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Products that do what Financial Derivatives Pricing as an API does

Financial Derivatives Pricing as an API

  1. 1QI
  2. 2
    Quandl151

    Universal API for financial data from 500+ sources

    2015

  3. 3KM

    Manipulating monetary amounts is a common computing chore. However, no mainstream language has a first-class data type for representing money, it’s up to programmers to code abstractions for it. This isn’t an issue per se until dealing with rounding issues from operations like installment payments (e.g., buy now, pay later), foreign exchange, or even simple things like fee processing and tax collection. Inspired by my days at N26 Brasil dealing with these challenges, I introduce Money: a Kotlin library that makes monetary calculations and allocations easy.

    2024 · blog.eriksen.com.br

  4. 4

    Price and discount optimization for subscription services

    2021

  5. 5
    Quanty104

    AI powered market analysis platform with GraphQL API

    2024

  6. 6HL
  7. 7
    Finage104

    Real-time API platform for stock, forex, and crypto data

    2025

  8. 8FF

    2020 · exchangerate.host

  9. 9AY

    2017 · terminal.quantra.io

  10. 10BD
  11. 11AA

    Hey everyone! I'm Rob and I want to share what I've built - a solid ledger behind simple API: https://decimals.app The ledger is a key piece of any financial system and is easy to get the design wrong, resulting in troubles for making sure money movements are adding up. I took a lot of inspiration from good designs from Square, Uber, and others for the scalability and security aspects. And on the usability side, I applied many concepts from the Ledger CLI, making it very easy to use. I'm really happy I get to show this to you all, thank you for reading about it! Please let me know…

    2020

  12. 12LW

    Some technical context on what we ran into building this. MCP tools don't really work for financial data at scale. One tool call for five years of daily prices dumps tens of thousands of tokens into the context window. And data vendors pack dozens of tools into a single MCP server, schemas alone can eat 50k+ tokens before the agent does anything useful. So we auto-generate typed Python modules from the MCP schemas at workspace init and upload them into the sandbox. The agent just imports them like a normal library. Only a one-line summary per server stays in the prompt. We have around 80…

    Apr 2026 · github.com

  13. 13AO
  14. 14IJ

    Backstory: I wanted to play with intraday stock data but couldn't find a free dataset anywhere. IEXCloud [1] offers API access to 1-minute granularity intraday historical price data, but I was worried that it could get expensive or unwieldy to build up a substantial dataset via API calls. Plus, IEX gives out their raw data for free. I probably should have just used the IEXTools python library [2] to parse IEX's raw data dumps, but I was working on a Julia project, so it felt more thematically appropriate to build a new tool from scratch. I haven't been actively using InvestorsExchange.jl a…

    2022 · github.com

  15. 15

    Real-time data aggregation and asset transfer for fintech

    2022

  16. 16
    Flanks84

    API that aggregates all financial data on a single platform.

    2020

  17. 17

    We make prediction markets a professional trusted instrument

    2021

  18. 18
    Flagright117

    Risk-based transaction monitoring API for fintech startups

    2022

  19. 19

    Full stack transactional fintech APIs.

    2017

  20. 20

    AI equity research that proves it isn't lying

    Apr 2026 · vouchapi.com

  21. 21MO
  22. 22PO

    2017 · pricingengine.io

  23. 23

    A free finance API with 25+ sources

    Jun 2026 · bluedoor.sh

  24. 24CA

    Hi there HN, just wanted to share a little project I've been working on for some time: a coinmarketcap.com Python (API) wrapper. As coinmarketcap does not provide any API endpoints, the code is pretty dirty and should be considered as a scraper more than a real API wrapper. Example usage: >>> import coinmarketcap >>> coinmarketcap.market_cap('bitcoin') $ 7,644,402,276 Everything is well documented in the README but if you have questions, don't ask. Hope you enjoy it, issues and PR on Github are more than welcome. (https://github.com/c0ding/coinmarketcap-api)

    2015

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