Createsend + Invoice Ninja Integrations
Put Createsend + Invoice Ninja to work with AI and enterprise-grade automation
4.9/5 on G2·
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Workflows you can build between Createsend and Invoice Ninja
See the kind of workflows teams build with Createsend and Invoice Ninja below — describe the exact one you want above and the Agent builds it on demand.
Createsend + Invoice Ninja
When a new client is created in Createsend, sync their contact details into Invoice Ninja as a client.
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Send confirmation emails on completed payments
When a payment is received in Invoice Ninja, automatically send a transactional confirmation email to the client using Createsend.
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Sync new marketing subscribers to accounting contacts
When a new subscriber is added in Createsend, automatically create or sync their contact record in Invoice Ninja for future invoicing.
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Add customers with overdue invoices to reminder lists
When an invoice becomes overdue in Invoice Ninja, automatically add the customer to a specific follow-up list in Createsend.
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Browse the full workflow library →
Looking to achieve something else with Createsend and Invoice Ninja?
Just describe what you need — the Agent researches both APIs and builds the real automation on demand.
Try Knit FreeTriggers & actions for Createsend and Invoice Ninja
Everything Createsend and Invoice Ninja can do inside a workflow — the triggers that start one and the actions that run when it fires.
Createsend Explore Createsend →
Createsend is an email marketing API service that allows businesses to build, send, and manage email campaigns and subscriber lists.
TriggersTriggers when a an email to someone bounces (ie. could not be delivered).
Triggers when someone clicks through an email from one of your Campaigns.
Triggers when a client is added to Campaign Monitor.
Triggers when a list is added for a client.
Triggers when someone opens an email from one of your Campaigns.
Triggers when a new subscriber is added to a list.
Create a new subscriber on a list.
Remove a subscriber from a list.
Invoice Ninja Explore Invoice Ninja →
Invoice Ninja is an open-source invoicing and billing platform designed for freelancers and small businesses to manage clients and payments.
TriggersTriggers when a new client is added.
Triggers when a new credit is added.
Triggers when a new invoice is added.
Triggers when a new payment is added.
Triggers when a new project is added.
Triggers when a new quote is added.
Creates a new client
Creates a new credit.
Emails an invoice.
Emails a quote.
Creates a new invoice.
Creates a new payment.
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beehiiv
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BigMailer
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Other Accounting apps on Knit
Explore more Accounting integrations you can automate with Knit — or describe a custom workflow and the Agent builds it.
4Pay
4Pay is a digital payment processing platform that enables online businesses to manage transactions, payouts, and customer billing seamlessly.
AccountEdge
AccountEdge is desktop accounting software that manages sales, purchases, inventory, payroll, and financial reporting for small businesses.
AccountGroove
AccountGroove is a cloud-based invoicing and billing platform designed to streamline client account management and financial tracking.
AccountingSuite
AccountingSuite is a business management software combining cloud accounting, inventory control, and order fulfillment capabilities into one platform.
AdminPulse
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AdvicePay
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AffiniPay
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AirMatch
AirMatch is a financial management software that automates invoice matching, proposal processing, and account reconciliation for businesses.
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 Createsend + Invoice Ninja
Is there a pre-built Createsend + Invoice Ninja automation?
Not yet, but Knit's Integrations Agent can build one — describe what you want and it researches Createsend and Invoice Ninja's public API docs (or your own uploaded docs) and builds a working automation.
Does this require a pre-built Createsend or Invoice Ninja connector?
No. The Agent works whether or not Createsend or Invoice Ninja 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 does connecting Invoice Ninja with Createsend benefit billing communications?
You can automatically send transactional emails or update subscriber lists in Createsend whenever financial milestones like completed payments or overdue invoices occur in Invoice Ninja.
Can subscriber changes in Createsend sync back to financial contacts in Invoice Ninja?
Yes, when a new subscriber joins via Createsend marketing campaigns, their contact record can be created or updated automatically in Invoice Ninja.