Create integrations between Circle and Invoice Ninja to automate any workflow
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Zapier lets you build automated workflows between two or more apps—no code necessary. These workflows are called Zaps, and this is how they work.
A trigger is where automation begins
Now it's time for action
And that's it! You've just created a Zap.
With Zapier, you can integrate everything from basic data entry to end-to-end processes. Here are some of the business-critical workflows that people automate with Zapier.
Automate your lead management and improve conversions
With Zapier's 6,000 integrations, you can unify your tools within a connected system to improve your team's efficiency and deepen their impact.
Zapier helps you create workflows that connect your apps to automate repetitive tasks. A trigger is an event that starts a workflow, and an action is an event a Zap performs.
- Community
- Space
- Section
- Lesson
Try ItTriggerThis is the start of your ZapScheduledZapier checks for new data every 15 min on the Free plan- Community
- Space
- EmailRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Space
- Section
- NameRequired
- Status
- Body (HTML)
- Comments Enabled
- Featured Media Enabled
- Featured Media Download Enabled
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Space
- NameRequired
- Comment BodyRequired
- Custom Slug
- Start DateTimeRequired
- DurationRequired
- Location typeRequired
- Virtual Location URL (Optional)
- In Person Location (Optional)
- Hide Location from Non-attendees
- Disable RSVPs
- Send Email Reminder
- Send In-App Notification Reminder
- Send Email Confirmation
- Send In-App Notification Confirmation
- Enable Custom Thank You Message
- Confirmation Message Title
- Confirmation Message Description
- Confirmation Message Button Title
- Confirmation Message Button Link
- Meta Title
- Meta Description
- Opengraph Title
- Opengraph Description
- Opengraph Image
- Hide Meta Info
- Disable likes
- Disable comments
- Hide Attendees
- Hide from featured areas
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- EmailRequired
- Password
- NameRequired
- Community
- Profile Image
- Headline
- Bio
- Location
- Website URL
- Twitter URL
- Facebook URL
- Instagram URL
- Linkedin URL
- Add to Space(s)
- Add to Space Group(s)
- Add Member Tag(s)
- Skip Invitation Email?
- Is Flagged
- Messaging Enabled By Admin
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Space GroupRequired
- EmailRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- EmailRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Member Email
- Message BodyRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Member TagRequired
- Member Email
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Member TagRequired
- EmailRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- EventRequired
- NameRequired
- Profile Image
- Headline
- Bio
- Location
- Website URL
- Twitter URL
- Facebook URL
- Instagram URL
- Linkedin URL
- Add to Space(s)
- Add Member Tag(s)
- Is Flagged
- Messaging Enabled By Admin
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Member Email
- Member TagRequired
- Community
ActionThis is an event a Zap performs.SearchFind existing data in your app- EmailRequired
- Space GroupRequired
- Community
ActionThis is an event a Zap performs.SearchFind existing data in your app- New Credit
Triggers when a new credit is added.
Try ItTriggerThis is the start of your ZapInstantThis event starts a Zap instantly. - New Payment
Triggers when a new payment is added.
Try ItTriggerThis is the start of your ZapInstantThis event starts a Zap instantly. - New Quote
Triggers when a new quote is added.
Try ItTriggerThis is the start of your ZapInstantThis event starts a Zap instantly. - Sent Quote
Triggers when a quote is sent.
Try ItTriggerThis is the start of your ZapInstantThis event starts a Zap instantly. - Update Invoice
Triggers when an invoice is updated.
Try ItTriggerThis is the start of your ZapInstantThis event starts a Zap instantly. - Update Quote
Triggers when a quote is updated.
Try ItTriggerThis is the start of your ZapInstantThis event starts a Zap instantly. - ClientRequired
- Design
- Send Email
- Email Template
- Auto-Bill Credit
- Download PDF
- Mark Sent
- Paid
- Amount Paid
- Number
- Discount
- PO Number
- Date
- Due Date
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Field 1
- Custom Field 2
- Custom Field 3
- Custom Field 4
- Custom Surcharge 1
- Custom Surcharge 2
- Custom Surcharge 3
- Custom Surcharge 4
- Is Amount Discount
- Partial/Deposit
- Partial Due Date
- Cost
- Quantity
- Product
- Discount
- Description
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
- Product Cost
- Public Notes
- Private Notes
- Terms
- footer
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Quote IDRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- ClientRequired
- Date
- Invoice IDRequired
- Amount
- Payment Type
- Transfer Reference
- Private Notes
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- ClientRequired
- NameRequired
- Task Rate
- Private Notes
- Public Notes
- Task Rate
- Budgeted Hours
- Due Date
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- ClientRequired
- Design
- FrequencyRequired
- Due Date
- Start Date
- Remaining Cycles
- Mark Ready
- Auto-Bill Credit
- Discount
- PO Number
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
- Custom Surcharge 1
- Custom Surcharge 2
- Custom Surcharge 3
- Custom Surcharge 4
- Is Amount Discount
- Partial/Deposit
- Partial Due Date
- Cost
- Quantity
- Product
- Discount
- Description
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
- Product Cost
- Public Notes
- Private Notes
- Terms
- footer
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Search FieldRequired
- Search ValueRequired
- Include Deleted
ActionThis is an event a Zap performs.SearchFind existing data in your app- Search FieldRequired
- Search ValueRequired
- Download PDF
ActionThis is an event a Zap performs.SearchFind existing data in your app- Search FieldRequired
- Search ValueRequired
- Include Deleted
ActionThis is an event a Zap performs.SearchFind existing data in your app- Search FieldRequired
- Search ValueRequired
- Include Deleted
- NameRequired
- Group
- First Name
- Last Name
- EmailRequired
- Phone
- Language Code
- Currency Code
- Id Number
- VAT Number
- Street Address
- Apt/Suite
- City
- State/Province
- Postal Code
- Country Code
- Shipping Street Address
- Shipping Apt/Suite
- Shipping City
- Shipping State/Province
- Shipping Postal Code
- Shipping Country Code
- Private Notes
- Public Notes
- Website
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
ActionThis is an event a Zap performs.Search or writeFind existing data in your app, or create a new record if no data is found- Search FieldRequired
- Search ValueRequired
- Download PDF
- ClientRequired
- Design
- Send Email
- Email Template
- Auto-Bill Credit
- Mark Sent
- Paid
- Amount Paid
- Number
- Discount
- PO Number
- Date
- Due Date
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Field 1
- Custom Field 2
- Custom Field 3
- Custom Field 4
- Custom Surcharge 1
- Custom Surcharge 2
- Custom Surcharge 3
- Custom Surcharge 4
- Is Amount Discount
- Partial/Deposit
- Partial Due Date
- Cost
- Quantity
- Product
- Discount
- Description
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
- Product Cost
- Public Notes
- Private Notes
- Terms
- footer
ActionThis is an event a Zap performs.Search or writeFind existing data in your app, or create a new record if no data is found- Search FieldRequired
- Search ValueRequired
- Include Deleted
- ClientRequired
- NameRequired
- Task Rate
- Private Notes
- Public Notes
- Budgeted Hours
- Due Date
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
ActionThis is an event a Zap performs.Search or writeFind existing data in your app, or create a new record if no data is found
- New Community
Triggers when a new community is created by the user.
Try ItTriggerThis is the start of your ZapScheduledZapier checks for new data every 15 min on the Free plan - Community
- Space GroupRequired
- EmailRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Space
- Topic
- Member Email
- Comment BodyRequired
- Skip Notifications?
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Space
- NameRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Space
- NameRequired
- Comment BodyRequired
- Pin to top
- Comments Enabled
- Liking Enabled
- Member Email
- Custom HTML
- Disable Truncation
- Hide Meta Info
- Meta Title
- Meta Description
- Opengraph Title
- Opengraph Description
- Skip Notifications?
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Space
- Section
- Lesson
- Member EmailRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Space
- EmailRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- EventRequired
- Member EmailRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Member EmailsRequired
- Message BodyRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- EventRequired
- Member EmailRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- Space
- EventRequired
- NameRequired
- Comment BodyRequired
- Custom Slug
- Start DateTimeRequired
- DurationRequired
- Location typeRequired
- Virtual Location URL (Optional)
- In Person Location (Optional)
- Disable RSVPs
- Hide Location from Non-attendees
- Send Email Reminder
- Send In-App Notification Reminder
- Send Email Confirmation
- Send In-App Notification Confirmation
- Enable Custom Thank You Message
- Confirmation Message Title
- Confirmation Message Description
- Confirmation Message Button Title
- Confirmation Message Button Link
- Meta Title
- Meta Description
- Opengraph Title
- Opengraph Description
- Opengraph Image
- Hide Meta Info
- Disable likes
- Disable comments
- Hide Attendees
- Hide from featured areas
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Community
- EmailRequired
ActionThis is an event a Zap performs.SearchFind existing data in your app- EmailRequired
- Space
- Community
ActionThis is an event a Zap performs.SearchFind existing data in your app- New Client
Triggers when a new client is added.
Try ItTriggerThis is the start of your ZapInstantThis event starts a Zap instantly. - New Invoice
Triggers when a new invoice is added.
Try ItTriggerThis is the start of your ZapInstantThis event starts a Zap instantly. - New Project
Triggers when a new project is added.
Try ItTriggerThis is the start of your ZapInstantThis event starts a Zap instantly. - Sent Invoice
Triggers when an invoice is sent.
Try ItTriggerThis is the start of your ZapInstantThis event starts a Zap instantly. - Update Client
Triggers when a client is updated.
Try ItTriggerThis is the start of your ZapInstantThis event starts a Zap instantly. - Update Payment
Triggers when a payment is updated.
Try ItTriggerThis is the start of your ZapInstantThis event starts a Zap instantly. - NameRequired
- Group
- First Name
- Last Name
- EmailRequired
- Phone
- Language Code
- Currency Code
- Id Number
- VAT Number
- Phone
- Street Address
- Apt/Suite
- City
- State/Province
- Postal Code
- Country Code
- Shipping Street Address
- Shipping Apt/Suite
- Shipping City
- Shipping State/Province
- Shipping Postal Code
- Shipping Country Code
- Private Notes
- Public Notes
- Website
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Invoice IDRequired
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- ClientRequired
- Design
- Send Email
- Email Template
- Auto-Bill Credit
- Download PDF
- Mark Sent
- Paid
- Amount Paid
- Number
- Discount
- PO Number
- Date
- Due Date
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Field 1
- Custom Field 2
- Custom Field 3
- Custom Field 4
- Custom Surcharge 1
- Custom Surcharge 2
- Custom Surcharge 3
- Custom Surcharge 4
- Is Amount Discount
- Partial/Deposit
- Partial Due Date
- Cost
- Quantity
- Product
- Discount
- Description
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
- Product Cost
- Public Notes
- Private Notes
- Terms
- footer
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Product
- Description
- Price
- Quantity
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- ClientRequired
- Design
- Send Email
- Email Template
- Download PDF
- Mark Sent
- Number
- Discount
- PO Number
- Date
- Due Date
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Field 1
- Custom Field 2
- Custom Field 3
- Custom Field 4
- Custom Surcharge 1
- Custom Surcharge 2
- Custom Surcharge 3
- Custom Surcharge 4
- Is Amount Discount
- Partial/Deposit
- Partial Due Date
- Cost
- Quantity
- Product
- Discount
- Description
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
- Product Cost
- Public Notes
- Private Notes
- Terms
- footer
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- ClientRequired
- Project
- Description
- Rate
- Start Date/Time
- End Date/Time
- Duration (Hours)
- Duration (Minutes)
- Duration (Seconds)
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
ActionThis is an event a Zap performs.WriteCreate a new record or update an existing record in your app.- Search FieldRequired
- Search ValueRequired
- Download PDF
ActionThis is an event a Zap performs.SearchFind existing data in your app- Search FieldRequired
- Search ValueRequired
ActionThis is an event a Zap performs.SearchFind existing data in your app- Search FieldRequired
- Search ValueRequired
- Download PDF
ActionThis is an event a Zap performs.SearchFind existing data in your app- Search FieldRequired
- Search ValueRequired
- Download PDF
- ClientRequired
- Design
- Send Email
- Email Template
- Auto-Bill Credit
- Mark Sent
- Paid
- Amount Paid
- Number
- Discount
- PO Number
- Date
- Due Date
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Field 1
- Custom Field 2
- Custom Field 3
- Custom Field 4
- Custom Surcharge 1
- Custom Surcharge 2
- Custom Surcharge 3
- Custom Surcharge 4
- Is Amount Discount
- Partial/Deposit
- Partial Due Date
- Cost
- Quantity
- Product
- Discount
- Description
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
- Product Cost
- Public Notes
- Private Notes
- Terms
- footer
ActionThis is an event a Zap performs.Search or writeFind existing data in your app, or create a new record if no data is found- Search FieldRequired
- Search ValueRequired
- Product
- Description
- Price
- Quantity
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
ActionThis is an event a Zap performs.Search or writeFind existing data in your app, or create a new record if no data is found- Search FieldRequired
- Search ValueRequired
- Download PDF
- ClientRequired
- Design
- Send Email
- Email Template
- Mark Sent
- Number
- Discount
- PO Number
- Date
- Due Date
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Field 1
- Custom Field 2
- Custom Field 3
- Custom Field 4
- Custom Surcharge 1
- Custom Surcharge 2
- Custom Surcharge 3
- Custom Surcharge 4
- Is Amount Discount
- Partial/Deposit
- Partial Due Date
- Cost
- Quantity
- Product
- Discount
- Description
- Tax Rate 1
- Tax Name 1
- Tax Rate 2
- Tax Name 2
- Tax Rate 3
- Tax Name 3
- Custom Value 1
- Custom Value 2
- Custom Value 3
- Custom Value 4
- Product Cost
- Public Notes
- Private Notes
- Terms
- footer
ActionThis is an event a Zap performs.Search or writeFind existing data in your app, or create a new record if no data is found