Software Alternatives, Accelerators & Startups

Mercury API VS Teller API

Compare Mercury API VS Teller API and see what are their differences

Mercury API logo Mercury API

API for your business bank account

Teller API logo Teller API

A single API to connect your app with any bank's account
  • Mercury API Landing page
    Landing page //
    2023-07-07
  • Teller API Landing page
    Landing page //
    2023-10-22

Mercury API features and specs

  • Comprehensive Documentation
    Mercury's API provides extensive and well-structured documentation, making it easier for developers to understand how to implement and utilize the API effectively.
  • Robust Features
    The API offers a wide array of features that enable integration with Mercury's banking services, such as account management, transaction handling, and digital banking functionalities.
  • Ease of Integration
    Designed with developers in mind, the API ensures smooth and straightforward integration with different applications, thanks to its RESTful design and clear guidelines.
  • Security
    Mercury's API prioritizes security by implementing industry-standard authentication and data protection measures, offering peace of mind when handling sensitive financial data.

Possible disadvantages of Mercury API

  • Restricted to U.S. Businesses
    The API is primarily designed for U.S.-based businesses, which might limit its utility for international companies or developers based outside the United States.
  • Limited Customization
    While the API offers various functionalities, there may be limitations in customization options that might not fit very specific or niche use cases developers might have.
  • Potential Availability of Support
    Although not confirmed, like many other fintech APIs, there could be potential constraints regarding the availability of real-time support for complex integration issues.
  • Scaling Concerns
    For larger businesses with extensive or rapidly growing needs, there might be concerns regarding the API's ability to scale efficiently with increasing levels of demand.

Teller API features and specs

  • Real-Time Data Access
    Teller API provides real-time access to financial data, allowing businesses to retrieve up-to-date information on user accounts, transactions, and balances.
  • Comprehensive Coverage
    The API supports a wide range of financial institutions, providing comprehensive data coverage across different banks and financial services.
  • Ease of Integration
    Teller offers a well-documented API with developer-friendly tools and resources, which simplifies the integration process for developers.
  • Security
    Teller prioritizes security with features such as encrypted connections and secure data handling practices, which help protect sensitive financial information.
  • User-Centric Permissions
    Allows users to have control over what data is shared and with whom, ensuring that user consent is prioritized in data transactions.

Possible disadvantages of Teller API

  • Limited Geographic Coverage
    The API is predominantly focused on the US market, which might limit its utility for businesses operating in other regions.
  • Dependency on Financial Institutions
    The functionality of Teller API can be limited by the level of integration and cooperation with individual banks, which can affect data accuracy and availability.
  • Costs
    Depending on the scale of usage, the costs associated with using Teller API can be significant, particularly for small businesses or startups on tight budgets.
  • Implementation Complexity
    Although integration is designed to be straightforward, implementing the API effectively may require a certain level of technical expertise, which could be a barrier for some businesses.
  • Data Privacy Concerns
    Handling sensitive financial data always raises privacy concerns, and any breaches or misuse could have significant repercussions for both users and businesses.

Category Popularity

0-100% (relative to Mercury API and Teller API)
Online Payments
28 28%
72% 72
Recurring Billing
26 26%
74% 74
eCommerce Tools
43 43%
57% 57
Fintech
34 34%
66% 66

User comments

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Social recommendations and mentions

Based on our record, Teller API seems to be a lot more popular than Mercury API. While we know about 12 links to Teller API, we've tracked only 1 mention of Mercury API. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Mercury API mentions (1)

  • Looking for an all-in API solution and cannot find it
    Seems to me you are looking for payment routing. This is something you can program into API's of banks directly : Https://mercury.com/api Https://developer.bankofamerica.com/CPODevPortal/apidocs/public/#/home. Source: over 2 years ago

Teller API mentions (12)

  • Show HN: Wealthfolio: A Private, Open-Source Investment Tracker
    I have found https://teller.io to be really good for this. They are more affordable than Plaid too at the lower end of scale. - Source: Hacker News / 8 months ago
  • Do I have to consider Flutter App as any other web app like React or HTML? To consider the code can be viewed by users?
    However! A determined user can still do something like load the app on a phone in an Android or iOS simulator, then watch all outgoing API calls and basically reverse-engineer how things work. This is how Teller wrote their system -- they loaded up bank apps onto a simulator and basically reverse-engineered the API for the various banks. Source: over 2 years ago
  • Anyone aware of an SDK/service to connect to bank accounts and credit card transactions?
    I haven’t used it and I couldn’t find their pricing, but there is also Teller. https://teller.io. Source: almost 3 years ago
  • Update 1.5 for YNAB alternative OpenBudgeteer now available
    Have you considered integration with a free api to import transactions? Source: about 3 years ago
  • Launch HN: Realize (YC W22) – Integrate brokerage accounts into your site or app
    Congrats on the launch! I'm the CEO and co-founder of https://teller.io that uses private mobile banking APIs to provide access to bank accounts too, and you're right it's the way to go. We don't think regulation or OAuth based APIs will ever yield an improvement on this approach (explained why here - https://blog.teller.io/2021/06/21/our-mission.html) You're going to quickly find out that these API endpoints are... - Source: Hacker News / about 3 years ago
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What are some alternatives?

When comparing Mercury API and Teller API, you can also consider the following products

ACH payments with Stripe - Accept bank payments with a few lines of code.

Wisefin API - Turn messy bank transaction names into beautiful data

Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.

TrueLayer - Simple Bank APIs to access real-time financial data

Belvo - Easiest way to connect bank accounts to an app in Latam

Open Banking API Tracker - Tracking +130 open banking and PSD2 APIs