By Daan Haket · Researched and written with an AI assistant · who does what
Data accuracy is the recurring complaint — independent tests put email deliverability around 74% (20–30% bounce) versus ZoomInfo's ~2–3%, so real cost per usable contact climbs. Throughout this review we weigh it against ZoomInfo.
teams that want a huge real-time contact database and AI list-building for less than ZoomInfo, and can tolerate cleaning the data.
data accuracy is your top priority (ZoomInfo bounces far less), or you want simple no-contract pricing — the bounce rates and auto-renewal bite.
Transparency: the “Visit” links on this page are affiliate links — we may earn a commission if you sign up, at no extra cost to you. No vendor can pay for a better review or verdict. How we make money →
✓ Pricing re-verified 30 Sep 2026
| Plan | Price | What you get |
|---|---|---|
| Free | no published price | 50 Universal Credits that do not replenish |
| Basic | no published price | 250 Universal Credits a month, refreshing on contract date |
| Pro | no published price | 10,000 Universal Credits a month, refreshing on contract date |
Summarised from the pricing notes below; the notes carry the conditions.
The pricing page no longer shows plans: seamless.ai/pricing now forwards the browser to seamless.ai/pricing-inquiry, a demo-request form headed 'Perfect Pricing for Startups to the Fortune 500' that offers special pricing for unlimited users, bulk credits, prospector, job changes, buyer intent and enrichment, and carries no amount, no plan table and no FAQ. Still no published price above the free plan, in a fifth reading.
Seamless's help centre now states the allowances: Free is 50 Universal Credits that do not replenish; a Basic licence gets 250 Universal Credits a month and a Pro licence 10,000 a month, both refreshing on the contract date; bulk pool credits are bought up front and do not replenish. Legacy Pro accounts created before 1 April 2026 keep 1,000 credits a day, no longer sold.
Researching a contact costs 1 credit for the whole profile, a Data Enrich row 1, an Autopilot contact 1, and an AI Assistant interaction or AI-written message 0.2. Buyer Intent runs on separate Intent Topics, not credits. Credit Back Protection refunds the credit when Seamless's own check flags an email as invalid, but not for soft bounces, role addresses like info@, or phone numbers.
Until 7 September the pricing page's FAQ said Pro starts at 10,000 annual credits; the help article says 10,000 a month, so ask which one your quote uses. Third-party guides report an entry around $147 a month for roughly 250 credits; that matches the Basic allowance, but the dollar figure is not Seamless's number.
Plans change — always verify the live price on their site.
Category context: Growth & Revenue. Across the 81 tools in this category that we researched with a public US-dollar price, the median entry price is $29 a month (lowest paid plan as listed, per seat where the vendor prices per seat). Compare pricing conditions in the Software Cost Atlas →
We capture Seamless.ai’s own pricing page every month and keep the figures, so this is our record of the page — not a forecast, and not someone else’s summary.
No series, and no published price to build one from: our July and August 2026 captures both contain no amount, there was still no public rate card on 17 August 2026, and there is none on 7 September 2026 either. Four readings, four blanks. The one thing that has appeared is a quantity: the FAQ's floor of 10,000 annual credits on Pro. Any money figure you find for this tool came from a buyer or a comparison site, not from Seamless. On 30 September 2026 the pricing page itself was gone: seamless.ai/pricing forwards to a demo-request form with no plans and no amounts. Five readings, five blanks. The quantities moved to the help centre instead: 250 Universal Credits a month on Basic, 10,000 a month on Pro, after a June 2026 migration of all legacy Standard and premium credits into Universal Credits.

The buying experience is the other weak spot: sales-led, auto-renew with 30–60 day written cancellation, and reports of charges after a 'confirmed' cancellation.
The video version of this review, from our YouTube channel.
⚡ Short on time? Watch the 30-second verdict Short.
B2B contact database with AI list-building, plus an MCP server so Claude or ChatGPT can run the searching and enrichment. Nothing above the free plan (1 user, 50 credits) carries a published price; the only quantity their FAQ names is a Pro floor of 10,000 annual credits. Independent tests put deliverability near 74%, and contracts auto-renew with 30-60 days' notice to cancel.

Hands-on: not tested by usReported by buyers: G2, Capterra, Trustpilot, Reddit and the BBB, read August 2026
Themes from the buyer-review sites listed at the foot of this page, read in August 2026. We have not run Seamless.ai ourselves, so this is other buyers' experience rather than ours. We summarise it here because the complaints are usually the part a vendor page leaves out.
Where the ratings disagree. 4.4 on G2 against 1.4 on Trustpilot, and the BBB logged 79 complaints in three years with 42 never answered. That is the widest and best-documented split in this whole set. The G2 reviews are about finding contacts; the rest are about getting out.
Pages read (August 2026): Trustpilot
There is still no published price above the free plan, and since late September 2026 there is not even a pricing page: seamless.ai/pricing now forwards to a demo-request form that promises special pricing and shows no amount (read 30 September 2026). Five readings across July, August and September, five blanks. Free is one user and 50 credits that do not replenish; everything above it is Contact sales. What Seamless does publish is the allowance, in its help centre rather than on a sales page: a Basic licence gets 250 Universal Credits a month and a Pro licence 10,000 a month, both refreshing on the contract date.
That explains the figure everyone else quotes. Third-party guides report an entry around $147 a month for roughly 250 credits, which is the Basic allowance, not Pro. Moving from Basic to Pro is a 40-fold jump in credits, so the real question is whether you will research more than 250 contacts a month. One conflict remains: the old pricing page's FAQ, read on 7 September, put the Pro floor at 10,000 annual credits, not monthly.
That is a twelve-fold difference; get it in writing. What a bigger tier does not buy is the extras. On 7 September the old page marked AI Assistant, Data Enrichment, Autopilot and Buyer Intent Data as Add-on in every column, Enterprise included. The help centre now says the first three draw on the same Universal Credits, while Buyer Intent needs separate Intent Topics. Either way, upgrading the tier is not what puts intent data in the contract.
What the contract rations is credits, not seats, and a credit here buys the whole profile, phone number and email together. So the number to compare is not the price per credit but the price per contact you can actually reach. Independent tests put email deliverability here around 74%, meaning 20-30% bounce, against ZoomInfo's roughly 2-3%. Credit Back Protection refunds the credit when Seamless's own check flags an email as invalid, but not soft bounces, role addresses or phone numbers, so it trims that gap rather than closing it.
Divide any per-credit rate you are quoted by your own measured hit rate before you compare it with anything, and take that measurement during the free 50 rather than trusting either figure. The other half of this purchase is the paperwork, and it is where the complaints cluster. The contract auto-renews and requires 30 to 60 days' written cancellation; buyers report the renewal conversation being harder than the first sale, and there are reports of charges landing after a cancellation the customer believed was confirmed.
None of that is a price, but all of it is a cost. Get the notice period, the cancellation method and the renewal price in writing, and put a calendar reminder 90 days before renewal on the day you sign — not 30, because 30 is the window itself.
Spend the 50 free credits as a measurement rather than a trial. Pull 50 contacts you can verify independently — people at companies you already sell to, or addresses you have mailed before — and check two things: how many resolve at all, and how many actually deliver. Independent tests put deliverability here around 74%, and your own 50 will tell you whether your segment is better or worse than that.
Take that bounce rate into the sales conversation, because it is the only number that converts their price into your cost. Divide any quoted per-credit rate by your measured hit rate and compare that figure — not the quoted one — against the alternatives. Go into that conversation with the one quantity they do publish. Their FAQ says Pro starts at 10,000 annual credits, so ask what those 10,000 cost before you discuss anything bigger, and ask separately about the AI Assistant, Data Enrichment, Autopilot and Buyer Intent Data, which are add-ons on every tier including Enterprise.
Then handle the contract before the product. Ask for the renewal price, the notice period and the cancellation method in writing, and set a calendar reminder 90 days before each renewal date at the moment you sign. The notice window is 30 to 60 days, so a reminder set at 30 days is already too late, and buyers report the exit being harder than the entry.
On 30 September 2026 seamless.ai/pricing served only a script that forwards to seamless.ai/pricing-inquiry (page source, last published 29 September 2026); that form was read in full and carries no amount, plan table or FAQ. Allowances and credit costs come from Seamless's help-centre articles 'Seamless Credit and License Types' and 'Credit Back Protection' (seamless.ai/customers/education/articles/), plus seamless.ai/products/bulk-credits, all read 30 September 2026. seamless.ai/llms.txt, read the same day, still carries no amounts. Earlier reading: seamless.ai/pricing read on 7 September 2026, plus seamless.ai/llms.txt the same day.
The pricing page is served complete as HTML — no browser needed, and no amount appears anywhere in it. The plan columns (Free / Pro / Enterprise) were read cell by cell down the full feature list, which is where the four Add-on markers (AI Assistant, Data Enrichment, Autopilot, Buyer Intent Data) and the Pro card's '1 Credits = Phone + Email' come from. The only number above Free is in the FAQ block at the foot of the page, which is also published as FAQPage JSON-LD in the same document: 'Pro plans start off at 10,000 annual credits', no setup fees, and the answer claiming the prices shown reflect the annual discount.
seamless.ai/llms.txt says subscriptions are tiered by features, seats and usage, that credit consumption depends on plan, and instructs AI systems reading it: 'Do not invent pricing, availability, or guarantees.' It carries no amounts either. Note on what was NOT re-checked in this reading: the ~74% deliverability figure and the auto-renewal and cancellation reports are third-party and buyer-reported, not vendor-published, and they were carried over from earlier rounds rather than re-sourced today.
Where a vendor publishes a price, its column shows the entry price we read and when; where it does not, the column says so rather than filling in a figure from elsewhere. We do not average them into a score.
Both names above are affiliate links: we may earn a commission if you sign up, at no extra cost to you. Neither changes what this table says.
The natural comparison is ZoomInfo or Apollo — the more accurate and the cheaper data tools. Weigh it against ZoomInfo on the job you actually need done.
It is not published, and the pricing page now forwards to a demo-request form. There is a free plan with one user and 50 credits that do not replenish; everything above it is quoted by sales. Seamless's help centre gives the allowances: 250 Universal Credits a month on a Basic licence, 10,000 a month on Pro. Third-party guides cite roughly $147 a month for about 250 credits, which fits Basic, but we could not verify any amount against Seamless's own pages in five readings.
The credit allowance and what happens when it runs out, since that is what the contract rations, and which of the four add-ons you need — AI Assistant, Data Enrichment, Autopilot and Buyer Intent Data were marked Add-on on every tier, Enterprise included, when the pricing page still listed plans (7 September 2026); Buyer Intent also runs on separate Intent Topics rather than credits. Buyers also consistently report friction at renewal rather than at purchase, so get the cancellation terms and the renewal price in writing at the start.
Fifty credits is enough to test data accuracy on a handful of your own target accounts, which is exactly what you should do — accuracy varies sharply by territory and industry, and it is the only thing that matters in this category. Check names you already know the answers for.
This is a researched assessment, not a hands-on test — where we've used a tool ourselves, we say so explicitly. We name what each tool is good and bad at, and we earn a commission only if you sign up, at no cost to you.
Reviewed growth & revenue tools that share ground with Seamless.ai — comparable in what they do, not drop-in swaps:
New reviews, price changes we recorded, and the cost conditions we found. No sponsored placements. Unsubscribe anytime.
This is our researched assessment — not a paid placement. The “Visit” links on this page are affiliate links: we may earn a commission if you sign up, at no extra cost to you, and it never changes our take. How we review →