Dev tools · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. A simple API for validating bank routing numbers launched in 2015; newer entries below may have overtaken it.

1. 1
   Teller API▲308

   A single API to connect your app with any bank's account

   2017 · teller.io · its alternatives →

2. 2
   Plaid▲157

   A REST API for your bank

   2014 · plaid.com · its alternatives →

3. 3BA
   BankMatch – Automate matching bank transactions to customer payments▲6

   2017 · bankmatch.com.au · its alternatives →

4. 4
   ChainSnip▲64

   Accountant's Proof of the Wallet's Balance

   22d ago · chainsnip.com · its alternatives →

5. 5AF
   API first banking infrastructure▲5

   2017 · bvnk.co · its alternatives →

6. 6PG
   Payment Gateway Calculator▲8

   2019 · founderhacker.com · its alternatives →

7. 7VI
   Verifying integrity of a website using the Blockchain and JavaScript▲6

   2017 · sealed.website · its alternatives →

8. 8
   The Simplest ML API▲7

   2021 · doc.clickup.com · its alternatives →

9. 9MJ
   Machinomy, JavaScript library for micropayments in Ether over HTTP▲9

   2017 · machinomy.com · its alternatives →

10. 10
    IBAN API-Validate IBAN and get Bank Data▲8

    Freemium IBAN API-The Accurate IBAN Validation and Bank data

    2021 · ibanapi.com · its alternatives →

11. 11AA
    An API for Customer Feedback▲7

    2014 · supportive.io · its alternatives →

12. 12
    An intuitive API client for SEC filings▲9

    2019 · github.com · its alternatives →

13. 13AS
    a simple, clean BTC and LTC price report web app▲8

    2014 · coinreport.io · its alternatives →

14. 14
    API that validates tax ID numbers for over 100 countries▲9

    Tax ID Pro helps you validate tax ID numbers for over 100 different countries with an API that is easy to integrate into your application.

    2022 · taxid.pro · its alternatives →

15. 15CC
    Credit card payments API for blockchain▲5

    2017 · connextapi.com · its alternatives →

16. 16CC
    CreditDaemon.com - Credit Score API▲9

    2018 · creditdaemon.com · its alternatives →

17. 17BA
    Baseconv: a (very) tiny number conversion utility▲5

    2016 · baseconv.ddns.net · its alternatives →

18. 18
    Run Your Bitcoin Numbers▲7

    2020 · mybtcstats.com · its alternatives →

19. 19FI
    Free India Mutual Funds API▲9

    2018 · mfapi.in · its alternatives →

20. 20AS
    A SQL-based stock screener▲7

    2017 · finutils.com · its alternatives →

21. 21
    Tin Validate, a tax ID validator that explains why checks pass or fail▲5

    After a year and a half of hard work, we recently released TIN Validate (tin-validate.com), a Tax Identification Number (TIN) validator available through both a web portal and a REST API. Over the past few years, we have seen a significant increase in regulations aimed at strengthening tax compliance and the automatic exchange of tax information. In Europe for example, the DAC7 directive now requires collaborative platforms such as Airbnb and Booking.com to report users' income along with tax information. Financial institutions are also already required to perform international tax reporting…

    Jun 2026 · tin-validate.com · its alternatives →

22. 22
    banking01▲2

    Intelligent Banking with Automation

    2018 · its alternatives →

23. 23
    The PitchBook API and Datafeed▲5

    A flexible API for the private financial marketplace

    2016 · pitchbook.com · its alternatives →

24. 24RA
    Recognizee API – Build Outbrain for eCommerce▲5

    2014 · recognizee.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →