We label

transactions for


card issuers



embedded finance

vertical SaaS


Ntropy API turns raw transactions into rich data with enhanced merchant information and custom labels. Effortlessly.
Transaction mapTransaction detailsTransaction ratings
Vendor logo
Rewards integration
Vendor location
Transaction categories
Ratings integration

Smarter transactions mean happier customers

Our technology enables flexible and autonomous banking data labeling and enhancement

Enriched transaction data

Transaction labels

Custom labels adapted for your business

Personalization and offers

Elevate your personalization, rewards and offers game

Chart showing spending over time

Understand income and expenses

Use cases

Consumer Banking

Build cards, rewards, offers and more. Say goodbye to unrecognized transactions. Forever.

Learn more

SMB Banking

Understand costs and revenues, automatically tag merchants and repeat spend, build financing and back-office products.

Learn more

Vertical SaaS

Increase customer LTV by using our rich transaction information to upsell financial products.

Learn more

Developer first

Get started in minutes with an API key

  • Enriched merchant information
  • Bespoke labels tailored to your use case
Try now
import requests, uuid


tx = {
  "transaction": {
       "transaction_id": str(uuid.uuid4()),
       "amount": 41.86,
       "date": "2019-12-01",
       "description": "TARGET T- 5800 20th St 11/30/19 17:32",
       "entry_type": "debit",
       "iso_currency_code": "USD",
       "possible_labels": ["Bank Fees", "Community", "Food and Drink", "Healthcare", "Interest", "Payment", "Recreation", "Service", "Shops", "Tax", "Transfer", "Travel"]
  "user": {
        "user_id": str(uuid.uuid4())
resp = requests.post(
  "https://api.ntropy.network/classifier/consumer", json=tx, headers={"X-API-KEY": API_KEY}

Security is our priority

We are using the latest advances in privacy-preserving machine learning and data encryption to ensure your data is handled safely and securely.

SOC2 Type 2

We are SOC2 Type 1 and 2 certified. The SOC2 reports cover controls around security, availability, and confidentiality of customer data and are approved by the American Institute of Certified Public Accountants (AICPA) and Service Organization Controls (SOC).


The General Data Protection Regulation (GDPR) is a comprehensive European Union privacy regulation that gives EU citizens and other individuals in the EU authority over their own personal data. The California Consumer Privacy Act (CCPA) is a state statute intended to enhance privacy rights and consumer protection for residents of California. Ntropy is GDPR and CCPA compliant

Privacy Shield framework

The EU-U.S. and Swiss-U.S. Privacy Shield Frameworks were designed by the U.S. Department of Commerce and the European Commission and Swiss Administration to provide companies on both sides of the Atlantic with a mechanism to comply with data protection requirements when transferring personal data from the European Union and Switzerland to the United States in support of transatlantic commerce. Ntropy actively participates in and abides by the Privacy Shield Framework.

Ready to get started?

Ntropy can turn your raw transactions into rich data with enhanced merchant information and custom labels.

Request API