· AI email marketing · No monthly fee
Your list grows.
Your bill shouldn't.
Most email tools charge more as your list grows. SendOnyx is $37, one-time. AI writes your emails and builds your pages.
10 of 10 Trustpilot reviews are 5-star
Verified on Trustpilot
10 reviews. All 5 stars.
Real marketers on one tool, one payment.
Summaries of public Trustpilot reviews, as of October 2026.
The growth tax
On most monthly plans,
a bigger list means a bigger bill.
That's backwards. Your list is the thing you worked hardest to build.
| YOUR LIST | POPULAR MONTHLY PLAN, PER YEAR* | SENDONYX SOFTWARE | |
|---|---|---|---|
| 1,000 contacts | $540 $45/mo | $37 ONCE | |
| 10,000 contacts | $1,620 $135/mo | $37 ONCE | |
| 50,000 contacts | $5,400 $450/mo | $37 ONCE | |
| 100,000 contacts | $9,600 $800/mo | $37 ONCE | |
3 years of renting at 10,000 contacts: $4,860
SendOnyx after 3 years: Still $37.
50,000 contacts/subscribers limit. Use your own SMTP or pay per send.
*Mailchimp Standard plan list prices (USD) for 501–1,500, 5,001–10,000, 40,001–50,000 and 75,001–100,000 contacts, after its introductory discount, from mailchimp.com/pricing, checked 1 October 2026. Shown for comparison only, not a SendOnyx charge. Prices vary by provider and plan.
What you get for $37
Write. Build. Send.
Real screens from inside SendOnyx. No mockups.
Step 1 · Write
Give AI the offer.
Get the email back.
Onyx AI writes the subject line, preview text, and email. You edit and send.
Step 2 · Build
Need a page for it? Same place.
Onyx AI Funnels builds the page your email links to. No separate page builder.
Step 3 · Send & Measure
Send it. See what happened.
A/B test it, auto-resend to unopens, rotate domains, and track opens and clicks.
Also inside your $37
The tools most People
Rent separately. Included.
An email tool, a page builder, an AI writer, a testing tool. Usually separate logins and separate bills. Here it's one.
There's more inside. The fastest way to judge it is to use it.
Why SendOnyx
Built Different From Other Tools
See exactly how Sendonyx removes the limits other tools put on your growth.
The easiest to use email platform on the market.
Check Out Some Of The Testimonials
What Our Customers Are Saying About Send Onyx
These Customers Generated $27,324.54 In Sales In The Last 30 Days!
I was struggling to make a profit using your every day tools, after paying CF, AW, CM I was barely making a profit, until i got Sendonyx.
Michael Burry
Being completely new in affiliate marketing i tried all of the tools out there but none of them provided everything i need in one spot.
Janeth Thacker
I love it! The team supports every customer. They have set up everything for me and it now runs completely automatic making $3K a week passively.
Mellisa Abston
Wow. Just Wow. It took me 15 minutes to move all my subscribers and have the first email sent out to my list.
Travis Hanshaw
The sheer value this app provides is tremendous. I have been booted off so many platforms for trying to add my leads but not on here...
Mel B. Fogarty
I cancelled my Mailchimp account, my clickfunnels account and saved thousands by using Sendonyx to mail my subs.
Hank Wertz
Fair question
“Cheap software usually means cheap software.”
We'd think that too. So don't trust the price. Use the 3 days.
Import contacts. Send an AI-written email with your 100 free email sends. Build a page. If it feels cheap, cancel within 3 days and we'll give your $1 back.
Why it's $37
Software once. Sending as you go: about $1 per 10,000 emails on Amazon SES.
What if you don't have Amazon SES?
Not a problem. You can add one of many options that include: Mailgun, Elastic Email, SendGrid...
You can add your own SMTP
You are not limited to just the options above. You can also add ANY valid SMTP server or create and use your own.
The simplest option
Activate the Onyx SMTP server and pay per send at the cheapest rates. We only win if you win.
Try the full
platform for $1
automations
unopens
campaign
THAT
Before you pay
The questions worth asking. Answered with numbers.
Something else on your mind? Email [email protected].
Your $1 trial includes 100 free email sends, so you can test SendOnyx before paying for any sending. After that, the $37 covers the software. To send, connect your own SMTP or buy SendOnyx sending credits, which are only used when a campaign actually goes out.
For reference, Amazon SES lists $0.10 per 1,000 emails (AWS pricing, checked October 2026). At that rate, four emails a month to 10,000 people is about $4 in sending through your own SES account.
To cancel during the trial, email [email protected] before your 3 days are up. The $36 is never charged.
Yes. $1 today, $36 once after the trial, $37 total. There’s no recurring SendOnyx software fee. List cleaning and email warm-up are optional add-ons, sold separately.
Yes. You can import up to 50K Contacts without changing the $37 software price. Sending costs depend on how much you send.
Yes. Importing your contacts is quick and simple. Once they're in, organize them into lists, audiences and segments, so every campaign goes to the right people.
The AI writes the first draft: subject line, preview text and email. You can edit everything before it goes out, so the final email is yours.
Across SendOnyx, the current average open rate is 30–35%. You can send through your own SMTP and spread a campaign across several of your domains, and list cleaning and email warm-up are available as add-ons.
Your own results will depend on your list, your content and your sending reputation, so no platform can honestly promise a fixed inbox or open rate.
You get fast, hands-on support. Whatever the issue, from setup to your first send, email [email protected] and our team will help you sort it out quickly.
Grow your list.
Keep your price.
$37 once for the software. AI that writes the emails and builds the pages. Sending paid only when you send.
$1 today. 100 free email sends. Then $36 once,
unless you cancel.
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