Stax + Kartra Integrations, Built by an AI Agent
Put Stax + Kartra to work with AI and enterprise-grade automation
4.9/5 on G2·
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Workflows you can build between Stax and Kartra
See the kind of workflows teams build with Stax and Kartra below — describe the exact one you want above and the Agent builds it on demand.
Stax + Kartra
When a catalog item is created in Stax, sync item price and package details over to Kartra products.
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Enroll new subscribers into welcome nurture campaigns
When a new customer is added in Stax, automatically create their contact profile in Kartra and add them to an onboarding campaign.
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Create subscriber records from captured leads
When a prospective customer is captured in Kartra, automatically create a corresponding customer record in Stax to prepare for subscription setup.
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Send payment recovery messages on failed invoices
When a billing payment fails in Stax, immediately tag the contact and send a notification email through Kartra to prompt payment updating.
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Browse the full workflow library →
Looking to achieve something else with Stax and Kartra?
Just describe what you need — the Agent researches both APIs and builds the real automation on demand.
Try Knit FreeTriggers & actions for Stax and Kartra
Everything Stax and Kartra can do inside a workflow — the triggers that start one and the actions that run when it fires.
Stax Explore Stax →
Stax is a subscription-based payment processing provider that enables merchants to accept card payments and manage billing accounts.
TriggersTriggers when a new customer is created.
Triggers when a new dispute is created.
Triggers when a new invoice is created.
Triggers when a new catalog item is created.
Triggers when a new scheduled invoice is created.
Triggers when a new payment (transaction) is posted to your account.
Creates a new Customer
Creates a new Invoice
Creates a new Item
Creates a new Scheduled Invoice
Charges an existing card
Update an existing catalog item
Kartra Explore Kartra →
Kartra is an all-in-one online marketing platform offering tools for sales funnels, email marketing, landing pages, and checkout management.
TriggersTriggers when an affiliate signs up for a product.
Triggers when a lead is assigned a tag.
Triggers when a customer buys product.
Triggers when a lead is cancels a calendar.
Triggers when a lead is completes a calendar.
Triggers when a lead is registered to a calendar.
Assign a lead to tags in your Kartra account.
Cancels a lead subscription to a Kartra calendar.
Subscribes a lead to a Kartra calendar.
Cancels a Kartra subscription.
Creates a custom field in your Kartra account.
Creates a new lead in your Kartra account.
Other Subscription Management apps on Knit
Explore more Subscription Management integrations you can automate with Knit — or describe a custom workflow and the Agent builds it.
Andpay
Andpay is subscription management software.
Billsby
A recurring billing and subscription management software designed to automate customer invoicing and payment collection.
Blink Payment
Blink Payment is payment processing and subscription management software designed to handle recurring payments and merchant invoicing.
BlueSnap
BlueSnap is a global payment orchestration platform enabling businesses to process online transactions, mobile payments, and recurring subscriptions.
Braintree
Braintree is a merchant payment gateway and processing service by PayPal that enables online businesses to accept credit cards and digital wallets.
ChargeAutomation
ChargeAutomation is a payment and guest experience automation platform that processes hotel deposits, digital check-ins, and upsells.
Chargebee
Chargebee is a subscription billing and revenue management platform designed for recurring business models and eCommerce operations.
ChargeOver
A recurring billing and subscription management platform that automates invoicing and payment collections for businesses.
Other Marketing Automation apps on Knit
Explore more Marketing Automation integrations you can automate with Knit — or describe a custom workflow and the Agent builds it.
4Dem.it
4Dem.it is an email and SMS marketing automation platform designed to create, send, and analyze multi-channel communication campaigns.
Acelle Mail
Acelle Mail is an open-source marketing automation platform for managing email lists and sending campaigns.
Act-On
Act-On is a marketing automation software platform designed to deliver targeted email campaigns, lead nurturing, and marketing analytics.
Active Campaign
ActiveCampaign is a customer experience platform that provides email marketing, marketing automation, and sales CRM tools for growing business teams.
ActiveCampaign
ActiveCampaign is a customer experience automation platform providing email marketing, marketing automation, and CRM tools.
ActiveDEMAND
ActiveDEMAND is an integrated marketing automation platform offering lead scoring, email automation, and call tracking for agencies.
ActiveTrail
An email marketing and automation platform providing newsletter delivery, landing pages, and SMS messaging solutions.
AddToWallet
A software platform that allows businesses to create, distribute, and manage digital passes, loyalty cards, and mobile wallet coupons.
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 Stax + Kartra
Is there a pre-built Stax + Kartra automation?
Not yet, but Knit's Integrations Agent can build one — describe what you want and it researches Stax and Kartra's public API docs (or your own uploaded docs) and builds a working automation.
Does this require a pre-built Stax or Kartra connector?
No. The Agent works whether or not Stax or Kartra 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.
How can marketing campaigns respond to failed subscription payments?
When a payment fails in Stax, the customer can automatically receive targeted messages or tags in Kartra to help recover the revenue.
Can new leads captured in marketing campaigns be converted into subscription customers?
Yes, capturing a lead or updating a contact in Kartra can automatically create a customer record in Stax to streamline onboarding.