How we make this list: we compare pricing pages, product documentation and public user reviews. Rankite is independent; if a vendor ever pays for a featured spot, that listing is clearly labeled Partner.
Key takeaways
- SMBs and developers wanting transparent pricing: Nanonets ($100/month for 100 credits, free $50-credit start) and DocuClipper ($29/month Starter) publish real prices.
- High-volume AP teams: Rossum and ABBYY Vantage bring AI extraction with ERP integration, at enterprise prices and sales-led buying.
- Real-time mobile and API capture: Veryfi suits expense and fintech builders needing instant receipt and invoice data.
- Full AP workflow beyond capture: Stampli (invoice collaboration) and BILL (approvals plus payments) cover the process end to end.
Quick comparison
| Tool | Best for | Starting price | Free plan |
|---|
 Rossum | Mid-market to enterprise AP teams processing high invoice volumes | See website | Yes (free tier under 300 documents/month reported) |
 ABBYY Vantage | Enterprises and regulated industries needing intelligent document processing | See website | No |
 Docsumo | Startups, SMBs and developers needing document AI via API | See website | Yes (free plan up to 50 invoices/month reported) |
 Veryfi | Companies needing real-time invoice and receipt capture via API or mobile | See website | Yes (free tier up to 100 documents/month reported) |
 Nanonets | SMBs and mid-market AP teams plus developers wanting transparent pricing | $100/month for 100 credits (after a free $50-credit start) | Yes (free start with $50 in credits) |
 Stampli | Mid-market finance teams wanting AP automation centered on collaboration | See website | No |
 BILL | SMB and mid-market finance teams wanting capture plus approvals and payments | See website | Unverified (sources conflict on trial availability) |
 DocuClipper | Bookkeepers, accountants and small businesses converting statements and invoices | $29/month (Starter, 60 pages; per the vendor's own blog) | Free trial (14 days, no credit card) |
 Affinda | Developers and product teams needing invoice extraction as an API | See website | Yes (free version reported) |
Is your product missing or out of date?
We review this list regularly. Vendors can request a listing, send updated pricing or ask about featured placement.
The best invoice capture software
It is month-end. Three hundred invoices sit in an inbox, half as PDF attachments, half as phone photos of paper, and accounts payable is keying them into the accounting system by hand. Invoice capture software ends that: AI reads the invoice, extracts the fields, validates against purchase orders, and routes for approval. The nine tools below range from developer APIs to full AP suites.
#1
Rossum
Best for: Mid-market to enterprise AP teams processing high invoice volumes
Visit rossum.ai
Starting priceSee website
Free planYes (free tier under 300 documents/month reported)
Rossum is the AI-purist pick. Instead of template OCR, its document understanding engine reads varied invoice layouts, with human-in-the-loop validation for exceptions and ERP connectors for the downstream flow. Third-party sources citing the vendor's pricing page report Starter around $18,000/year with unlimited seats, unverified.
The honest catch is the enterprise entry price and the Coupa acquisition, which could reshape packaging and support. Setup is a guided implementation. Confirm current packaging post-acquisition in writing before budgeting. If your AP team processes thousands of invoices monthly with layout variety, the AI accuracy is the argument. If you process dozens, it is far more than you need.
What we like- AI-first document understanding purpose-built for invoices, not generic OCR
- Human-in-the-loop validation with ERP integration
- Free tier for low volumes plus a trial
Watch out for- Enterprise price point puts it out of reach for small businesses
- Acquired by Coupa in 2026, so packaging may change
#2
ABBYY Vantage
Best for: Enterprises and regulated industries needing intelligent document processing
Visit abbyy.com
Starting priceSee website
Free planNo
ABBYY Vantage is the compliance pick. Decades of OCR heritage plus a low-code skill designer let teams build invoice extraction without heavy development, wrapped in enterprise security for banking, insurance and government.
The catch is the buying process. No pricing is published, no free version or trial is reported, and evaluation is demo-led with implementation services. Only organizations with significant document volumes and compliance needs should shortlist it; smaller teams will find it slow to evaluate and expensive. This is infrastructure, not an app.
What we like- Long-established platform with strong OCR heritage
- Low-code skill designer for building invoice extraction
- Enterprise security and compliance posture
Watch out for- No public pricing and no free trial reported
- Fully sales-led, enterprise-weight buying process
#3
Docsumo
Best for: Startups, SMBs and developers needing document AI via API
Visit docsumo.com
Starting priceSee website
Free planYes (free plan up to 50 invoices/month reported)
Docsumo is the developer-friendly middle ground. Pre-trained models, a clean API and a free plan up to 50 invoices per month make it easy to start; third-party sources report Business around $0.10 per invoice, unverified.
The honest catch is linear cost. Per-invoice pricing is simple but can exceed flat-rate competitors at high volumes, so compare against your monthly volume before committing. Validate extraction accuracy on your own invoice layouts during the 14-day trial. If you need extraction inside your own product or workflow, the API experience is the strength.
What we like- API-first with pre-trained models for invoices, bank statements and common documents
- Free plan genuinely usable for small volumes
- Per-invoice pricing is easy to understand
Watch out for- Per-invoice pricing scales linearly, so high volumes need careful modeling
- Figures are third-party reports, not vendor-confirmed
#4
Veryfi
Best for: Companies needing real-time invoice and receipt capture via API or mobile
Visit veryfi.com
Starting priceSee website
Free planYes (free tier up to 100 documents/month reported)
Veryfi targets builders: expense apps, AP automation products and fintechs that need invoice and receipt data in real time. The mobile SDK and API return structured data instantly, and the free tier (100 documents per month reported) allows genuine testing.
The catch is the floor. Third-party sources report Starter at a $500/month minimum on a 12-month pay-as-you-go commitment, which makes it a serious purchase despite the free tier. Confirm the current minimum and commitment terms directly before signing. If real-time capture is the requirement, the speed justifies the price. If batch processing suffices, cheaper tools exist.
What we like- Real-time capture speed via API and mobile SDK
- Strong receipt handling alongside invoices
- Generous free tier for testing
Watch out for- The reported $500/month minimum with a 12-month commitment prices out small users
- Figures are third-party, not vendor-confirmed
#5
Nanonets
Best for: SMBs and mid-market AP teams plus developers wanting transparent pricing
Visit nanonets.com
Starting price$100/month for 100 credits (after a free $50-credit start)
Free planYes (free start with $50 in credits)
Nanonets is the transparency pick. The vendor's own pricing page lists a free $50-credit start, then $100/month for 100 credits, with blocks priced by complexity (simple, standard AI, complex AI) and a typical invoice consuming 4 to 6 blocks. The workflow builder automates the steps around extraction.
The honest catch is that per-invoice cost varies with document complexity, so test with your own documents before budgeting. Larger volumes need a sales conversation for Growth and Enterprise tiers. For an AP team that wants to evaluate pricing without a sales call, this is the fastest yes on the list.
What we like- Genuinely public pricing on the vendor's own page, rare in this category
- No-code workflow builder plus API suits operations teams and developers
- Transparent block-based pricing
Watch out for- Real per-invoice cost depends on document complexity and must be modeled
- Growth and Enterprise tiers are quote-based
#6
Stampli
Best for: Mid-market finance teams wanting AP automation centered on collaboration
Visit stampli.com
Starting priceSee website
Free planNo
Stampli's insight is that invoice processing is a collaboration problem, not an OCR problem. The interface centers on the invoice with approval workflows and communication that accountants actually adopt, backed by NetSuite, Sage and QuickBooks integrations.
The catch is opaque, sales-led pricing with no trial to validate fit. Third-party estimates range from $250 to $1,500 per month, which is too wide to budget against. Request a scoped quote early, confirm the unlimited-users claim, and ask for a pilot given the lack of trial. If your AP bottleneck is approvals rather than data entry, the collaboration UX is the reason to look.
What we like- AP automation built around the invoice itself, with collaboration accountants adopt quickly
- Unlimited users and a dedicated customer success manager reported
- Strong ERP integrations
Watch out for- No public pricing and no free trial reported
- Third-party estimates are unverified and wide-ranging
#7
BILL
Best for: SMB and mid-market finance teams wanting capture plus approvals and payments
Visit bill.com
Starting priceSee website
Free planUnverified (sources conflict on trial availability)
BILL (formerly Bill.com) is the platform play. Invoice capture is the entry point; approvals, ACH payments and spend management complete the AP workflow in one system with deep accounting sync. Third-party sources report Essentials around $49, Team $65 and Corporate $89 per user per month, unverified.
The honest catch is the layered cost: per-user subscription plus per-payment fees (ACH around $0.59 reported). Confirm current tiers, trial availability and total cost including payment volume before committing. If you want capture plus the full payables workflow in one vendor, BILL is the established choice. If you only need extraction, the APIs above are cheaper.
What we like- Full AP/AR platform, not just capture: approvals, payments and spend management
- Deep accounting integrations (QuickBooks, Xero, NetSuite, Sage)
- Spend and Expense reported at $0
Watch out for- Layered cost with per-user subscription plus per-payment fees
- Pricing figures are third-party reports
#8
DocuClipper
Best for: Bookkeepers, accountants and small businesses converting statements and invoices
Visit docuclipper.com
Starting price$29/month (Starter, 60 pages; per the vendor's own blog)
Free planFree trial (14 days, no credit card)
DocuClipper serves the bookkeeping workflow directly: PDF bank statements, invoices and receipts converted to Excel, CSV or QBO for accounting. The vendor's blog lists Starter at $29/month (60 pages) up to Business at $159 (640 pages) and Enterprise from around $399, with a 14-day no-card trial.
The catch is the page quota. Long bank statements eat pages quickly, so real monthly cost depends on your document mix; trial with actual statements to size the right tier. G2 lists entry at $39, so reconcile the current page before buying. For an accountant drowning in PDF statements at month-end, the export formats are the whole pitch.
What we like- Transparent page-based tiers on the vendor's own blog
- Purpose-built for bank statements, invoices and receipts with accounting-format exports
- No-card trial
Watch out for- Page quotas mean heavy multi-page statements consume allowance fast
- Entry figures conflict slightly between the vendor blog and G2
#9
Affinda
Best for: Developers and product teams needing invoice extraction as an API
Visit affinda.com
Starting priceSee website
Free planYes (free version reported)
Affinda is the API specialist. The Invoice Extractor recognizes 50-plus fields with accuracy as the selling point, delivered as an API for developers embedding extraction in their own products. Third-party listings report annual bundles from $300/year for 1,200 extractions.
The honest catch is scope: it extracts data but does not manage approvals or payments. Test extraction quality on your invoice variety during the trial and confirm overage terms before choosing a bundle. If you are building AP features into your own software, this is the component buy. If you need the workflow too, look at the platforms above.
What we like- Invoice Extractor recognizes 50-plus fields out of the box
- API-first with free version and trial
- Annual extraction bundles reported from $300/year
Watch out for- It is an extraction API, so approvals and payments must be built or bought separately
- Figures are third-party listings
How we chose
We started with the categories buyers search: invoice capture software, automated invoice processing software and AP automation tools. For each candidate we checked product claims against public reviews on G2 and Capterra and practitioner discussion on Reddit, and compared extraction accuracy approaches, pricing transparency, ERP integrations and company-size fit. Pricing pages were checked where available; where a price could not be verified on the vendor's own page we wrote "See website" rather than guessing.
Frequently asked questions
What is the difference between OCR and AI invoice capture?
Traditional OCR reads characters off the page using templates; it breaks when layouts change. AI capture (Rossum, Nanonets, Docsumo) understands document structure and extracts fields from unseen layouts. For standardized invoices from a few vendors, OCR suffices. For varied layouts at volume, AI pays for itself in reduced exception handling.
How accurate is automated invoice extraction?
Vendor claims run high, but real accuracy depends on your invoice variety: clean PDFs from major vendors extract near-perfectly, while phone photos of crumpled paper do not. Every serious tool includes human-in-the-loop validation for exceptions. Trial with your own worst invoices, not the vendor's samples, before judging.
How much does invoice capture software cost?
From $29/month (DocuClipper) to $100/month per 100 credits (Nanonets) for SMB tools, to per-invoice API pricing (around $0.10 reported), to enterprise platforms at $18,000+/year reported. Model your monthly document volume first; per-document pricing punishes high volumes while flat-rate enterprise pricing punishes low ones.
Do we need AP automation or just capture?
If the pain is data entry, capture plus your existing approval process suffices. If the pain is approvals, duplicate payments, or month-end close chaos, you need the workflow layer (Stampli, BILL, Rossum). Capture is a feature; AP automation is a system. Buy the system when the process is broken, not just the typing.
How does invoice capture integrate with our accounting software?
All serious tools integrate with QuickBooks, Xero, NetSuite or Sage at minimum. The depth varies: some push extracted data for review, others post directly with approval chains. Confirm your exact accounting product and version, and whether the integration is native or via a connector, before buying.
Per-invoice vs. flat-rate: do the volume math
This category has two pricing religions. Per-invoice or per-credit (Docsumo, Nanonets, Veryfi, Affinda, DocuClipper's per-page) scales linearly with volume: cheap at 100 invoices a month, punishing at 10,000. Flat-rate or tiered (Rossum's Starter, BILL's per-user) costs the same whether you process 500 or 5,000. The crossover point is usually a few thousand documents monthly. Below it, usage pricing wins and you avoid enterprise contracts. Above it, flat-rate wins and the per-unit tools become the most expensive option. Count your monthly volume, multiply, and let the arithmetic choose.
What to look for before you buy
First, gather your ugliest invoices: the phone photos, the dot-matrix prints, the three-page statements. Trial every shortlisted tool on those, not on clean PDFs. Second, map the approval workflow before the demo; extraction without routing just moves the bottleneck. Third, confirm the ERP and accounting integration for your exact product and version. Fourth, ask about exception handling: what happens when the AI is unsure, and how much human review does that create weekly? Fifth, check data retention and security: invoices contain bank details, so SOC 2 and retention policies matter. Sixth, model the volume math (see above) before falling in love with any pricing model.
Sources we checked (11)
- https://rossum.ai
- https://abbyy.com
- https://docsumo.com
- https://veryfi.com
- https://nanonets.com/pricing
- https://stampli.com
- https://bill.com
- https://docuclipper.com
- https://affinda.com/invoice-extractor/
- https://www.g2.com/categories/ap-automation
- https://www.capterra.com/accounts-payable-software/
Is your product missing or out of date?
We review this list regularly. Vendors can request a listing, send updated pricing or ask about featured placement.
Shihab Mia · Founder, Rankite
Shihab has spent more than a decade helping SaaS and e-commerce brands grow through search. He writes Rankite's software buying guides from pricing pages, documentation and public user reviews. More about Shihab.