Bank Statement Converter API: Parse, OCR and Extract Bank Statements to JSON

Add bank statement parsing to your own product. The BankXLSX API turns PDF and scanned statements into clean, structured JSON, CSV, or Excel over three simple REST calls, with OCR and 90+ US bank layouts built in. Available on the Pro plan, no enterprise contract.

REST API with token auth
90+ US bank and card layouts
OCR for scans and photos

Last updated June 2026

PDF, JPG, PNG, BMP, HEIC, TIFF

Upload your bank statement

Extract:
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What is the bank statement converter API?

The BankXLSX bank statement API turns PDF and scanned statements into structured data over a simple REST workflow. You POST the file to /api/documents/upload, call /api/documents/extract to parse it, then GET the results as clean JSON with the account details and every transaction row. Each call is authenticated with a bearer token from your dashboard, the parser reads more than 90 US bank and card layouts and uses OCR on scans and photos, and the same engine that powers our Excel and CSV exports returns data your app can store or post straight into your ledger.

Why Parsing Bank Statements in Code Is Hard

Reading a transaction out of a bank statement looks easy until you try to do it across thousands of accounts. Statements are built to be printed, not parsed, and every institution does it differently. Here is what teams run into when they try to build this in-house.

Every Bank Formats Statements Differently

Chase, Wells Fargo, and a regional credit union lay out dates, descriptions, and balances in their own way, so a parser tuned to one breaks on the next.

Scans and Photos Have No Text Layer

A customer uploads a phone photo or a scanned PDF and there is nothing to read. You need OCR, and tuning OCR for financial tables is a project on its own.

Tables Break Across Pages

Multi-page statements repeat headers and split transactions at page boundaries, so naive text extraction scatters rows and drops the running balance.

Templates Are a Moving Target

Banks redesign statements without warning. A regex pipeline that worked last quarter quietly starts returning bad data, and you find out from a support ticket.

Accuracy Is Expensive to Reach

Getting from a rough 90 percent to the accuracy a lender or accountant will trust takes months of edge-case work most teams cannot spare.

It Is Not Your Core Product

You are building a lending app or an accounting tool, not a document parser. Every week spent on statement extraction is a week not spent on your roadmap.

How the BankXLSX API Parses Statements for You

Send a file, get structured transactions back. The API wraps the same extraction engine our web app uses, so you ship statement parsing in an afternoon instead of building it.

Simple REST Endpoints

Three JSON-over-HTTP calls take you from a raw file to parsed transactions. No SDK lock-in, just upload, extract, and fetch results.

Structured JSON Output

Get account number, statement date, balances, and one object per transaction with date, description, and amount, ready to store or post.

OCR for Scans and Photos

The API reads digital PDFs, scanned statements, and JPG, PNG, HEIC, or TIFF photos, so your users can upload whatever they have.

90+ US Bank and Card Layouts

Layouts tuned to how Chase, Bank of America, Wells Fargo, Citi, and dozens of other US banks and card issuers print their statements.

Token Authentication

Create a personal API token in your dashboard and send it as a bearer header. Rotate or revoke it whenever you need to.

JSON, CSV, or Excel

The same conversion that returns JSON also produces clean CSV and XLSX, so you can hand users a download or feed your own pipeline.

Parse a Bank Statement in Three API Calls

From a raw file to structured JSON without leaving your backend.

1

Create a Token

Log in, open the API section of your dashboard, and create an API token. Send it as an Authorization: Bearer header on every request.

Tip: API access is on the Pro plan.

2

Upload the File

POST the statement PDF or image to /api/documents/upload as multipart form data and get back a file_id.

Tip: Digital PDFs, scans, and photos all work.

3

Extract and Retrieve

POST the file_id to /api/documents/extract, then GET /api/documents/extraction/{hash} to pull the parsed transactions as JSON.

Tip: A typical statement finishes in under a minute.

Who Builds on the Bank Statement API

When statement data is an input to your product rather than the product itself, the API lets you skip building a parser and get straight to the part that matters.

Lending and Underwriting Platforms

Pull deposits, balances, and NSF counts from borrower statements so your underwriters score cash flow without manual data entry.

Accounting and Bookkeeping Software

Let users import statements from banks your feed does not cover, including closed accounts and older periods, by converting the PDF.

PFM and Budgeting Apps

Turn uploaded statements into categorized transactions so users see their spending even when an aggregator connection fails.

Fintech and Proptech Startups

Verify income and rent payments from statements during onboarding without standing up your own OCR stack.

Common Search Terms

bank statement parser api bank statement converter api bank statement extraction api bank statement ocr api bank statement api

Transaction Types We Handle

Deposits and credits
Debit card purchases
ACH transfers
Checks paid
Wire transfers
Bank and card fees
Interest earned
Recurring payments

The three calls that parse a statement

The workflow is deliberately small. You upload a file, start an extraction, then poll for the result. Every request carries your bearer token. Here is the full round trip with curl.

1. Upload the statement

curl -X POST https://bankxlsx.com/api/documents/upload \
  -H "Authorization: Bearer YOUR_API_TOKEN" \
  -F "[email protected]"

The response returns a file_id you use in the next call.

2. Start the extraction

curl -X POST https://bankxlsx.com/api/documents/extract \
  -H "Authorization: Bearer YOUR_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"file_id": 1234}'

This returns an extraction_hash. Pass it to the results endpoint to fetch the parsed data.

3. Get the parsed transactions

curl https://bankxlsx.com/api/documents/extraction/abc123-def456 \
  -H "Authorization: Bearer YOUR_API_TOKEN"

Endpoint reference

MethodEndpointWhat it does
POST/api/documents/uploadUpload a statement file and receive a file_id.
POST/api/documents/extractStart parsing an uploaded file and receive an extraction_hash.
GET/api/documents/extraction/{hash}Fetch the parsed fields and transaction table as JSON.
GET/api/documents/typesList the document templates available to your account.

The complete request and response shapes, including every field, live in the API documentation.

What the API returns

The results endpoint returns the account-level fields and a transaction table. A trimmed response looks like this:

{
  "success": true,
  "data": {
    "fields": [
      { "content": "Account Number", "value": "1234567890" },
      { "content": "Statement Date", "value": "2026-05-15" },
      { "content": "Balance", "value": "$12,450.00" }
    ]
  }
}

Each transaction comes back with its date, description, and amount, which maps cleanly onto a ledger row in your database. Because the same engine drives the spreadsheet exports, you can also retrieve the conversion as a CSV or Excel file when you would rather hand a user a download than store the data yourself. If you only need a flat file for an import job, the JSON export and CSV converter cover those without writing any integration code.

How the BankXLSX API compares to enterprise document-AI platforms

Plenty of OCR APIs can read a bank statement. The difference is who they are built for. Enterprise document-AI platforms aim at large contracts, broad document types, and procurement cycles. BankXLSX is focused on US bank and card statements and on getting a small team integrated the same day.

BankXLSX APIEnterprise OCR platforms
Time to first callCreate a token and start the same dayOften a sales call and onboarding first
FocusUS bank and card statementsMany document types, broad scope
OutputJSON, plus CSV and ExcelUsually JSON
PricingIncluded with the Pro plan, self-serveCustom or per-page enterprise pricing
Best forStartups and product teams adding statement parsingLarge enterprises with mixed document workloads

When to use the API versus the web app

If you or your team convert statements by hand a few times a week, the web converter is the faster path: drag a file in and download the result. Reach for the API when parsing needs to happen inside your product, on your users behalf, or at a volume no one wants to click through. Lenders building this into underwriting can start from the bank statement converter for lenders page, and teams that want hands-off processing of incoming files should look at automated bank statement processing and batch conversion.

Build on more than bank statements

Most products that parse statements end up parsing other paperwork too. The same kind of API turns invoices into structured data for accounts payable, reads contracts, tax forms, and IDs with document OCR, and if statements or receipts arrive by email, you can parse incoming emails into JSON before they ever hit your queue. Each one returns the same clean, machine-readable output you get here.

Why Developers Choose the BankXLSX API

90+
US bank and card layouts
3 calls
from upload to parsed JSON
Under 1 min
to parse a typical statement

Security & Privacy

  • Bearer-token authentication on every request
  • 256-bit encryption in transit
  • Delete uploaded files at any time
  • Available on the Pro plan, no enterprise contract required

Bank Statement API: Common Questions

Yes. BankXLSX offers a REST API that converts PDF and scanned bank statements into structured JSON, CSV, or Excel. You upload a file, start an extraction, and fetch the parsed transactions over three authenticated calls, so you can build statement parsing into your own app instead of maintaining a parser.

A bank statement parser API is a programmatic service that takes a statement file and returns the account details and transactions as structured data. Instead of a person reading the PDF, your code posts the file to an endpoint and gets back machine-readable rows it can store, categorize, or post to a ledger automatically.

The API returns clean JSON: account-level fields such as account number, statement date, and balance, plus one object per transaction with date, description, and amount. The same conversion also produces CSV and Excel, so you can store the JSON or hand a user a download from the same parse.

Yes. The API uses OCR to read scanned PDFs and phone photos in JPG, PNG, HEIC, or TIFF, not just digital PDFs. That matters in production because users upload whatever they have, and a parser that only reads clean digital files fails on a large share of real-world statements.

Create a personal API token in the API section of your BankXLSX dashboard, then send it on every request in an Authorization header as a bearer token. You can rotate or revoke a token at any time, and each request is encrypted in transit.

The API is tuned to more than 90 US bank and card layouts, including Chase, Bank of America, Wells Fargo, Citi, Capital One, US Bank, and PNC, along with major credit card issuers and fintech accounts. Because it also runs OCR, it handles statements from smaller banks and credit unions that do not have a dedicated template.

API access is included with the BankXLSX Pro plan, so there is no separate enterprise contract or per-page negotiation to start. You can see the current Pro pricing on the pricing page and create an API token as soon as you upgrade.

Yes. Converting a statement to JSON is the API's default output. You post the PDF, the parser reads the transaction table, and the results endpoint returns the account fields and every transaction as JSON your application can consume directly.

Every request is authenticated with a bearer token and encrypted with 256-bit encryption in transit, and you can delete uploaded files at any time. Before integrating any statement API, confirm it authenticates each call, encrypts uploads, and gives you control over how long files are retained.

Related Resources

Other Bank Statement Converters

ICICI Bank JPMorgan Chase Bank of America Citigroup Wells Fargo Goldman Sachs Morgan Stanley U.S. Bancorp PNC Financial Services Truist Financial Capital One TD Bank Charles Schwab Bank of New York Mellon State Street BMO USA Ally Financial Regions Financial Fifth Third Bank Huntington Bancshares KeyBank Citizens Financial Group First Citizens BancShares Synchrony Financial M&T Bank First Horizon Cathay Bank USAA Navy Federal Comerica Zions Bancorporation East West Bancorp First National of Nebraska Cullen Frost Bankers BOK Financial Fulton Financial Associated Banc-Corp Valley National Bancorp Wintrust Financial First Midwest Bancorp Commerce Bancshares UMB Financial Pinnacle Financial Partners Webster Financial Cadence Bank Old National Bancorp First Interstate BancSystem Umpqua Holdings First Hawaiian Bank Prosperity Bancshares SouthState Corporation First Merchants First Bank Holding Glacier Bancorp First Financial Bancorp Independent Bank Columbia Banking System Western Alliance Bancorporation Pacific Premier Bancorp Bank OZK United Community Banks Customers Bancorp Texas Capital Bancshares SVB Financial Group Signature Bank First Republic Bank New York Community Bancorp Sterling Bancorp First Bank Bank United First Commonwealth Financial ServisFirst Bancshares Renasant Corporation Simmons First National Trustmark Corporation First Busey Community Bank System First Mid Bancshares Ameris Bancorp Hancock Whitney First BanCorp Third Coast Bancshares Home Bancshares Byline Bancorp Simmons Bank United Bankshares Peoples United Financial American Express HSBC Bank USA