Citi

API

APIs for accessing Citigroup account and statement data

Overview

The Citi API offers RESTful endpoints to retrieve Citigroup account details, transaction histories, and statement data. Key endpoints include account balance checks, categorized transaction listings, and statement downloads (JSON/PDF). Responses are JSON-formatted for seamless integration. Use cases include personal finance apps aggregating user accounts, accounting tools syncing transactions for automated bookkeeping, and financial platforms generating custom reports. It uses OAuth2 for secure authentication, adhering to regulations like GDPR and PCI DSS to protect sensitive user data.

Example Integration (JavaScript)

script.js JS


fetch('https://sandbox.developerhub.citi.com/api-catalog-list')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful architecture
JSON response format
OAuth2 authentication
Account balance access
Transaction history retrieval
Statement download (JSON/PDF)
Sandbox testing environment

Frequently Asked Questions

? Is Citi API free to use?

It offers a freemium model—sandbox access is free for testing, while production access may require paid tiers based on usage volume.

? Does it require an API Key?

Yes, production access requires an API key and OAuth2 authentication to secure user data.

? What is the response format?

Most responses are in JSON, with select endpoints (like statements) offering PDF downloads as an option.

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Tool Info

Pricing Freemium

Category Finance

Platform Public API

Pros

⊕ Secure OAuth2 authentication
⊕ Compliant with financial regulations
⊕ Detailed transaction categorization
⊕ Sandbox for development testing
⊕ Supports multiple Citigroup account types

Cons

⊖ Requires developer registration and API key
⊖ Rate limits on API calls
⊖ Sandbox has limited data scope
⊖ Production access may have paid tiers
⊖ Restricted to Citigroup account holders