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Fundbox

Best for Lines of Credit

Draw $20K today, pay it back, draw $50K next month -- a true revolving line up to $150K where you only pay for what you actually use, underwritten from your QuickBooks data

4.3 (3,800+ reviews)
Michael Chen Written by Michael Chen, CFA, CFP
Rachel Kim Reviewed by Rachel Kim, JD, CRCM
Updated: March 7, 2026

At a Glance

Founded
2013
Headquarters
San Francisco, CA
Max Credit Line
$150,000
Min Revenue
$100K/year
Speed
Next business day
Credit Score
600+

Rating Breakdown

About Fundbox

Fundbox operates as a revolving line of credit rather than a one-time advance, which makes it structurally different from most MCA products. You are approved for a credit limit up to $150,000 and can draw against it as needed, repay, and draw again — similar to a business credit card but with significantly lower rates and higher limits. The critical distinction is that you only pay fees on the amount you actually draw, not on your entire approved limit. A business approved for $150K that only draws $30K pays fees only on the $30K. Fundbox's underwriting engine integrates directly with your accounting software — QuickBooks, Xero, FreshBooks, and others — and analyzes your actual cash flow patterns, invoice aging, customer payment behavior, and revenue trends rather than relying solely on bank statement balances or credit scores. This means businesses with irregular income but strong receivables (consultants, agencies, seasonal retailers) can qualify where traditional underwriting based on monthly average deposits would decline them. The 600 FICO minimum is a hard floor, but Fundbox has confirmed that most approved applicants have scores in the 650-720 range. Fundbox was acquired by NYDIG, a Bitcoin infrastructure company, in 2022. The practical impact on lending operations has been minimal — same team, same underwriting, same products — but it is worth noting that your fintech lender is now a subsidiary of a cryptocurrency company. The $150K maximum credit limit and $100K annual revenue minimum position Fundbox firmly in the small-business tier. If you need more than $150K, you are looking at OnDeck, Credibly, or traditional lenders.

Key Features

True Revolving Credit Line

Unlike MCAs where you take a lump sum and repay it, Fundbox gives you a reusable credit line. Draw $20K today, repay $10K next month, and your available credit increases by $10K. This makes it far more flexible for businesses with recurring but unpredictable capital needs — you are not forced to borrow the full amount if you only need half.

Accounting Software Integration

Fundbox connects directly to QuickBooks, Xero, FreshBooks, and 10+ other platforms to read your actual financial data in real time. This is not just for underwriting — it also enables features like automatic draw recommendations based on upcoming expenses and invoice payment patterns. Businesses that keep clean books get better credit decisions.

12-Week vs 24-Week Repayment Choice

Every draw offers two repayment schedules. A $50K draw at 0.5%/week over 12 weeks costs $3,000 in fees with payments of ~$4,417/week. The same draw over 24 weeks costs $6,000 in fees but payments drop to ~$2,333/week. This is a pure cash-flow-versus-total-cost tradeoff — there is no "right" answer, only what your business can sustain weekly.

No Prepayment Penalties

You can repay any draw early without penalty, and you only pay the weekly fee for the weeks you actually carry the balance. Unlike fixed-fee MCAs where early repayment does not save you a cent, Fundbox early repayment actually reduces your total cost. This is one of the most borrower-friendly terms in the alternative lending space.

How It Works

1

Connect Your Accounts

Link your business bank account and accounting software (QuickBooks, Xero, or FreshBooks). Fundbox reads 6-12 months of transaction data to build your risk profile. The more complete your accounting records, the better your chances of approval and the higher your credit limit.

2

AI-Powered Underwriting

Fundbox's machine learning model evaluates your cash flow patterns, invoice aging, customer concentration risk, and revenue trends — not just your average bank balance. Decisions are typically delivered within 3-6 hours of application, though some accounts require manual review that can extend to 24 hours.

3

Receive Your Credit Limit

You are approved for a specific credit limit up to $150K. This is your revolving ceiling — you can draw and repay against it repeatedly. Initial credit limits are often conservative ($20K-$50K) and increase after 2-3 successful draw-and-repay cycles.

4

Draw Funds as Needed

Request a draw of any amount up to your available credit. Funds are deposited to your linked bank account on the next business day. You can have multiple outstanding draws simultaneously, each with its own repayment schedule.

5

Repay in Fixed Weekly Payments

Each draw is repaid in equal weekly installments over 12 or 24 weeks — you choose at draw time. Payments are automatically debited via ACH every week. You can make additional payments to reduce your balance faster and free up available credit.

What They Do

  • Revolving Business Line of Credit
  • Invoice Financing
  • Working Capital
  • Cash Flow Management

Debt Types They Take On

  • Revolving Credit Line
  • Short-Term Business Draws
  • Invoice-Backed Financing

Fee & Cost Structure

Weekly Fee
0.4-0.7% per week on drawn amount
12-Week APR
Approximately 20-36% effective APR
24-Week APR
Approximately 20-36% effective APR (higher total cost)
Additional Costs
No origination, maintenance, or prepayment fees

Regulatory & Trust

BBB Rating
A+
CFPB Complaints
~120
Accreditations
Subsidiary of NYDIG (acquired 2022) Innovative Lending Platform Association member State lending licenses in all operating states
States Served
All 50 states except North Dakota and South Dakota

Review Summary

4.1
Trustpilot
4.4
Google
3,800+
Total Reviews

Notable Case Studies

Marketing Agency Bridging Client Payment Gaps

Digital marketing agency with $400K annual revenue had consistent 45-60 day payment terms from clients but needed to cover $25K/month in contractor costs upfront. Traditional MCA would require re-applying every time; bank credit line was denied due to only 18 months in business.

Approved for $75K revolving line at 0.5%/week. Drew $25K monthly, repaid as client invoices cleared. Total annual cost of ~$6,500 in fees — significantly cheaper than factoring the invoices at 3-5% per invoice, which would have cost $12-20K annually.

Seasonal Retailer Managing Inventory Cycles

Outdoor equipment retailer doing $280K/year needed $40K for spring inventory but only $10K for winter stock. Traditional MCA forced borrowing the full amount year-round.

Fundbox line of $60K allowed drawing $40K in March (spring stock), repaying by June, then drawing only $10K in September (winter stock). Total annual borrowing cost was $4,200 versus $8,400+ for a year-round MCA at 1.15 factor rate.

Pros & Cons

Pros

  • True revolving credit line — only pay for what you draw, when you draw it
  • Accounting software integration produces smarter underwriting than bank-statement-only analysis
  • No prepayment penalties — early repayment actually reduces your total cost
  • Credit limit increases over time with successful repayment history
  • Multiple simultaneous draws allowed, each with independent repayment schedules

Cons

  • $150K maximum is lower than most MCA providers — not suitable for larger capital needs
  • Weekly repayment only (no daily or monthly options), which may not align with your cash flow cycle
  • 600 FICO minimum is higher than many MCA providers that accept 500-550
  • Owned by NYDIG (cryptocurrency company) since 2022 — long-term strategic direction uncertain

User Reviews

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Frequently Asked Questions

How does Fundbox's accounting software integration actually affect my credit decision compared to just submitting bank statements?
Can I choose 12-week repayment for one draw and 24-week for another draw on the same credit line?
What happens to my Fundbox credit line if my business has a bad month and I cannot make a weekly payment?
Does Fundbox report to business credit bureaus, and will using the credit line help or hurt my business credit score?
Since Fundbox was acquired by NYDIG in 2022, has anything changed about the lending terms, credit limits, or underwriting criteria?

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Important MCA & Business Financing Disclaimers

  • A merchant cash advance is not a loan. It is a purchase of future receivables at a discount. Factor rates, not APRs, are used to express the cost of capital. Effective APRs on merchant cash advances can range from 40% to over 350% depending on the term and factor rate.
  • Repayment is typically collected daily or weekly via automatic ACH debits or a percentage of credit card sales. This means your repayment amount fluctuates with revenue but withdrawals occur every business day, which can strain cash flow during slow periods.
  • Most MCA agreements require a personal guarantee from the business owner. In the event of default, the MCA provider may pursue the owner's personal assets, including bank accounts and property.
  • MCA providers commonly file UCC-1 liens against your business assets. This lien may prevent you from obtaining additional financing until the advance is fully repaid and the lien is released.
  • Merchant cash advances are not regulated by federal lending laws such as the Truth in Lending Act (TILA). State regulations vary widely, and some states have limited consumer protections for MCA products.
  • Stacking multiple merchant cash advances (taking a second advance before the first is repaid) significantly increases the risk of default and can lead to aggressive collection actions including confessions of judgment in some jurisdictions.
  • Zogby does not provide merchant cash advances or business financing. We are an independent comparison service. We do not fund advances, process applications, or guarantee approval on your behalf.

This page is informational, not financial or legal advice. Talk to a qualified professional before making any big money decisions.

Editorial Independence

We make money from some companies on this page. That doesn't change our rankings -- the editorial team scores every product independently, and the business side has no say in what we recommend.

Last Updated
March 7, 2026
Fact-Checked
March 5, 2026