Mailgun + WHMCS Integrations
Put Mailgun + WHMCS to work with AI and enterprise-grade automation
4.9/5 on G2·
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Workflows you can build between Mailgun and WHMCS
See the kind of workflows teams build with Mailgun and WHMCS below — describe the exact one you want above and the Agent builds it on demand.
Mailgun + WHMCS
When a failed delivery event occurs in Mailgun, log a ticket or record in WHMCS.
Send welcome emails to newly created leads
When a new lead is created in WHMCS, automatically send an introductory email in Mailgun to jumpstart prospect engagement.
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Log contact activity when incoming emails arrive
When an email is received in Mailgun, automatically log activity in WHMCS to maintain a complete history of customer interactions.
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Update contact records when emails bounce
If an email bounced in Mailgun, automatically update the contact in WHMCS to flag invalid details and clean up your database.
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Browse the full workflow library →
Looking to achieve something else with Mailgun and WHMCS?
Just describe what you need — the Agent researches both APIs and builds the real automation on demand.
Try Knit FreeTriggers & actions for Mailgun and WHMCS
Everything Mailgun and WHMCS can do inside a workflow — the triggers that start one and the actions that run when it fires.
Mailgun Explore Mailgun →
Mailgun is an email API service designed for developers to send, receive, and track transactional and marketing emails at scale.
TriggersTriggers when new log entries are found in Mailgun. Because this trigger uses polling, multiple log entries may be returned at once during each polling interval.
Triggers when a Mailgun alert occurs. Validation alerts (e.g., bulk validation job completed, validation previews) are available on all plans. Deliverability alerts (e.g., IP or domain blocklist changes, reputation shifts) require an Optimize plan.
Triggers when an email permanently or temporarily fails in Mailgun.
Triggers when a recipient reports an email as spam in Mailgun.
Triggers when an email is successfully delivered in Mailgun.
Triggers when an email fails to deliver in Mailgun.
Upload a CSV (with an "email" header) and start a bulk validation job using Mailgun V4 API.
Sends an email using your Mailgun account.
Retrieves completed bulk validation job results using the job identifier for automated result processing.
Adds a new member to a mailing list in Mailgun.
Validates an email address using Mailgun's validation service and returns comprehensive deliverability results.
This is an advanced action which makes a raw HTTP request that includes this integration's authentication.
WHMCS Explore WHMCS →
WHMCS is a web hosting automation platform that manages customer billing, provisioning, and support services.
Knit's Integrations Agent builds WHMCS's triggers and actions on demand — describe the automation in plain English and it writes and runs real code against WHMCS's API.
Other Email apps on Knit
Explore more Email integrations you can automate with Knit — or describe a custom workflow and the Agent builds it.
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Adestra
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Amazon SES
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Autoklose
Autoklose is an email sales automation platform designed to manage contacts, automate outreach campaigns, and engage prospects.
BigMailer
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Bluetick.io
Bluetick.io is an automated email follow-up platform designed to help sales teams engage prospects and streamline outreach.
Bouncer
Bouncer is an email verification and deliverability platform for cleaning and validating email lists.
Ceipal
Ceipal is talent acquisition and communication software designed to manage recruitment workflows and email outreach.
Other CRM apps on Knit
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&Open Gifts
&Open Gifts is a corporate gifting platform that enables businesses to send physical and digital gifts to clients and employees.
10xCRM
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17hats
17hats is a business management and CRM software designed for solo entrepreneurs and small businesses to handle client workflows and invoicing.
1CRM
1CRM is an all-in-one customer relationship management solution for small and medium businesses to manage leads, orders, and service requests.
Abby Connect
Abby Connect is a virtual receptionist and answering service that manages incoming customer phone calls and live website chats.
AccuLynx
AccuLynx is a dedicated roofing business management software designed to streamline contracting estimates, field management, lead tracking, and client communications.
Act!
Act! is a customer relationship management and marketing automation solution designed to manage sales pipelines, customer records, and communication histories.
Actionstep
Actionstep is a cloud-based law practice management platform that includes legal CRM, matter management, and billing tools.
Customer Stories
See how leading technology firms are scaling their operations
Amazing Product With Exceptional Support from the team. By using Knit we managed to speed up our development by orders of magnitude.
A brilliant tool to let you seamlessly integrate with many different systems. It is very easy to integrate with and customer support is next level.
Seamless integration experience. Well-documented, self-explanatory APIs, and excellent service and support.
Easy to integrate. Knit's dashboard is intuitive for setting up and testing integrations, and the sandbox is extremely useful during development.
Knit shipped a brand-new Timesheet API in a week and handed us a ready-to-use NetSuite sandbox. That velocity is priceless when you're running payroll in 40+ countries.
#1 in Ease of Integrations
4.9 out of 5 stars on G2
Common questions about Mailgun + WHMCS
Is there a pre-built Mailgun + WHMCS automation?
Not yet, but Knit's Integrations Agent can build one — describe what you want and it researches Mailgun and WHMCS's public API docs (or your own uploaded docs) and builds a working automation.
Does this require a pre-built Mailgun or WHMCS connector?
No. The Agent works whether or not Mailgun or WHMCS already has a pre-built connector in Knit's catalog — it researches the real API surface either way.
How long does it take to build?
Minutes to build a first working version, not weeks — you test it against real data before it goes anywhere near production.
What are the benefits of linking WHMCS and Mailgun?
Connecting them automates prospective buyer engagement, keeps communication histories updated in CRM records, and maintains list health when messages bounce.
Can incoming emails update sales deal notes?
Yes, receiving an email in Mailgun can automatically log activity against the matching contact or deal in WHMCS.