Intuit Developer Blog
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Understanding Builder Tier API limits for you and your customers
Builder Tier apps are limited to 500K CorePlus API calls per month. Learn what happens when you exceed the limit and how to prevent service disruptions for your customers.
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Your growth engine: How Intuit is driving demand to apps.com and beyond
Harness Intuit’s App Marketplace momentum. Upgrade to Silver to unlock developer support, co-marketing assets, referral traffic through Apps.com, and more.
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Dashboard-ready insights with new referral management tools
Newly launched referral management tools for developers on the Intuit App Marketplace are designed to uncover insights and drive growth.
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Upcoming changes to APIs and tools that may impact your application
As our platform evolves, we continuously make changes to enhance the developer experience. This article details changes to our Webhooks and Accounting APIs launching from November 2025 to January 2026.
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Custom Fields API: Extending QuickBooks Online with flexible metadata
Learn how the Custom Fields API helps developers extend QuickBooks Online with flexible metadata to capture project codes, customer details, and more.
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Automating tax calculations with the Sales Tax API
Explore how the Sales Tax API automates accurate tax calculations in QuickBooks Online, reducing errors and ensuring compliance across locations.
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Powerful time & payroll tracking with the Time API + Payroll Compensation
Managing and compensating employee time is a critical part of payroll workflows. Intuit’s new Time API with Payroll Compensation, introduced as one of the Premium APIs, empowers developers to extend QuickBooks Online Payroll’s robust time-tracking capabilities into their own apps.
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Unlocking project tracking with the Projects API
Learn how the Projects API brings seamless project tracking to QuickBooks Online, helping developers manage income, expenses, and profitability through unified data.
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Takeaways from Developer Day 2025
QuickBooks app Fishbowl attended Developer Day 2025, and its Chief Evangelist reveals key takeaways and how he (and his customers) will benefit from the event.