Reliably automate custom domains and their SSL certificates at scale

Connect user custom domains to your app, automated with one easy API.

Easy to setup,
simple to automate

Approximated treats convenience and simplicity as a first class citizen, going the extra mile to make every step as easy as possible to integrate.

How it works

Approximated creates a dedicated cluster just for you, with edge servers in regions all over the world. These proxy traffic for custom domains to your app at any scale with incredibly low latency.

1. Create your dedicated cluster

Approximated spins up a dedicated cluster, with nodes distributed globally. Traffic is automatically routed through the region nearest users for lightning fast response times. All you need to do is name it.

2. Call the API, or use the dashboard

Connecting a custom domain takes one API call to Approximated. Or, use the dashboard to do the same thing any time. The dashboard will even show you what that would look like as an API call.

3. Point the domain(s)

All that's needed is one DNS A record pointed at your cluster's dedicated IP address. Approximated will automatically create and manage SSL certificates for every domain.

Reliability as a feature

Approximated treats reliability as a core feature, because uptime matters. Get powerful monitoring, self-healing systems, and expert support from developers.

custom domains served
of daily requests
of bandwidth served
average domain uptime

Managed & maintained for you

Convenience isn't enough when it comes to handling custom domains in production - everything needs to be rock solid and reliable.

Approximated has constant monitoring, globally distributed servers, and automatically self-healing clusters so that it's ultra reliable.

Sophisticated monitoring at every level

Approximated is always monitoring the SSL status, DNS resolution, proxy hit status, and more for every domain. No external monitoring or infrastucture required - Approximated includes this for free.

Self-healing clusters with intelligent routing

Frequent health checks for every region of your cluster allow Approximated to find and heal any potentials issues before you or your users run into them. Traffic is automatically be routed to the nearest working region during any repairs to avoid any downtime.
Trusted by great companies
and their developers
These are just a few of the companies that use Approximated to reliably serve traffic for hundreds of thousands of domains every day.
“Approximated is an integral part of our infrastructure and is helping us manage a ton of traffic on a daily basis. The technology is rock solid, and the API is very well documented.

We explored a few other tools before Approximated, but all were expensive and a pain to setup. We also debated building our own custom domain infrastructure until we found Approximated.

Within 15 minutes we were up and running, and our integration was ready and working in our app in just a few hours. The team has done a fantastic job and I can't recommend it enough.

If your application needs to handle custom domains with SSL, then Approximated is a must-have service in your tech stack.”
Hassan K., CTO
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Edge Sequences

Apply rules at the edge

Approximated makes it easy to manage requests and apply rule sets at the edge with our Edge Sequences feature.

Flexible request matching with ease.
Edge Sequences can match requests by almost any combination of details. Headers, paths, geolocation, IP ranges, and so much more.
Chain Edge Rules for complex actions.
When a request matches an edge sequence, you can chain together Edge Rules in order to modify, block, or redirect requests at the edge - before or after reaching your app.
Combine Edge Sequences to power sophisticated use cases.
Requests can match multiple Edge Sequences, if you choose, which can be combined together to handle almost any use case.
Safely manage deployment with versioning.
Edge Sequences are versioned so that you and your team can safely tinker without affecting production. Deploy a new version when ready, or easily roll back to an old one any time.
Edge Sequences screenshot

Blocking bad actors at the edge

WAF & DDoS Protection

Our Web Application Firewall monitors for attacks on each cluster and works to mitigate them for everyone.

A collective immune system for your web apps.
Each cluster reports unusual traffic patterns to Approximated, which then implements mitigations as needed for all clusters. Your cluster benefits from the experience of others.
Strength in numbers
We're able to determine attacks more easily and gain an advantage on distributed attackers with each new Approximated cluster created.
Tracking and blocking bots at the edge.
Approximated keeps a living record of IPs with known bot activity, blocking them for you before they reach your app.
Zero effort protection.
There's nothing for you to setup or manage - Approximated provides all of this to all clusters out of the box.

Custom domains, done for you

Approximated has everything you need to get up and running with custom domains for your app today.

Hosted and managed for you

Approximated takes care of creating, hosting, and maintaining your cluster - no upkeep needed from you or your team.

Ultra reliable

Includes constant monitoring at every level and automatic self-healing clusters that reroute traffic when needed.

High performance, low latency

Clusters scale automatically as you grow, with globally distributed regions to ensure the fastest possible response times.

Unlimited custom domains

Built for scaling companies, there is no limit to how many custom domains or subdomains that you can run through your cluster.

DNS made easy

Just point A records at your dedicated cluster IP address, that's it. Get up to date DNS checks for each domain any time.

Simple pricing, volume discounts

Custom domains are just 20 cents per month, with volume discounts up to 50% automatically applied as you grow.

Predictably priced at
20 cents per custom domain

With a minimum of $20/month for less than 100 domains

Automatic discounts as you grow

Get 5% off of your domain costs for every 1000 domains, up to 50%

400 GB of bandwidth included

400 GB of monthly bandwidth. Extra bandwidth billed at $0.05/GB.

Help remove carbon with each purchase

Approximated contributes 1% of revenue to Stripe Climate

Estimate your costs
See how your pricing and discounts will scale as you grow

Ready to dive in? Start your free trial today.

Get 7 days free to try it out and see just how easy it is to integrate Approximated with your app.

App screenshot

Frequently asked questions

Have a different question and can’t find the answer you’re looking for? Reach out to our support team by sending us an email and we’ll get back to you as soon as we can.

Does all custom domain traffic go through my cluster?
Yes, all traffic will be routed through your Approximated cluster, which will terminate (provide) the SSL certiicates.
Our app is globally distributed, will my traffic also be distributed?
Yes, your Approximated clusters have globally distributed edge nodes. Requests route through the region nearest the user to get to your app.
Do I need to manage SSL certificates?
Anything to do with SSL certificates will be automatically handled by Approximated, so there's no need for you to manage the certificates.
Is there a self-hosted option?
An enterprise self-hosted version is available. Please contact for more information.
What kind of support do you offer?
We have developers available to answer technical questions every day from 9am-5pm PST, and 24 hour emergency support from on-call developers.
Do you offer custom service level agreements?
We can offer varying degrees of custom SLAs to suit your needs! Reach out to us at to learn more.