Bill.comAPIintegration&MCPserver

Deliver real-time Accounting faster, close sales deals sooner, and scale without an integration backlog.

Add Bill.com to your app See feature support

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Add Bill.com and 15 other pre-built Accounting integrations

Real-time data to fuel countless Accounting use cases

Power AI copilots, insights, predictive analysis, and automation with a modern integration infrastructure that scales alongside you.

accounting

Analyze Financials

Pull financial data to support insights and ROI calculations.

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accounting

Automate Invoicing

Sync accounting software with payment gateways for automated invoicing.

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accounting

Track Expenses

Aggregate and monitor business expenses in real-time for predictive budgeting.

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Unified MCP

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ACCOUNTING Invoice

ACCOUNTING Contact

ACCOUNTING Account

HRIS Group

HRIS Employee

COMMERCE Item

COMMERCE Location

HRIS Location

Payment

ACCOUNTING Organization

STORAGE File

ACCOUNTING Bill

ACCOUNTING Creditmemo

Passthrough

ACCOUNTING Invoice

ACCOUNTING Contact

ACCOUNTING Account

HRIS Group

HRIS Employee

COMMERCE Item

COMMERCE Location

HRIS Location

Payment

ACCOUNTING Organization

STORAGE File

ACCOUNTING Bill

ACCOUNTING Creditmemo

Passthrough

Your customer's data

on Bill.com

Unified API data-models and methods

ACCOUNTING Invoice

list get

ACCOUNTING Contact

list get create update remove

ACCOUNTING Account

list get

HRIS Group

list get create update remove

HRIS Employee

list get

COMMERCE Item

list get create update remove

COMMERCE Location

list get create update remove

HRIS Location

list get create update remove

Payment

list get

ACCOUNTING Organization

list get

STORAGE File

list get

ACCOUNTING Bill

list get

ACCOUNTING Creditmemo

list get

Passthrough

get post put patch delete

41 Unified MCP tools

list all employees5 parameters

retrieve an employee2 parameters

create a location12 parameters

list all locations5 parameters

retrieve a location2 parameters

update a location13 parameters

remove a location2 parameters

create a group9 parameters

list all groups5 parameters

retrieve a group2 parameters

update a group10 parameters

remove a group2 parameters

list all accounts5 parameters

retrieve an account2 parameters

create a contact17 parameters

list all contacts6 parameters

retrieve a contact2 parameters

update a contact18 parameters

remove a contact2 parameters

list all invoices6 parameters

retrieve an invoice2 parameters

list all bills5 parameters

retrieve a bill2 parameters

list all creditmemoes5 parameters

retrieve a creditmemo2 parameters

retrieve an organization2 parameters

list all organizations 1 parameter

list all files5 parameters

retrieve a file2 parameters

create an item17 parameters

list all items5 parameters

retrieve an item2 parameters

update an item18 parameters

remove an item2 parameters

create a location8 parameters

list all locations5 parameters

retrieve a location2 parameters

update a location9 parameters

remove a location2 parameters

list all payments5 parameters

retrieve a payment2 parameters

The modern Unified API platform, built differently

Real-time, pass-through

Every request hits the source API live. No caching, no sync jobs, no stale data — just on-demand API reads/writes with native and virtual webhooks for instant updates.

Zero-storage by design

We never store end-customer data. Traffic is stateless and regionalized (US/EU/AU), reducing compliance scope and eliminating data-at-rest risk.

One API, deeply normalized

360+ integrations, 21 categories... Unified objects, endpoints, scopes, and errors—plus raw payload passthrough when you need provider-specific fields.

Custom fields & objects

Go beyond shallow schemas. We support custom fields and read/write on custom objects (e.g., Salesforce) via unified metadata APIs.

AI-ready integrations

Built for AI products: real-time streams for RAG/embeddings and Unified MCP tools that securely grant LLMs controlled integration access.

Predictable pricing, no lock-in

Transparent usage-based pricing that scales with API volume—not customers. Own your credentials and migrate anytime.

Add a Bill.com integration to your application in hours

1Test drive integrations

Effortlessly test API calls, explore endpoints, and try out the Bill.com integration using synthetic data in our Sandbox environment.

2Authorize connections

Drop in our Authorization component with a single line of code. Your users can then connect and grant access to their Bill.com data.

3Start making API calls

Use the Connection ID to interact with Bill.com via our unified API. We handle maintenance and updates so you can focus on your product.

Seamless Auth, no extra work

Unified.to removes the complexity of authentication and authorization so you can focus on building your product, not managing auth flows. Our pre-built UI and flexible API handle everything in the background—no extra setup required.

See documentation

React

React component React component source code

Trusted by global product companies and developers to power integrations for innovative AI and SaaS applications

5 stars on G2

Integrate with all the major accounting applications

Unified.to makes it possible to integrate once to a unified API to connect with all the applications your customers use, so you can train AI models, build advanced automation, and expand your market.

Start testing for free