Business)", carrying both names at once because its sources disagree and it cannot tell which is current.
Then it states that "lower tiers like Pro or Guru do not include API capabilities." That sentence is true, and useless to anyone shopping on the page Google sent them to, where no plan by either name appears.
It also passes along the unverified $50 per million figure with no hedge at all.
I asked ChatGPT with live web search the same question, and it answered from the other lineup entirely. It named the SEO Business plan at $499.95 a month, which is a real Semrush price on a real Semrush page.
So one engine sends you to Advanced at $549 and the other to Business at $499.95, and neither mentions that the other exists. Both are defensible readings of Semrush's own pages, which is the problem.
ChatGPT did catch the expensive part the AI Overview missed: that the plan includes no units, that packages start at two million, and that unused units expire.
What To Budget, By What You Are Actually Doing
List prices read on August 23, 2026, before the extra user seats most teams add.
You want to ask Semrush questions inside Claude or ChatGPT. This is most people reading this, and it is the cheapest door in. Semrush's MCP connection runs on the same unit meter, but four mid-tier plans include 50,000 units that refresh each renewal, so you can start without buying a package at all. I ranked the wider field in my roundup of the best SEO MCP servers.
You want scheduled pulls into a spreadsheet or a client dashboard. Advanced at $549 a month, plus a unit package you have to ask about. Budget the subscription as the floor rather than the cost.
You want historical data. On the report Semrush documents, history costs five times what the current picture costs. Assume that gap is large on whatever you pull, and get a real unit quote before agreeing to anything.
You are pulling one report a month. Do not buy this. Exporting from the dashboard costs you a few minutes and no extra money, and the smallest unit package is priced for something far heavier.
Cheaper Ways To Get Search Data Into Software
None of these replace a Semrush subscription, and none of them match it feature for feature. They cover the narrower job of getting search data into software without paying $549 a month plus units.
Google Search Console is free, has an official API, and reports your own site's real clicks and impressions rather than an estimate of them. For your own properties, start here before spending anything.
Ahrefs bills the opposite way, and the contrast is the useful part. Its Lite plan at $129 a month includes 100,000 API units in the subscription. Semrush includes none at $549 and sells them separately, which is a genuine structural difference in how the two companies charge. I worked through that side in Ahrefs API pricing.
Affiliate link below. Full disclosure.
DataForSEO is one I use and earn a commission on, so weigh it accordingly. It publishes a per-request price for every endpoint on public pages, billed from a prepaid balance with a $50 minimum. It sells raw data rather than a dashboard, and I covered where that hurts in my DataForSEO review.
If you are weighing the whole subscription rather than the API specifically, I compared the two head to head in DataForSEO vs Semrush, and the answer there is usually a plan audit rather than a switch.
So Is It Worth The Cost?
For most people who searched this, no, and the reason is the zero-units rule rather than the sticker price.
The API is worth it when software has to touch the data on a schedule, when nobody is around to click export, and when you have enough volume that a quote from sales beats a person doing it manually. That is a real buyer, and Semrush serves them well.
It is not worth it if you are pulling reports yourself. You would be paying $549 a month for permission to spend more money, when the dashboard on a cheaper plan already answers the same questions at no extra cost.
The honest middle path is the one Semrush buries. If your goal is asking questions of Semrush data inside Claude or ChatGPT, four mid-tier plans already include 50,000 MCP units per renewal, and that is the cheapest door into everything above.
What I would not do is commit to Advanced before getting a written unit quote. The plan price is the one number you can check, and it is the one that decides least.
Semrush API Pricing FAQs
How much does the Semrush API cost?
On the current pricing page, API access is listed on the Advanced plan at $549 a month, or $455.67 a month billed annually, verified August 23, 2026. Semrush also still documents a legacy Business plan at $499.95 a month carrying API Access.
Either way the plan is only part of the cost. API units are bought separately in packages starting at two million, and Semrush does not publish their price publicly.
Does the $549 plan include any API units?
No. Semrush's developer documentation states that after upgrading, "the number of units will still be zero." The subscription unlocks the ability to buy units and generate a key. Making actual calls requires a separate unit purchase on top, and unused units expire at renewal rather than rolling over.
Is the Semrush API free?
Not for the Standard API. Semrush documents that a new subscription starts at zero units, so calls require buying a unit package on top. The one free allowance I found documented is on the MCP side, where four mid-tier plans include 50,000 MCP units per renewal, enough to ask questions in an AI assistant without a separate purchase.
Does Semrush have an API?
Yes. The one most people mean is the Standard API, covering SEO and Projects data, and it is the one that needs a top-tier plan plus purchased units. Semrush runs other APIs for traffic trends and local listings that are sold and metered separately, so confirm which one a quote refers to.
Why do sources disagree about Semrush API pricing?
Because Semrush documents new and legacy plans at once, and its developer pages still name the legacy ones. The docs say buy "SEO Business," a knowledge base page prices that plan at $499.95, the pricing page sells Advanced at $549, and the MCP pages cite "Semrush One" and "SEO Classic" plans appearing on neither. Third parties repeat whichever name they found.
Disclosure: I am not a Semrush affiliate, earn nothing if you buy it, and do not pay for a seat, so this is a read of published sources rather than a report of using the product. I am a DataForSEO affiliate and earn a commission through my link. I also sell an AI SEO product, a competing interest you should weigh. Method: every price, unit cost and eligibility claim was read on August 23, 2026 from semrush.com/pricing/seo-ai-search rendered with the billing toggle confirmed, developer.semrush.com, semrush.com/mcp and the Semrush knowledge base. The $50 per million unit figure is third-party and unverified, and Semrush labels the $499.95 Business plan legacy. Prices change; verify before you buy. Full disclosure.